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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Bow, reference master (a8c1a7), with Swift 6.1 for Linux on 25 Apr 2025 09:01:53 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:28: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                       `- note: 'F' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                            `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Arrow/CokleisliK.swift:58:34: warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 4 | /// that is polymorphic on A, where F and B are fixed.
 5 | /// Subclasses of `CokleisliK` need to implement `invoke`.
 6 | open class CokleisliK<F, B> {
   |                          `- note: 'B' previously declared here
 7 |     /// Initializer
 8 |     public init() {}
   :
56 |     }
57 |
58 |     private class Composed<F, T, B>: CokleisliK<F, B> {
   |                                  `- warning: generic parameter 'B' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
59 |         private let f: CokleisliK<F, T>
60 |         private let g: Function1<T, B>
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:111:24: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 | ///     - A MonadWriter from a ComonadTraced
 34 | ///     - A MonadState from a ComonadStore
 35 | public class CoT<W: Comonad, M, A>: CoTOf<W, M, A> {
    |                                 `- note: 'A' previously declared here
 36 |     internal let cow: (Kind<W, (A) -> Kind<M, Any>>) -> Kind<M, Any>
 37 |
    :
109 |     ///   - wa: Comonadic space to explore.
110 |     /// - Returns: A new Comonadic space resulting from the exploration.
111 |     static func select<A, B>(
    |                        `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
112 |         _ co: Co<W, (A) -> B>,
113 |         _ wa: Kind<W, A>) -> Kind<W, B> {
/host/spi-builder-workspace/Sources/Bow/Data/Co.swift:269:16: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
266 |     }
267 |
268 |     public static func listen<A>(_ fa: CoTOf<W, M, A>) -> CoTOf<W, M, (W.M, A)> {
    |                               `- note: 'A' previously declared here
269 |         func f<A>(_ x: W.M, _ g: @escaping ((W.M, A)) -> Kind<M, Any>) -> (A) -> Kind<M, Any> {
    |                `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
270 |             { a in
271 |                 g((x, a))
[262/411] Compiling BowRecursionSchemes Corecursive.swift
[263/411] Compiling BowRecursionSchemes Nu.swift
[264/411] Compiling BowOptics ValidatedOpticsInstances.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EitherT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherT: Arbitrary where F: ArbitraryK, A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherT<F, A, B>> {
 8 |         Gen.from(EitherTPartial.generate >>> EitherT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EnvT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EnvT: Arbitrary where E: Arbitrary, W: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EnvT<E, W, A>> {
 8 |         Gen.from(EnvTPartial.generate >>> EnvT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/OptionT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension OptionT: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<OptionT<F, A>> {
 8 |         Gen.from(OptionTPartial.generate >>> OptionT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StateT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StateT: Arbitrary where F: ArbitraryK & Applicative, S: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StateT<F, S, A>> {
 8 |         Gen.from(StateTPartial.generate >>> StateT.fix)
[265/411] Compiling BowOptics Iso.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EitherT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherT: Arbitrary where F: ArbitraryK, A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherT<F, A, B>> {
 8 |         Gen.from(EitherTPartial.generate >>> EitherT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EnvT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EnvT: Arbitrary where E: Arbitrary, W: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EnvT<E, W, A>> {
 8 |         Gen.from(EnvTPartial.generate >>> EnvT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/OptionT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension OptionT: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<OptionT<F, A>> {
 8 |         Gen.from(OptionTPartial.generate >>> OptionT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StateT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StateT: Arbitrary where F: ArbitraryK & Applicative, S: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StateT<F, S, A>> {
 8 |         Gen.from(StateTPartial.generate >>> StateT.fix)
[266/411] Compiling BowOptics Lens.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EitherT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherT: Arbitrary where F: ArbitraryK, A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherT<F, A, B>> {
 8 |         Gen.from(EitherTPartial.generate >>> EitherT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EnvT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EnvT: Arbitrary where E: Arbitrary, W: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EnvT<E, W, A>> {
 8 |         Gen.from(EnvTPartial.generate >>> EnvT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/OptionT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension OptionT: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<OptionT<F, A>> {
 8 |         Gen.from(OptionTPartial.generate >>> OptionT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StateT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StateT: Arbitrary where F: ArbitraryK & Applicative, S: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StateT<F, S, A>> {
 8 |         Gen.from(StateTPartial.generate >>> StateT.fix)
[267/411] Compiling BowOptics Prism.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EitherT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherT: Arbitrary where F: ArbitraryK, A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherT<F, A, B>> {
 8 |         Gen.from(EitherTPartial.generate >>> EitherT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EnvT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EnvT: Arbitrary where E: Arbitrary, W: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EnvT<E, W, A>> {
 8 |         Gen.from(EnvTPartial.generate >>> EnvT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/OptionT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension OptionT: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<OptionT<F, A>> {
 8 |         Gen.from(OptionTPartial.generate >>> OptionT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StateT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StateT: Arbitrary where F: ArbitraryK & Applicative, S: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StateT<F, S, A>> {
 8 |         Gen.from(StateTPartial.generate >>> StateT.fix)
[268/415] Compiling BowRecursionSchemes Recursive.swift
[269/415] Compiling BowRecursionSchemes Fix.swift
[270/415] Compiling BowRecursionSchemes Mu.swift
[271/415] Compiling BowRecursionSchemes Birecursive.swift
[272/415] Compiling BowRecursionSchemes Recursion.swift
[273/415] Emitting module BowRecursionSchemes
[274/416] Compiling BowGeneric Coproduct6.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Try+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Try: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Try<A>> {
 8 |         let failure = Gen.pure(Try<A>.failure(TryError.illegalState))
/host/spi-builder-workspace/Tests/BowGenerators/Data/Validated+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Validated: Arbitrary where E: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Validated<E, A>> {
 8 |         let invalid = E.arbitrary.map(Validated.invalid)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Yoneda+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Yoneda
 5 |
 6 | extension Yoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Yoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/Zipper+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Zipper: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Zipper<A>> {
 8 |         Gen.zip([A].arbitrary, A.arbitrary, [A].arbitrary)
[275/416] Compiling BowGeneric Coproduct7.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Try+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Try: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Try<A>> {
 8 |         let failure = Gen.pure(Try<A>.failure(TryError.illegalState))
/host/spi-builder-workspace/Tests/BowGenerators/Data/Validated+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Validated: Arbitrary where E: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Validated<E, A>> {
 8 |         let invalid = E.arbitrary.map(Validated.invalid)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Yoneda+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Yoneda
 5 |
 6 | extension Yoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Yoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/Zipper+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Zipper: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Zipper<A>> {
 8 |         Gen.zip([A].arbitrary, A.arbitrary, [A].arbitrary)
[276/416] Compiling BowGeneric Coproduct8.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Try+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Try: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Try<A>> {
 8 |         let failure = Gen.pure(Try<A>.failure(TryError.illegalState))
/host/spi-builder-workspace/Tests/BowGenerators/Data/Validated+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Validated: Arbitrary where E: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Validated<E, A>> {
 8 |         let invalid = E.arbitrary.map(Validated.invalid)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Yoneda+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Yoneda
 5 |
 6 | extension Yoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Yoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/Zipper+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Zipper: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Zipper<A>> {
 8 |         Gen.zip([A].arbitrary, A.arbitrary, [A].arbitrary)
[277/416] Compiling BowEffects EnvIO.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Try+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Try: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Try<A>> {
 8 |         let failure = Gen.pure(Try<A>.failure(TryError.illegalState))
/host/spi-builder-workspace/Tests/BowGenerators/Data/Validated+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Validated: Arbitrary where E: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Validated<E, A>> {
 8 |         let invalid = E.arbitrary.map(Validated.invalid)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Yoneda+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Yoneda
 5 |
 6 | extension Yoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Yoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/Zipper+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Zipper: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Zipper<A>> {
 8 |         Gen.zip([A].arbitrary, A.arbitrary, [A].arbitrary)
[279/416] Compiling BowEffects Effect.swift
[280/416] Compiling BowEffects EffectComprehensions.swift
[281/418] Compiling BowEffects Schedule.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
[282/418] Compiling BowEffects ConsoleIO.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
[283/418] Compiling BowEffects FileManager+Common.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
[284/418] Compiling BowEffects URLSession.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
[285/418] Compiling BowEffects Async.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
[288/418] Compiling BowEffects MonadDefer.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
[289/418] Compiling BowEffects UnsafeRun.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
[290/418] Compiling BowGenerators Exists+Gen.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
[291/418] Compiling BowEffects Bracket.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/PairK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension PairK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<PairK<F, G, A>> {
 8 |         Gen.from(PairKPartial.generate >>> PairK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Sum+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Sum: Arbitrary where F: ArbitraryK, G: ArbitraryK, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Sum<F, G, V>> {
 8 |         Gen.from(SumPartial.generate >>> Sum.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Trampoline+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Trampoline: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Trampoline<A>> {
 8 |         Gen.sized(arbitraryTrampoline)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Tree+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 |
 5 | // MARK: Generator for Property-based Testing
 6 | extension Tree: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Tree<A>> {
 8 |         Gen.sized { gen(size: UInt($0)) }
[292/418] Compiling BowEffects Concurrent.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/PairK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension PairK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<PairK<F, G, A>> {
 8 |         Gen.from(PairKPartial.generate >>> PairK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Sum+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Sum: Arbitrary where F: ArbitraryK, G: ArbitraryK, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Sum<F, G, V>> {
 8 |         Gen.from(SumPartial.generate >>> Sum.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Trampoline+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Trampoline: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Trampoline<A>> {
 8 |         Gen.sized(arbitraryTrampoline)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Tree+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 |
 5 | // MARK: Generator for Property-based Testing
 6 | extension Tree: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Tree<A>> {
 8 |         Gen.sized { gen(size: UInt($0)) }
[293/418] Compiling BowEffects ConcurrentEffect.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/PairK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension PairK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<PairK<F, G, A>> {
 8 |         Gen.from(PairKPartial.generate >>> PairK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Sum+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Sum: Arbitrary where F: ArbitraryK, G: ArbitraryK, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Sum<F, G, V>> {
 8 |         Gen.from(SumPartial.generate >>> Sum.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Trampoline+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Trampoline: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Trampoline<A>> {
 8 |         Gen.sized(arbitraryTrampoline)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Tree+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 |
 5 | // MARK: Generator for Property-based Testing
 6 | extension Tree: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Tree<A>> {
 8 |         Gen.sized { gen(size: UInt($0)) }
[294/418] Compiling BowEffects ConcurrentTraverse.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/PairK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension PairK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<PairK<F, G, A>> {
 8 |         Gen.from(PairKPartial.generate >>> PairK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Sum+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Sum: Arbitrary where F: ArbitraryK, G: ArbitraryK, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Sum<F, G, V>> {
 8 |         Gen.from(SumPartial.generate >>> Sum.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Trampoline+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Trampoline: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Trampoline<A>> {
 8 |         Gen.sized(arbitraryTrampoline)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Tree+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 |
 5 | // MARK: Generator for Property-based Testing
 6 | extension Tree: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Tree<A>> {
 8 |         Gen.sized { gen(size: UInt($0)) }
[295/418] Compiling BowFree Program.swift
[296/418] Compiling BowFree Free.swift
/host/spi-builder-workspace/Sources/BowFree/Free.swift:16:23: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 12 |
 13 | /// Free is a type that, given any Functor, is able to provide a Monad instance, that can be interpreted into a more restrictive one.
 14 | public final class Free<F: Functor, A>: FreeOf<F, A> {
    |                         `- note: 'F' previously declared here
 15 |     /// Internal representation of a Free value
 16 |     public enum _Free<F: Functor, A> {
    |                       `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 17 |         case pure(A)
 18 |         case free(Kind<F, Free<F, A>>)
/host/spi-builder-workspace/Sources/BowFree/Free.swift:16:35: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 12 |
 13 | /// Free is a type that, given any Functor, is able to provide a Monad instance, that can be interpreted into a more restrictive one.
 14 | public final class Free<F: Functor, A>: FreeOf<F, A> {
    |                                     `- note: 'A' previously declared here
 15 |     /// Internal representation of a Free value
 16 |     public enum _Free<F: Functor, A> {
    |                                   `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 17 |         case pure(A)
 18 |         case free(Kind<F, Free<F, A>>)
[297/418] Compiling BowFree FunctionK+Free.swift
[298/418] Compiling BowGeneric Coproduct10.swift
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
[299/418] Compiling BowGeneric Coproduct2.swift
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
[300/418] Compiling BowGeneric Coproduct3.swift
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
[301/418] Compiling BowGeneric Coproduct4.swift
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
[302/418] Compiling BowGeneric Coproduct5.swift
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
[303/418] Compiling BowGenerators Co+Gen.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
[304/418] Compiling BowOptics NonEmptyArrayOpticsInstances.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
[305/418] Compiling BowOptics OptionOpticsInstances.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
[306/418] Compiling BowOptics StringOpticsInstances.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
[307/418] Compiling BowOptics TryOpticsInstances.swift
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
[308/418] Emitting module BowGenerators
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function0+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function0: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function0' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function0<A>> {
 8 |         A.arbitrary.map { a in Function0 { a } }
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Function1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Function1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Function1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Function1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/Kleisli+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Kleisli: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Kleisli' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Kleisli<F, D, A>> {
 8 |         Gen.from(KleisliPartial.generate >>> Kleisli.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Arrow/LazyFunction1+Gen.swift:6:1: warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension LazyFunction1: Arbitrary where I: CoArbitrary & Hashable, O: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'LazyFunction1' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<LazyFunction1<I, O>> {
 8 |         ArrowOf<I, O>.arbitrary.map { arrow in
/host/spi-builder-workspace/Tests/BowGenerators/Data/ArrayK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension ArrayK: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'ArrayK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<ArrayK<A>> {
 8 |         Array.arbitrary.map(ArrayK.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Const+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Const: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Const' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Const<A, T>> {
 8 |         A.arbitrary.map(Const.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/CoyonedaGen.swift:6:1: warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Coyoneda
 5 |
 6 | extension Coyoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Coyoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Coyoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/DictionaryK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension DictionaryK: Arbitrary where A: Arbitrary, K: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'DictionaryK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<DictionaryK<K, A>> {
 8 |         Dictionary.arbitrary.map(DictionaryK.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Either+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Either: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Either' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Either<A, B>> {
 8 |         let left = A.arbitrary.map(Either<A, B>.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/EitherK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherK<F, G, A>> {
 8 |         Gen.from(EitherKPartial.generate >>> EitherK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Endo+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Endo: Arbitrary where A: CoArbitrary & Hashable & Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Endo' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Endo<A>> {
 8 |         ArrowOf<A, A>.arbitrary.map { arrow in Endo(arrow.getArrow) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Exists+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Exists
 5 |
 6 | extension Exists: Arbitrary where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'Exists' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Exists<F>> {
 8 |         Gen.one(of: [
/host/spi-builder-workspace/Tests/BowGenerators/Data/Id+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Id: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Id' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Id<A>> {
 8 |         A.arbitrary.map(Id.init)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Ior+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Ior: Arbitrary where A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Ior' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Ior<A, B>> {
 8 |         let left = A.arbitrary.map(Ior.left)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Moore+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Moore: Arbitrary where E: CoArbitrary & Hashable, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Moore' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Moore<E, V>> {
 8 |         Gen.from(MoorePartial.generate >>> Moore.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/NonEmptyArray+Gen.swift:6:1: warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension NonEmptyArray: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'NonEmptyArray' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<NonEmptyArray<A>> {
 8 |         Array.arbitrary
/host/spi-builder-workspace/Tests/BowGenerators/Data/Option+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Option: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Option' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Option<A>> {
 8 |         let none = Gen.pure(Option<A>.none())
/host/spi-builder-workspace/Tests/BowGenerators/Data/PairK+Gen.swift:6:1: warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension PairK: Arbitrary where F: ArbitraryK, G: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'PairK' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<PairK<F, G, A>> {
 8 |         Gen.from(PairKPartial.generate >>> PairK.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Sum+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Sum: Arbitrary where F: ArbitraryK, G: ArbitraryK, V: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Sum' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Sum<F, G, V>> {
 8 |         Gen.from(SumPartial.generate >>> Sum.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Trampoline+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Trampoline: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Trampoline' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Trampoline<A>> {
 8 |         Gen.sized(arbitraryTrampoline)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Tree+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 |
 5 | // MARK: Generator for Property-based Testing
 6 | extension Tree: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Tree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Tree<A>> {
 8 |         Gen.sized { gen(size: UInt($0)) }
/host/spi-builder-workspace/Tests/BowGenerators/Data/Try+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Try: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Try' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Try<A>> {
 8 |         let failure = Gen.pure(Try<A>.failure(TryError.illegalState))
/host/spi-builder-workspace/Tests/BowGenerators/Data/Validated+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Validated: Arbitrary where E: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Validated' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Validated<E, A>> {
 8 |         let invalid = E.arbitrary.map(Validated.invalid)
/host/spi-builder-workspace/Tests/BowGenerators/Data/Yoneda+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Instance of Arbitrary for Yoneda
 5 |
 6 | extension Yoneda: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Yoneda' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Yoneda<F, A>> {
 8 |         KindOf<F, A>.arbitrary.map { fa in
/host/spi-builder-workspace/Tests/BowGenerators/Data/Zipper+Gen.swift:6:1: warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension Zipper: Arbitrary where A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Zipper' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<Zipper<A>> {
 8 |         Gen.zip([A].arbitrary, A.arbitrary, [A].arbitrary)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EitherT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EitherT: Arbitrary where F: ArbitraryK, A: Arbitrary, B: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EitherT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EitherT<F, A, B>> {
 8 |         Gen.from(EitherTPartial.generate >>> EitherT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/EnvT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension EnvT: Arbitrary where E: Arbitrary, W: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'EnvT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<EnvT<E, W, A>> {
 8 |         Gen.from(EnvTPartial.generate >>> EnvT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/OptionT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension OptionT: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'OptionT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<OptionT<F, A>> {
 8 |         Gen.from(OptionTPartial.generate >>> OptionT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StateT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StateT: Arbitrary where F: ArbitraryK & Applicative, S: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StateT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StateT<F, S, A>> {
 8 |         Gen.from(StateTPartial.generate >>> StateT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StoreT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StoreT: Arbitrary where S: CoArbitrary & Hashable & Arbitrary, W: Functor & ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StoreT<S, W, A>> {
 8 |         Gen.from(StoreTPartial.generate >>> StoreT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/TracedT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension TracedT: Arbitrary where M: Arbitrary & Hashable & CoArbitrary, W: ArbitraryK & Functor, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<TracedT<M, W, A>> {
 8 |         Gen.from(TracedTPartial.generate >>> TracedT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/WriterT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Propery-based Testing
 5 |
 6 | extension WriterT: Arbitrary where F: ArbitraryK & Applicative, W: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<WriterT<F, W, A>> {
 8 |         Gen.from(WriterTPartial.generate >>> WriterT.fix)
[309/418] Emitting module BowFree
/host/spi-builder-workspace/Sources/BowFree/Free.swift:16:23: warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 12 |
 13 | /// Free is a type that, given any Functor, is able to provide a Monad instance, that can be interpreted into a more restrictive one.
 14 | public final class Free<F: Functor, A>: FreeOf<F, A> {
    |                         `- note: 'F' previously declared here
 15 |     /// Internal representation of a Free value
 16 |     public enum _Free<F: Functor, A> {
    |                       `- warning: generic parameter 'F' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 17 |         case pure(A)
 18 |         case free(Kind<F, Free<F, A>>)
/host/spi-builder-workspace/Sources/BowFree/Free.swift:16:35: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 12 |
 13 | /// Free is a type that, given any Functor, is able to provide a Monad instance, that can be interpreted into a more restrictive one.
 14 | public final class Free<F: Functor, A>: FreeOf<F, A> {
    |                                     `- note: 'A' previously declared here
 15 |     /// Internal representation of a Free value
 16 |     public enum _Free<F: Functor, A> {
    |                                   `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 17 |         case pure(A)
 18 |         case free(Kind<F, Free<F, A>>)
[310/418] Compiling BowFree Cofree.swift
[311/419] Compiling BowGenerators StoreT+Gen.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StoreT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StoreT: Arbitrary where S: CoArbitrary & Hashable & Arbitrary, W: Functor & ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StoreT<S, W, A>> {
 8 |         Gen.from(StoreTPartial.generate >>> StoreT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/TracedT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension TracedT: Arbitrary where M: Arbitrary & Hashable & CoArbitrary, W: ArbitraryK & Functor, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<TracedT<M, W, A>> {
 8 |         Gen.from(TracedTPartial.generate >>> TracedT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/WriterT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Propery-based Testing
 5 |
 6 | extension WriterT: Arbitrary where F: ArbitraryK & Applicative, W: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<WriterT<F, W, A>> {
 8 |         Gen.from(WriterTPartial.generate >>> WriterT.fix)
[312/419] Compiling BowGenerators TracedT+Gen.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StoreT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StoreT: Arbitrary where S: CoArbitrary & Hashable & Arbitrary, W: Functor & ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StoreT<S, W, A>> {
 8 |         Gen.from(StoreTPartial.generate >>> StoreT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/TracedT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension TracedT: Arbitrary where M: Arbitrary & Hashable & CoArbitrary, W: ArbitraryK & Functor, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<TracedT<M, W, A>> {
 8 |         Gen.from(TracedTPartial.generate >>> TracedT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/WriterT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Propery-based Testing
 5 |
 6 | extension WriterT: Arbitrary where F: ArbitraryK & Applicative, W: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<WriterT<F, W, A>> {
 8 |         Gen.from(WriterTPartial.generate >>> WriterT.fix)
[313/419] Compiling BowGenerators WriterT+Gen.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StoreT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StoreT: Arbitrary where S: CoArbitrary & Hashable & Arbitrary, W: Functor & ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StoreT<S, W, A>> {
 8 |         Gen.from(StoreTPartial.generate >>> StoreT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/TracedT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension TracedT: Arbitrary where M: Arbitrary & Hashable & CoArbitrary, W: ArbitraryK & Functor, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<TracedT<M, W, A>> {
 8 |         Gen.from(TracedTPartial.generate >>> TracedT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/WriterT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Propery-based Testing
 5 |
 6 | extension WriterT: Arbitrary where F: ArbitraryK & Applicative, W: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<WriterT<F, W, A>> {
 8 |         Gen.from(WriterTPartial.generate >>> WriterT.fix)
[314/419] Compiling BowGenerators ArbitraryK.swift
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/StoreT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension StoreT: Arbitrary where S: CoArbitrary & Hashable & Arbitrary, W: Functor & ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'StoreT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<StoreT<S, W, A>> {
 8 |         Gen.from(StoreTPartial.generate >>> StoreT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/TracedT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Property-based Testing
 5 |
 6 | extension TracedT: Arbitrary where M: Arbitrary & Hashable & CoArbitrary, W: ArbitraryK & Functor, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'TracedT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<TracedT<M, W, A>> {
 8 |         Gen.from(TracedTPartial.generate >>> TracedT.fix)
/host/spi-builder-workspace/Tests/BowGenerators/Transformers/WriterT+Gen.swift:6:1: warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
 4 | // MARK: Generator for Propery-based Testing
 5 |
 6 | extension WriterT: Arbitrary where F: ArbitraryK & Applicative, W: Arbitrary, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'WriterT' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'Bow' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 7 |     public static var arbitrary: Gen<WriterT<F, W, A>> {
 8 |         Gen.from(WriterTPartial.generate >>> WriterT.fix)
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:18:62: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
16 |     func dataTaskIO(with url: URL) -> DataIO {
17 |         IO.async { callback in
18 |             self.dataTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                              `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
19 |         }^
20 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:25:66: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
23 |     func dataTaskIO(with request: URLRequest) -> DataIO {
24 |         IO.async { callback in
25 |             self.dataTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
26 |         }^
27 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:34:66: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
32 |     func downloadTaskIO(with url: URL) -> DownloadIO {
33 |         IO.async { callback in
34 |             self.downloadTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
35 |         }^
36 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:41:70: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
39 |     func downloadTaskIO(with request: URLRequest) -> DownloadIO {
40 |         IO.async { callback in
41 |             self.downloadTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                      `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
42 |         }^
43 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:48:77: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
46 |     func downloadTaskIO(withResumeData data: Data) -> DownloadIO {
47 |         IO.async { callback in
48 |             self.downloadTask(withResumeData: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                             `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
49 |         }^
50 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:59:80: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
57 |         from data: Data) -> DataIO {
58 |         IO.async { callback in
59 |             self.uploadTask(with: request, from: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                                `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
60 |         }^
61 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:68:83: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
66 |         fromFile url: URL) -> DataIO {
67 |         IO.async { callback in
68 |             self.uploadTask(with: request, fromFile: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                                   `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
69 |         }^
70 |     }
/host/spi-builder-workspace/Sources/BowEffects/Typeclasses/Async.swift:149:30: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
147 |     /// - Parameter f: A function that provides a value or an error.
148 |     /// - Returns: A computation that defers the execution of the provided value.
149 |     static func delayOrRaise<A>(
    |                              `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
150 |         _ queue: DispatchQueue,
151 |         _ f: @escaping () -> Either<F.E, A>) -> Kind<F, A> {
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:18:62: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
16 |     func dataTaskIO(with url: URL) -> DataIO {
17 |         IO.async { callback in
18 |             self.dataTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                              `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
19 |         }^
20 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:25:66: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
23 |     func dataTaskIO(with request: URLRequest) -> DataIO {
24 |         IO.async { callback in
25 |             self.dataTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
26 |         }^
27 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:34:66: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
32 |     func downloadTaskIO(with url: URL) -> DownloadIO {
33 |         IO.async { callback in
34 |             self.downloadTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
35 |         }^
36 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:41:70: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
39 |     func downloadTaskIO(with request: URLRequest) -> DownloadIO {
40 |         IO.async { callback in
41 |             self.downloadTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                      `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
42 |         }^
43 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:48:77: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
46 |     func downloadTaskIO(withResumeData data: Data) -> DownloadIO {
47 |         IO.async { callback in
48 |             self.downloadTask(withResumeData: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                             `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
49 |         }^
50 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:59:80: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
57 |         from data: Data) -> DataIO {
58 |         IO.async { callback in
59 |             self.uploadTask(with: request, from: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                                `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
60 |         }^
61 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:68:83: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
66 |         fromFile url: URL) -> DataIO {
67 |         IO.async { callback in
68 |             self.uploadTask(with: request, fromFile: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                                   `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
69 |         }^
70 |     }
/host/spi-builder-workspace/Sources/BowEffects/Typeclasses/Async.swift:149:30: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
147 |     /// - Parameter f: A function that provides a value or an error.
148 |     /// - Returns: A computation that defers the execution of the provided value.
149 |     static func delayOrRaise<A>(
    |                              `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
150 |         _ queue: DispatchQueue,
151 |         _ f: @escaping () -> Either<F.E, A>) -> Kind<F, A> {
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:18:62: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
16 |     func dataTaskIO(with url: URL) -> DataIO {
17 |         IO.async { callback in
18 |             self.dataTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                              `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
19 |         }^
20 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:25:66: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
23 |     func dataTaskIO(with request: URLRequest) -> DataIO {
24 |         IO.async { callback in
25 |             self.dataTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
26 |         }^
27 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:34:66: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
32 |     func downloadTaskIO(with url: URL) -> DownloadIO {
33 |         IO.async { callback in
34 |             self.downloadTask(with: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                  `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
35 |         }^
36 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:41:70: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
39 |     func downloadTaskIO(with request: URLRequest) -> DownloadIO {
40 |         IO.async { callback in
41 |             self.downloadTask(with: request, completionHandler: self.onResponse(callback)).resume()
   |                                                                      `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
42 |         }^
43 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:48:77: warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
46 |     func downloadTaskIO(withResumeData data: Data) -> DownloadIO {
47 |         IO.async { callback in
48 |             self.downloadTask(withResumeData: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                             `- warning: converting non-sendable function value to '@Sendable (URL?, URLResponse?, (any Error)?) -> Void' may introduce data races
49 |         }^
50 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:59:80: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
57 |         from data: Data) -> DataIO {
58 |         IO.async { callback in
59 |             self.uploadTask(with: request, from: data, completionHandler: self.onResponse(callback)).resume()
   |                                                                                `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
60 |         }^
61 |     }
/host/spi-builder-workspace/Sources/BowEffects/Foundation/URLSession.swift:68:83: warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
66 |         fromFile url: URL) -> DataIO {
67 |         IO.async { callback in
68 |             self.uploadTask(with: request, fromFile: url, completionHandler: self.onResponse(callback)).resume()
   |                                                                                   `- warning: converting non-sendable function value to '@Sendable (Data?, URLResponse?, (any Error)?) -> Void' may introduce data races
69 |         }^
70 |     }
/host/spi-builder-workspace/Sources/BowEffects/Typeclasses/Async.swift:149:30: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
147 |     /// - Parameter f: A function that provides a value or an error.
148 |     /// - Returns: A computation that defers the execution of the provided value.
149 |     static func delayOrRaise<A>(
    |                              `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
150 |         _ queue: DispatchQueue,
151 |         _ f: @escaping () -> Either<F.E, A>) -> Kind<F, A> {
[327/421] Compiling BowGeneric Generic.swift
[328/421] Compiling BowGeneric HList.swift
[329/428] Emitting module BowEffects
/host/spi-builder-workspace/Sources/BowEffects/Typeclasses/Async.swift:149:30: warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
147 |     /// - Parameter f: A function that provides a value or an error.
148 |     /// - Returns: A computation that defers the execution of the provided value.
149 |     static func delayOrRaise<A>(
    |                              `- warning: generic parameter 'A' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
150 |         _ queue: DispatchQueue,
151 |         _ f: @escaping () -> Either<F.E, A>) -> Kind<F, A> {
[330/438] Compiling BowGeneric Product.swift
[331/443] Compiling BowGeneric Coproduct9.swift
[332/458] Compiling BowLaws EquatableKLaws.swift
[333/458] Compiling BowLaws EquatableLaws.swift
[334/458] Compiling BowLaws FoldableLaws.swift
[335/458] Compiling BowLaws FunctorFilterLaws.swift
[336/458] Compiling BowLaws FunctorLaws.swift
[337/458] Compiling BowLaws MonoidLaws.swift
[338/458] Compiling BowLaws MonoidalLaws.swift
[339/458] Compiling BowLaws PropertyOperatorOverload.swift
[340/469] Compiling BowOptics Tuple2.swift
[341/469] Compiling BowOptics Tuple3.swift
[342/469] Compiling BowOptics Tuple4.swift
[343/469] Compiling BowOptics Tuple5.swift
[344/469] Compiling BowOptics Tuple6.swift
[345/469] Compiling BowOptics Tuple7.swift
[346/469] Compiling BowOptics Tuple8.swift
[347/469] Emitting module BowLaws
[348/474] Compiling BowFreeGenerators Program+Gen.swift
/host/spi-builder-workspace/Tests/BowFreeGenerators/Program+Gen.swift:8:1: warning: extension declares a conformance of imported type 'ProgramPartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of `ArbitraryK` for `Free`
 7 |
 8 | extension ProgramPartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'ProgramPartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> ProgramOf<F, A> {
10 |         Program<F, A>.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Program+Gen.swift:14:1: warning: extension declares a conformance of imported type 'Program' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
12 | }
13 |
14 | extension Program: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Program' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
15 |     public static var arbitrary: Gen<Program<F, A>> {
16 |         Free<CoyonedaPartial<F>, A>.arbitrary.map(Program.init)
[349/474] Compiling BowFreeGenerators Cofree+Gen.swift
/host/spi-builder-workspace/Tests/BowFreeGenerators/Cofree+Gen.swift:8:1: warning: extension declares a conformance of imported type 'CofreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of ArbitraryK for Cofree
 7 |
 8 | extension CofreePartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'CofreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> CofreeOf<F, A> {
10 |         Cofree.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Cofree+Gen.swift:16:1: warning: extension declares a conformance of imported type 'Cofree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
14 | // MARK: Instance of Arbitrary for Cofree
15 |
16 | extension Cofree: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Cofree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
17 |     public static var arbitrary: Gen<Cofree<F, A>> {
18 |         Gen.zip(
[350/474] Emitting module BowFreeGenerators
/host/spi-builder-workspace/Tests/BowFreeGenerators/Cofree+Gen.swift:8:1: warning: extension declares a conformance of imported type 'CofreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of ArbitraryK for Cofree
 7 |
 8 | extension CofreePartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'CofreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> CofreeOf<F, A> {
10 |         Cofree.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Cofree+Gen.swift:16:1: warning: extension declares a conformance of imported type 'Cofree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
14 | // MARK: Instance of Arbitrary for Cofree
15 |
16 | extension Cofree: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Cofree' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
17 |     public static var arbitrary: Gen<Cofree<F, A>> {
18 |         Gen.zip(
/host/spi-builder-workspace/Tests/BowFreeGenerators/Free+Gen.swift:8:1: warning: extension declares a conformance of imported type 'FreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of `ArbitraryK` for `Free`
 7 |
 8 | extension FreePartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'FreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> FreeOf<F, A> {
10 |         Free<F, A>.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Free+Gen.swift:14:1: warning: extension declares a conformance of imported type 'Free' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
12 | }
13 |
14 | extension Free: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Free' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
15 |     public static var arbitrary: Gen<Free<F, A>> {
16 |         let pureGen: Gen<Free<F, A>> = A.arbitrary.map(Free<F, A>.pure >>> Free.fix)
/host/spi-builder-workspace/Tests/BowFreeGenerators/Program+Gen.swift:8:1: warning: extension declares a conformance of imported type 'ProgramPartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of `ArbitraryK` for `Free`
 7 |
 8 | extension ProgramPartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'ProgramPartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> ProgramOf<F, A> {
10 |         Program<F, A>.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Program+Gen.swift:14:1: warning: extension declares a conformance of imported type 'Program' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
12 | }
13 |
14 | extension Program: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Program' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
15 |     public static var arbitrary: Gen<Program<F, A>> {
16 |         Free<CoyonedaPartial<F>, A>.arbitrary.map(Program.init)
[351/474] Compiling BowFreeGenerators Free+Gen.swift
/host/spi-builder-workspace/Tests/BowFreeGenerators/Free+Gen.swift:8:1: warning: extension declares a conformance of imported type 'FreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
 6 | // MARK: Instance of `ArbitraryK` for `Free`
 7 |
 8 | extension FreePartial: ArbitraryK where F: ArbitraryK {
   | |- warning: extension declares a conformance of imported type 'FreePartial' to imported protocol 'ArbitraryK'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 9 |     public static func generate<A: Arbitrary>() -> FreeOf<F, A> {
10 |         Free<F, A>.arbitrary.generate
/host/spi-builder-workspace/Tests/BowFreeGenerators/Free+Gen.swift:14:1: warning: extension declares a conformance of imported type 'Free' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
12 | }
13 |
14 | extension Free: Arbitrary where F: ArbitraryK, A: Arbitrary {
   | |- warning: extension declares a conformance of imported type 'Free' to imported protocol 'Arbitrary'; this will not behave correctly if the owners of 'BowFree' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
15 |     public static var arbitrary: Gen<Free<F, A>> {
16 |         let pureGen: Gen<Free<F, A>> = A.arbitrary.map(Free<F, A>.pure >>> Free.fix)
[352/475] Compiling BowLaws AlternativeLaws.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Internal/Queue.swift:51:34: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
46 |
47 |     // MARK: operations
48 |     func async(execute work: @escaping () -> Void) {
   |                        `- note: parameter 'work' is implicitly non-sendable
49 |         switch queue {
50 |         case ._queue(let queue):
51 |             queue.async(execute: work)
   |                                  `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
52 |         default:
53 |             fatalError("can not execute async work in current queue")
[353/475] Compiling BowLaws ApplicativeErrorLaws.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Internal/Queue.swift:51:34: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
46 |
47 |     // MARK: operations
48 |     func async(execute work: @escaping () -> Void) {
   |                        `- note: parameter 'work' is implicitly non-sendable
49 |         switch queue {
50 |         case ._queue(let queue):
51 |             queue.async(execute: work)
   |                                  `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
52 |         default:
53 |             fatalError("can not execute async work in current queue")
[354/475] Compiling BowLaws ApplicativeLaws.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Internal/Queue.swift:51:34: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
46 |
47 |     // MARK: operations
48 |     func async(execute work: @escaping () -> Void) {
   |                        `- note: parameter 'work' is implicitly non-sendable
49 |         switch queue {
50 |         case ._queue(let queue):
51 |             queue.async(execute: work)
   |                                  `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
52 |         default:
53 |             fatalError("can not execute async work in current queue")
[355/475] Compiling BowLaws DivisibleLaws.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:725:36: warning: will never be executed
723 |         Schedule(
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
    |                      |             `- warning: will never be executed
    |                      `- note: '$return_value' is of type 'Never' which cannot be constructed because it is an enum with no cases
726 |             update: { _, _ in EnvIO.never()^ })
727 |     }
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:726:31: warning: will never be executed
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
726 |             update: { _, _ in EnvIO.never()^ })
    |                     |         `- warning: will never be executed
    |                     `- note: '_' is of type 'Never' which cannot be constructed because it is an enum with no cases
727 |     }
728 | }
[356/475] Compiling BowLaws EqualityFunctions.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:725:36: warning: will never be executed
723 |         Schedule(
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
    |                      |             `- warning: will never be executed
    |                      `- note: '$return_value' is of type 'Never' which cannot be constructed because it is an enum with no cases
726 |             update: { _, _ in EnvIO.never()^ })
727 |     }
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:726:31: warning: will never be executed
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
726 |             update: { _, _ in EnvIO.never()^ })
    |                     |         `- warning: will never be executed
    |                     `- note: '_' is of type 'Never' which cannot be constructed because it is an enum with no cases
727 |     }
728 | }
[357/475] Compiling BowLaws ComonadLaws.swift
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:725:36: warning: will never be executed
723 |         Schedule(
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
    |                      |             `- warning: will never be executed
    |                      `- note: '$return_value' is of type 'Never' which cannot be constructed because it is an enum with no cases
726 |             update: { _, _ in EnvIO.never()^ })
727 |     }
/host/spi-builder-workspace/Sources/BowEffects/Data/Schedule.swift:726:31: warning: will never be executed
724 |             initial: EnvIO.never()^,
725 |             extract: { _, never in never },
726 |             update: { _, _ in EnvIO.never()^ })
    |                     |         `- warning: will never be executed
    |                     `- note: '_' is of type 'Never' which cannot be constructed because it is an enum with no cases
727 |     }
728 | }
[358/475] Emitting module BowGeneric
[365/475] Compiling BowLaws BimonadLaws.swift
[366/475] Compiling BowLaws BindingOperatorOverload.swift
[367/475] Compiling BowLaws ComonadEnvLaws.swift
[368/475] Compiling BowLaws ContravariantLaws.swift
[369/475] Compiling BowLaws CustomStringConvertibleLaws.swift
[370/475] Emitting module BowOptics
[371/475] Compiling BowLaws DivideLaws.swift
[375/475] Compiling BowLaws ComonadStoreLaws.swift
[376/475] Compiling BowLaws ComonadTracedLaws.swift
[377/475] Compiling BowLaws ComonadTransLaws.swift
[378/475] Compiling BowLaws ComparableLaws.swift
[379/475] Compiling RxSwift SynchronizedUnsubscribeType.swift
[380/475] Compiling RxSwift TailRecursiveSink.swift
[381/475] Compiling RxSwift Take.swift
[382/475] Compiling RxSwift TakeLast.swift
[383/475] Compiling RxSwift TakeUntil.swift
[384/475] Compiling RxSwift TakeWhile.swift
[385/475] Compiling RxSwift Throttle.swift
[386/475] Compiling RxSwift Timeout.swift
[387/475] Compiling RxSwift Timer.swift
[388/475] Compiling RxSwift ToArray.swift
[389/475] Compiling RxSwift Using.swift
[390/475] Compiling RxSwift VirtualTimeConverterType.swift
[391/475] Compiling RxSwift VirtualTimeScheduler.swift
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BUILD FAILURE 6.1 linux