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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 Entwine, reference master (72a739), with Swift 6.1 for Linux on 25 Apr 2025 20:26:16 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tcldr/Entwine.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/tcldr/Entwine
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 72a7395 relax deployment target
Cloned https://github.com/tcldr/Entwine.git
Revision (git rev-parse @):
72a73955f03b5888199aeccc58067dc365381244
SUCCESS checkout https://github.com/tcldr/Entwine.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tcldr/Entwine.git
https://github.com/tcldr/Entwine.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Entwine",
  "name" : "Entwine",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "Entwine",
      "targets" : [
        "Entwine"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EntwineTest",
      "targets" : [
        "EntwineTest"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EntwineTests",
      "module_type" : "SwiftTarget",
      "name" : "EntwineTests",
      "path" : "Tests/EntwineTests",
      "sources" : [
        "DematerializeTests.swift",
        "FactoryTests.swift",
        "MaterializeTests.swift",
        "ReferenceCountedTests.swift",
        "ReplaySubjectTests.swift",
        "ShareReplayTests.swift",
        "TrampolineSchedulerTests.swift",
        "WithLatestFromTests.swift"
      ],
      "target_dependencies" : [
        "Entwine",
        "EntwineTest"
      ],
      "type" : "test"
    },
    {
      "c99name" : "EntwineTestTests",
      "module_type" : "SwiftTarget",
      "name" : "EntwineTestTests",
      "path" : "Tests/EntwineTestTests",
      "sources" : [
        "TestSchedulerTests.swift",
        "TestablePublisherTests.swift",
        "TestableSubscriberTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "EntwineTest"
      ],
      "type" : "test"
    },
    {
      "c99name" : "EntwineTest",
      "module_type" : "SwiftTarget",
      "name" : "EntwineTest",
      "path" : "Sources/EntwineTest",
      "product_memberships" : [
        "EntwineTest"
      ],
      "sources" : [
        "Common/DataStructures/LinkedListQueue.swift",
        "Common/DataStructures/LinkedListStack.swift",
        "Common/DataStructures/PriorityQueue.swift",
        "Common/Utilities/SinkQueue.swift",
        "Deprecations.swift",
        "Signal+CustomDebugStringConvertible.swift",
        "TestEvent.swift",
        "TestScheduler/TestScheduler.swift",
        "TestScheduler/VirtualTime.swift",
        "TestScheduler/VirtualTimeInterval.swift",
        "TestSequence.swift",
        "TestablePublisher/TestablePublisher.swift",
        "TestableSubscriber/DemandLedger.swift",
        "TestableSubscriber/TestableSubscriber.swift"
      ],
      "target_dependencies" : [
        "Entwine"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Entwine",
      "module_type" : "SwiftTarget",
      "name" : "Entwine",
      "path" : "Sources/Entwine",
      "product_memberships" : [
        "Entwine",
        "EntwineTest"
      ],
      "sources" : [
        "Common/DataStructures/LinkedListQueue.swift",
        "Common/DataStructures/LinkedListStack.swift",
        "Common/DataStructures/PriorityQueue.swift",
        "Common/Utilities/SinkQueue.swift",
        "Deprecated/CancellableBag.swift",
        "Deprecated/Deprecations.swift",
        "Operators/Dematerialize.swift",
        "Operators/Materialize.swift",
        "Operators/ReferenceCounted.swift",
        "Operators/ReplaySubject.swift",
        "Operators/ShareReplay.swift",
        "Operators/Signpost.swift",
        "Operators/WithLatestFrom.swift",
        "Publishers/Factory.swift",
        "Schedulers/TrampolineScheduler.swift",
        "Signal.swift",
        "Utilities/DeallocToken.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/19] Emitting module Entwine
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[5/21] Compiling Entwine Signal.swift
[6/21] Compiling Entwine DeallocToken.swift
[7/21] Compiling Entwine ReplaySubject.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/ReplaySubject.swift:150:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
148 |
149 |     let maxBufferSize: Int
150 |     private (set) var buffer = LinkedListQueue<Value>()
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
151 |
152 |     init(maxBufferSize: Int) {
[8/21] Compiling Entwine ShareReplay.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/ReplaySubject.swift:150:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
148 |
149 |     let maxBufferSize: Int
150 |     private (set) var buffer = LinkedListQueue<Value>()
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
151 |
152 |     init(maxBufferSize: Int) {
[9/21] Compiling Entwine Factory.swift
[10/21] Compiling Entwine TrampolineScheduler.swift
[11/21] Compiling Entwine Materialize.swift
[12/21] Compiling Entwine ReferenceCounted.swift
[13/21] Compiling Entwine Signpost.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/WithLatestFrom.swift:143:16: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
141 |
142 |         private let publisher: AnyPublisher<P.Output, P.Failure>
143 |         private (set) var lastInput: Input?
    |                `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
144 |         private var subscription: Subscription?
145 |
[14/21] Compiling Entwine WithLatestFrom.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/WithLatestFrom.swift:143:16: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
141 |
142 |         private let publisher: AnyPublisher<P.Output, P.Failure>
143 |         private (set) var lastInput: Input?
    |                `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
144 |         private var subscription: Subscription?
145 |
[15/21] Compiling Entwine LinkedListQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[16/21] Compiling Entwine LinkedListStack.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[17/21] Compiling Entwine PriorityQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[18/21] Compiling Entwine SinkQueue.swift
[19/21] Compiling Entwine CancellableBag.swift
[20/21] Compiling Entwine Deprecations.swift
[21/21] Compiling Entwine Dematerialize.swift
[23/36] Compiling EntwineTest TestEvent.swift
[24/36] Compiling EntwineTest TestScheduler.swift
[25/37] Compiling EntwineTest DemandLedger.swift
[26/37] Compiling EntwineTest TestSequence.swift
[27/37] Compiling EntwineTest TestablePublisher.swift
[28/37] Compiling EntwineTest VirtualTime.swift
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[29/37] Compiling EntwineTest VirtualTimeInterval.swift
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[30/37] Compiling EntwineTest TestableSubscriber.swift
[31/37] Compiling EntwineTest Deprecations.swift
[32/37] Compiling EntwineTest Signal+CustomDebugStringConvertible.swift
[33/37] Compiling EntwineTest LinkedListQueue.swift
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[34/37] Compiling EntwineTest LinkedListStack.swift
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[35/37] Emitting module EntwineTest
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[36/37] Compiling EntwineTest PriorityQueue.swift
[37/37] Compiling EntwineTest SinkQueue.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/17] Compiling Entwine Signpost.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/WithLatestFrom.swift:143:16: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
141 |
142 |         private let publisher: AnyPublisher<P.Output, P.Failure>
143 |         private (set) var lastInput: Input?
    |                `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
144 |         private var subscription: Subscription?
145 |
[3/17] Compiling Entwine WithLatestFrom.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/WithLatestFrom.swift:143:16: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
141 |
142 |         private let publisher: AnyPublisher<P.Output, P.Failure>
143 |         private (set) var lastInput: Input?
    |                `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
144 |         private var subscription: Subscription?
145 |
[4/19] Compiling Entwine Factory.swift
[5/19] Compiling Entwine TrampolineScheduler.swift
[6/19] Compiling Entwine Deprecations.swift
[7/19] Compiling Entwine Dematerialize.swift
[8/19] Compiling Entwine Materialize.swift
[9/19] Compiling Entwine ReferenceCounted.swift
[10/19] Compiling Entwine ReplaySubject.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/ReplaySubject.swift:150:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
148 |
149 |     let maxBufferSize: Int
150 |     private (set) var buffer = LinkedListQueue<Value>()
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
151 |
152 |     init(maxBufferSize: Int) {
[11/19] Compiling Entwine ShareReplay.swift
/host/spi-builder-workspace/Sources/Entwine/Operators/ReplaySubject.swift:150:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
148 |
149 |     let maxBufferSize: Int
150 |     private (set) var buffer = LinkedListQueue<Value>()
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
151 |
152 |     init(maxBufferSize: Int) {
[12/19] Compiling Entwine SinkQueue.swift
[13/19] Compiling Entwine CancellableBag.swift
[14/19] Emitting module Entwine
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[15/19] Compiling Entwine Signal.swift
[16/19] Compiling Entwine DeallocToken.swift
[17/19] Compiling Entwine LinkedListQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[18/19] Compiling Entwine LinkedListStack.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[19/19] Compiling Entwine PriorityQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[21/34] Compiling EntwineTest TestSequence.swift
[22/34] Compiling EntwineTest TestablePublisher.swift
[23/35] Compiling EntwineTest DemandLedger.swift
[24/35] Compiling EntwineTest TestEvent.swift
[25/35] Compiling EntwineTest TestScheduler.swift
[26/35] Compiling EntwineTest Deprecations.swift
[27/35] Compiling EntwineTest Signal+CustomDebugStringConvertible.swift
[28/35] Compiling EntwineTest VirtualTime.swift
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[29/35] Compiling EntwineTest VirtualTimeInterval.swift
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[30/35] Compiling EntwineTest TestableSubscriber.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[31/35] Compiling EntwineTest LinkedListQueue.swift
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[32/35] Compiling EntwineTest LinkedListStack.swift
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[33/35] Emitting module EntwineTest
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
[34/35] Compiling EntwineTest PriorityQueue.swift
[35/35] Compiling EntwineTest SinkQueue.swift
BUILD FAILURE 6.1 linux