The Swift Package Index logo.Swift Package Index

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

Build Information

Successful build of UserDefaultsKey, reference main (c52b82), with Swift 6.0 for macOS (SPM) on 28 Nov 2024 02:45:40 UTC.

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/danielctull/UserDefaultsKey.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/danielctull/UserDefaultsKey
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c52b82f Correctly handle storing URLs in UserDefaults
Cloned https://github.com/danielctull/UserDefaultsKey.git
Revision (git rev-parse @):
c52b82fcf31bbe41f1210e983c94988792ffc9c5
SUCCESS checkout https://github.com/danielctull/UserDefaultsKey.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "userdefaultskey",
      "name": "UserDefaultsKey",
      "url": "https://github.com/danielctull/UserDefaultsKey.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/UserDefaultsKey",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/danielctull/UserDefaultsKey.git
[1/246] Fetching userdefaultskey
Fetched https://github.com/danielctull/UserDefaultsKey.git from cache (0.76s)
Creating working copy for https://github.com/danielctull/UserDefaultsKey.git
Working copy of https://github.com/danielctull/UserDefaultsKey.git resolved at main (c52b82f)
warning: '.resolve-product-dependencies': dependency 'userdefaultskey' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/danielctull/UserDefaultsKey.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/8] Compiling UserDefaultsKey UserDefaultsKey.swift
[4/8] Compiling UserDefaultsKey UserDefaults.swift
[5/8] Compiling UserDefaultsKey PropertyWrapper-Static.swift
[6/8] Emitting module UserDefaultsKey
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:44:6: warning: call to main actor-isolated initializer 'init(wrappedValue:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |      `- warning: call to main actor-isolated initializer 'init(wrappedValue:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
SwiftUICore.ObservedObject:7:39: note: calls to initializer 'init(wrappedValue:)' from outside of its actor context are implicitly asynchronous
 5 |     }
 6 |     @MainActor @preconcurrency public init(initialValue: ObjectType)
 7 |     @MainActor @preconcurrency public init(wrappedValue: ObjectType)
   |                                       `- note: calls to initializer 'init(wrappedValue:)' from outside of its actor context are implicitly asynchronous
 8 |     @MainActor @preconcurrency public var wrappedValue: ObjectType
 9 |     @MainActor @preconcurrency public var projectedValue: ObservedObject<ObjectType>.Wrapper { get }
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:44:6: warning: sending '$input_value' risks causing data races; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |      |- warning: sending '$input_value' risks causing data races; this is an error in the Swift 6 language mode
   |      `- note: sending task-isolated '$input_value' to main actor-isolated callee risks causing data races between main actor-isolated and task-isolated uses
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
[7/8] Compiling UserDefaultsKey KeyValueObservation.swift
[8/8] Compiling UserDefaultsKey PropertyWrapper-Dynamic.swift
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:44:6: warning: call to main actor-isolated initializer 'init(wrappedValue:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |      `- warning: call to main actor-isolated initializer 'init(wrappedValue:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
SwiftUICore.ObservedObject:7:39: note: calls to initializer 'init(wrappedValue:)' from outside of its actor context are implicitly asynchronous
 5 |     }
 6 |     @MainActor @preconcurrency public init(initialValue: ObjectType)
 7 |     @MainActor @preconcurrency public init(wrappedValue: ObjectType)
   |                                       `- note: calls to initializer 'init(wrappedValue:)' from outside of its actor context are implicitly asynchronous
 8 |     @MainActor @preconcurrency public var wrappedValue: ObjectType
 9 |     @MainActor @preconcurrency public var projectedValue: ObservedObject<ObjectType>.Wrapper { get }
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:55:9: warning: main actor-isolated property 'observable' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |                                 `- note: mutation of this property is only permitted within the actor
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
   :
53 |         self.key = key
54 |         self.defaults = defaults
55 |         observable = Observable(defaults: defaults, key: key)
   |         `- warning: main actor-isolated property 'observable' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
56 |     }
57 |
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:60:15: warning: main actor-isolated property 'observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |                                 `- note: property declared here
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
   :
58 |     /// The value stored in user defaults for the given key.
59 |     public var wrappedValue: Value {
60 |         get { observable.value }
   |               `- warning: main actor-isolated property 'observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
61 |         set { observable.value = newValue }
62 |     }
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:61:15: warning: main actor-isolated property 'observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |                                 `- note: property declared here
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
   :
59 |     public var wrappedValue: Value {
60 |         get { observable.value }
61 |         set { observable.value = newValue }
   |               `- warning: main actor-isolated property 'observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
62 |     }
63 |
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:65:60: warning: main actor-isolated subscript 'subscript(dynamicMember:)' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
63 |
64 |     /// A binding to the value in stored in user defaults.
65 |     public var projectedValue: Binding<Value> { $observable.value }
   |                                                            `- warning: main actor-isolated subscript 'subscript(dynamicMember:)' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
66 |
67 |     public mutating func update() { _observable.update() }
SwiftUICore.ObservedObject:4:43: note: subscript declared here
 2 | @MainActor @propertyWrapper @preconcurrency @frozen public struct ObservedObject<ObjectType> : DynamicProperty where ObjectType : ObservableObject {
 3 |     @MainActor @dynamicMemberLookup @preconcurrency @frozen public struct Wrapper {
 4 |         @MainActor @preconcurrency public subscript<Subject>(dynamicMember keyPath: ReferenceWritableKeyPath<ObjectType, Subject>) -> Binding<Subject> { get }
   |                                           `- note: subscript declared here
 5 |     }
 6 |     @MainActor @preconcurrency public init(initialValue: ObjectType)
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:65:49: warning: main actor-isolated property '$observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |                                 `- note: property declared here
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
   :
63 |
64 |     /// A binding to the value in stored in user defaults.
65 |     public var projectedValue: Binding<Value> { $observable.value }
   |                                                 `- warning: main actor-isolated property '$observable' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
66 |
67 |     public mutating func update() { _observable.update() }
/Users/admin/builder/spi-builder-workspace/Sources/UserDefaultsKey/PropertyWrapper-Dynamic.swift:44:6: warning: sending '$input_value' risks causing data races; this is an error in the Swift 6 language mode
42 |     let defaults: UserDefaults
43 |     let key: UserDefaultsKey<Value>
44 |     @ObservedObject private var observable: Observable<Value>
   |      |- warning: sending '$input_value' risks causing data races; this is an error in the Swift 6 language mode
   |      `- note: sending task-isolated '$input_value' to main actor-isolated callee risks causing data races between main actor-isolated and task-isolated uses
45 |
46 |     /// Creates a dynamic UserDefault property wrapper to access the value for
Build complete! (11.50s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UserDefaultsKey",
  "name" : "UserDefaultsKey",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "UserDefaultsKey",
      "targets" : [
        "UserDefaultsKey"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UserDefaultsKeyTests",
      "module_type" : "SwiftTarget",
      "name" : "UserDefaultsKeyTests",
      "path" : "Tests/UserDefaultsKeyTests",
      "sources" : [
        "KeyTests.swift",
        "PropertyWrapperTests.swift",
        "String+Random.swift",
        "Unwrap.swift"
      ],
      "target_dependencies" : [
        "UserDefaultsKey"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UserDefaultsKey",
      "module_type" : "SwiftTarget",
      "name" : "UserDefaultsKey",
      "path" : "Sources/UserDefaultsKey",
      "product_memberships" : [
        "UserDefaultsKey"
      ],
      "sources" : [
        "KeyValueObservation.swift",
        "PropertyWrapper-Dynamic.swift",
        "PropertyWrapper-Static.swift",
        "UserDefaults.swift",
        "UserDefaultsKey.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.