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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

Successful build of Disposable, reference main (0f81e7), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 08:12:43 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

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/GoodHatsLLC/Disposable.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/GoodHatsLLC/Disposable
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0f81e7e update documentation and swift version syntax
Cloned https://github.com/GoodHatsLLC/Disposable.git
Revision (git rev-parse @):
0f81e7e98b832ac0390976e398b3e76f3c1ede5d
SUCCESS checkout https://github.com/GoodHatsLLC/Disposable.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": "disposable",
      "name": "Disposable",
      "url": "https://github.com/GoodHatsLLC/Disposable.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Disposable",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/GoodHatsLLC/Disposable.git
[6/274] Fetching disposable
Fetched https://github.com/GoodHatsLLC/Disposable.git from cache (0.83s)
Creating working copy for https://github.com/GoodHatsLLC/Disposable.git
Working copy of https://github.com/GoodHatsLLC/Disposable.git resolved at main (0f81e7e)
warning: '.resolve-product-dependencies': dependency 'disposable' 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/GoodHatsLLC/Disposable.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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/12] Compiling Disposable CombineExtensions.swift
[4/12] Compiling Disposable AutoDisposable.swift
[5/12] Compiling Disposable TaskExtensions.swift
[6/12] Emitting module Disposable
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 |
 64 |   fileprivate static let indefinite = DisposableStage()
 65 |   fileprivate static var identifiedStage = Locked([String: any Disposable]())
    |                          |- warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: convert 'identifiedStage' to a 'let' constant to make 'Sendable' shared state immutable
    |                          |- note: annotate 'identifiedStage' with '@MainActor' if property should only be accessed from the main actor
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |   fileprivate static var callSiteStage = Locked([String: any Disposable]())
 67 |
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |   fileprivate static let indefinite = DisposableStage()
 65 |   fileprivate static var identifiedStage = Locked([String: any Disposable]())
 66 |   fileprivate static var callSiteStage = Locked([String: any Disposable]())
    |                          |- warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: convert 'callSiteStage' to a 'let' constant to make 'Sendable' shared state immutable
    |                          |- note: annotate 'callSiteStage' with '@MainActor' if property should only be accessed from the main actor
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |
 68 | }
[7/13] Compiling Disposable ConvenienceStages.swift
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 |
 64 |   fileprivate static let indefinite = DisposableStage()
 65 |   fileprivate static var identifiedStage = Locked([String: any Disposable]())
    |                          |- warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: convert 'identifiedStage' to a 'let' constant to make 'Sendable' shared state immutable
    |                          |- note: annotate 'identifiedStage' with '@MainActor' if property should only be accessed from the main actor
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |   fileprivate static var callSiteStage = Locked([String: any Disposable]())
 67 |
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |   fileprivate static let indefinite = DisposableStage()
 65 |   fileprivate static var identifiedStage = Locked([String: any Disposable]())
 66 |   fileprivate static var callSiteStage = Locked([String: any Disposable]())
    |                          |- warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: convert 'callSiteStage' to a 'let' constant to make 'Sendable' shared state immutable
    |                          |- note: annotate 'callSiteStage' with '@MainActor' if property should only be accessed from the main actor
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |
 68 | }
[8/13] Compiling Disposable Disposable.swift
[9/13] Compiling Disposable ErasedDisposable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ErasedDisposable.swift:21:43: warning: capture of 'disposal' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
19 |
20 |   public nonisolated init(disposal: @escaping () -> Void) {
21 |     self.disposalAction = Locked(Action { disposal() })
   |                                           |- warning: capture of 'disposal' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
   |                                           `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
22 |     self.id = .init()
23 |   }
[10/13] Compiling Disposable DisposableBuilder.swift
[11/13] Compiling Disposable DisposableStage.swift
[12/13] Compiling Disposable Locked.swift
[13/13] Compiling Disposable Task.swift
Build complete! (12.31s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Disposable",
  "name" : "Disposable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.3"
    },
    {
      "name" : "ios",
      "version" : "15.4"
    },
    {
      "name" : "tvos",
      "version" : "15.4"
    },
    {
      "name" : "watchos",
      "version" : "8.5"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.4"
    }
  ],
  "products" : [
    {
      "name" : "Disposable",
      "targets" : [
        "Disposable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DisposableTests",
      "module_type" : "SwiftTarget",
      "name" : "DisposableTests",
      "path" : "Tests/DisposableTests",
      "sources" : [
        "AutoDisposeable.swift",
        "BasicTests.swift",
        "CombineBridgeTests.swift",
        "ConvenienceStageTests.swift",
        "DisposalStageTests.swift",
        "TaskBridgeTests.swift",
        "ThreadingTests.swift"
      ],
      "target_dependencies" : [
        "Disposable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Disposable",
      "module_type" : "SwiftTarget",
      "name" : "Disposable",
      "path" : "Sources/Disposable",
      "product_memberships" : [
        "Disposable"
      ],
      "sources" : [
        "AutoDisposable.swift",
        "Bridging/CombineExtensions.swift",
        "Bridging/TaskExtensions.swift",
        "ConvenienceStages.swift",
        "Disposable.swift",
        "DisposableBuilder.swift",
        "DisposableStage.swift",
        "ErasedDisposable.swift",
        "Locked.swift",
        "Task.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Done.