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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 Impose, reference 3.6.0 (34e256), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 10:26:29 UTC.

Swift 6 data race errors: 3

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hainayanda/Impose.git
Reference: 3.6.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hainayanda/Impose
 * tag               3.6.0      -> FETCH_HEAD
HEAD is now at 34e256e Update Impose.podspec
Cloned https://github.com/hainayanda/Impose.git
Revision (git rev-parse @):
34e256e8a62550574a968c77d3bd073aeaa5eba8
SUCCESS checkout https://github.com/hainayanda/Impose.git at 3.6.0
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
Fetching https://github.com/mattgallagher/CwlCatchException.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/hainayanda/Chary.git
[1/1257] Fetching cwlpreconditiontesting
[157/1771] Fetching cwlpreconditiontesting, chary
[753/16526] Fetching cwlpreconditiontesting, chary, quick
[2363/36093] Fetching cwlpreconditiontesting, chary, quick, nimble
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (1.34s)
[27401/34836] Fetching chary, quick, nimble
[34837/35291] Fetching chary, quick, nimble, cwlcatchexception
Fetched https://github.com/hainayanda/Chary.git from cache (2.70s)
Computing version for https://github.com/hainayanda/Chary.git
Fetched https://github.com/Quick/Quick.git from cache (2.70s)
Fetched https://github.com/Quick/Nimble.git from cache (2.70s)
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (2.70s)
Computed https://github.com/hainayanda/Chary.git at 1.0.7 (3.32s)
Creating working copy for https://github.com/hainayanda/Chary.git
Working copy of https://github.com/hainayanda/Chary.git resolved at 1.0.7
========================================
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": "impose",
      "name": "Impose",
      "url": "https://github.com/hainayanda/Impose.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Impose",
      "dependencies": [
        {
          "identity": "chary",
          "name": "Chary",
          "url": "https://github.com/hainayanda/Chary.git",
          "version": "1.0.7",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Chary",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/hainayanda/Impose.git
[1/1617] Fetching impose
Fetched https://github.com/hainayanda/Impose.git from cache (2.45s)
Fetching https://github.com/hainayanda/Chary.git from cache
Fetched https://github.com/hainayanda/Chary.git from cache (0.44s)
Computing version for https://github.com/hainayanda/Chary.git
Computed https://github.com/hainayanda/Chary.git at 1.0.7 (0.49s)
Creating working copy for https://github.com/hainayanda/Impose.git
Working copy of https://github.com/hainayanda/Impose.git resolved at 3.6.0 (34e256e)
Creating working copy for https://github.com/hainayanda/Chary.git
Working copy of https://github.com/hainayanda/Chary.git resolved at 1.0.7
warning: '.resolve-product-dependencies': dependency 'impose' is not used by any target
Found 1 product dependencies
  - Chary
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/hainayanda/Impose.git
https://github.com/hainayanda/Impose.git
{
  "dependencies" : [
    {
      "identity" : "chary",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.7",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/hainayanda/Chary.git"
    }
  ],
  "manifest_display_name" : "Impose",
  "name" : "Impose",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "Impose",
      "targets" : [
        "Impose"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Impose",
      "module_type" : "SwiftTarget",
      "name" : "Impose",
      "path" : "Impose/Classes",
      "product_dependencies" : [
        "Chary"
      ],
      "product_memberships" : [
        "Impose"
      ],
      "sources" : [
        "AutoInjectMock.swift",
        "Dictionary+Extensions.swift",
        "ImposeError.swift",
        "InjectContext.swift",
        "InjectionEnvironment.swift",
        "Injector.swift",
        "InstanceResolver.swift",
        "Mirror+Extensions.swift",
        "ModuleProvider.swift",
        "PropertyWrapper.swift",
        "ResolverFunction.swift",
        "TypeHashable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/6] Compiling Chary Atomic.swift
[5/6] Compiling Chary DispatchQueue+Extensions.swift
[6/6] Emitting module Chary
[7/18] Compiling Impose ResolverFunction.swift
[8/18] Compiling Impose Mirror+Extensions.swift
[9/18] Compiling Impose PropertyWrapper.swift
[10/19] Compiling Impose AutoInjectMock.swift
[11/19] Compiling Impose Dictionary+Extensions.swift
[12/19] Emitting module Impose
/Users/admin/builder/spi-builder-workspace/Impose/Classes/InjectionEnvironment.swift:104:13: warning: var 'environmentInjectorKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
102 | }
103 |
104 | private var environmentInjectorKey: UnsafeMutableRawPointer = malloc(1)
    |             |- warning: var 'environmentInjectorKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'environmentInjectorKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'environmentInjectorKey' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |
106 | extension InjectionEnvironment {
/Users/admin/builder/spi-builder-workspace/Impose/Classes/Injector.swift:34:16: warning: static property 'defaultInjector' is not concurrency-safe because non-'Sendable' type 'Injector' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | /// Injector class
 12 | public final class Injector: InjectResolver {
    |                    `- note: class 'Injector' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: Public Static
    :
 32 |     // MARK: Internal Static
 33 |
 34 |     static let defaultInjector: Injector = Injector()
    |                |- warning: static property 'defaultInjector' is not concurrency-safe because non-'Sendable' type 'Injector' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'defaultInjector' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 35 |     static var customInjector: Injector?
 36 |
/Users/admin/builder/spi-builder-workspace/Impose/Classes/Injector.swift:35:16: warning: static property 'customInjector' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 33 |
 34 |     static let defaultInjector: Injector = Injector()
 35 |     static var customInjector: Injector?
    |                |- warning: static property 'customInjector' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'customInjector' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'customInjector' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     // MARK: Public Properties
[13/19] Compiling Impose Injector.swift
/Users/admin/builder/spi-builder-workspace/Impose/Classes/Injector.swift:34:16: warning: static property 'defaultInjector' is not concurrency-safe because non-'Sendable' type 'Injector' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | /// Injector class
 12 | public final class Injector: InjectResolver {
    |                    `- note: class 'Injector' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: Public Static
    :
 32 |     // MARK: Internal Static
 33 |
 34 |     static let defaultInjector: Injector = Injector()
    |                |- warning: static property 'defaultInjector' is not concurrency-safe because non-'Sendable' type 'Injector' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'defaultInjector' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 35 |     static var customInjector: Injector?
 36 |
/Users/admin/builder/spi-builder-workspace/Impose/Classes/Injector.swift:35:16: warning: static property 'customInjector' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 33 |
 34 |     static let defaultInjector: Injector = Injector()
 35 |     static var customInjector: Injector?
    |                |- warning: static property 'customInjector' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'customInjector' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'customInjector' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     // MARK: Public Properties
[14/19] Compiling Impose ImposeError.swift
[15/19] Compiling Impose InjectContext.swift
[16/19] Compiling Impose InjectionEnvironment.swift
/Users/admin/builder/spi-builder-workspace/Impose/Classes/InjectionEnvironment.swift:104:13: warning: var 'environmentInjectorKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
102 | }
103 |
104 | private var environmentInjectorKey: UnsafeMutableRawPointer = malloc(1)
    |             |- warning: var 'environmentInjectorKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'environmentInjectorKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'environmentInjectorKey' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |
106 | extension InjectionEnvironment {
[17/19] Compiling Impose ModuleProvider.swift
[18/19] Compiling Impose InstanceResolver.swift
[19/19] Compiling Impose TypeHashable.swift
Build complete! (6.48s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "chary",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.7",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/hainayanda/Chary.git"
    }
  ],
  "manifest_display_name" : "Impose",
  "name" : "Impose",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "Impose",
      "targets" : [
        "Impose"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Impose",
      "module_type" : "SwiftTarget",
      "name" : "Impose",
      "path" : "Impose/Classes",
      "product_dependencies" : [
        "Chary"
      ],
      "product_memberships" : [
        "Impose"
      ],
      "sources" : [
        "AutoInjectMock.swift",
        "Dictionary+Extensions.swift",
        "ImposeError.swift",
        "InjectContext.swift",
        "InjectionEnvironment.swift",
        "Injector.swift",
        "InstanceResolver.swift",
        "Mirror+Extensions.swift",
        "ModuleProvider.swift",
        "PropertyWrapper.swift",
        "ResolverFunction.swift",
        "TypeHashable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.