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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 SwiftCheck, reference 0.12.0 (077c09), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 09:19:41 UTC.

Swift 6 data race errors: 1

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/typelift/SwiftCheck.git
Reference: 0.12.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/typelift/SwiftCheck
 * tag               0.12.0     -> FETCH_HEAD
HEAD is now at 077c096 Merge pull request #286 from rabbitinspace/master
Submodule path 'Carthage/Checkouts/FileCheck': checked out 'bd9cb30ceee1f21c02f51a7168f58471449807d8'
Submodule 'Carthage/Checkouts/FileCheck' (https://github.com/trill-lang/FileCheck.git) registered for path 'Carthage/Checkouts/FileCheck'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/FileCheck'...
Cloned https://github.com/typelift/SwiftCheck.git
Revision (git rev-parse @):
077c096c3ddfc38db223ac8e525ad16ffb987138
SUCCESS checkout https://github.com/typelift/SwiftCheck.git at 0.12.0
Fetching https://github.com/llvm-swift/FileCheck.git
[5/479] Fetching filecheck
Fetched https://github.com/llvm-swift/FileCheck.git from cache (0.79s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (0.66s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/81] Fetching chalk
[60/12402] Fetching chalk, swift-argument-parser
Fetched https://github.com/mxcl/Chalk.git from cache (1.70s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.70s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.67s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.55s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.2.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
========================================
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": "swiftcheck",
      "name": "SwiftCheck",
      "url": "https://github.com/typelift/SwiftCheck.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftCheck",
      "dependencies": [
        {
          "identity": "filecheck",
          "name": "FileCheck",
          "url": "https://github.com/llvm-swift/FileCheck.git",
          "version": "0.2.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/FileCheck",
          "dependencies": [
            {
              "identity": "swift-argument-parser",
              "name": "swift-argument-parser",
              "url": "https://github.com/apple/swift-argument-parser",
              "version": "1.5.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
              "dependencies": [
              ]
            },
            {
              "identity": "chalk",
              "name": "Chalk",
              "url": "https://github.com/mxcl/Chalk.git",
              "version": "0.5.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Chalk",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/typelift/SwiftCheck.git
[1/4870] Fetching swiftcheck
Fetched https://github.com/typelift/SwiftCheck.git from cache (1.23s)
Fetching https://github.com/llvm-swift/FileCheck.git from cache
Fetched https://github.com/llvm-swift/FileCheck.git from cache (0.49s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (0.02s)
Fetching https://github.com/apple/swift-argument-parser from cache
Fetching https://github.com/mxcl/Chalk.git from cache
Fetched https://github.com/mxcl/Chalk.git from cache (0.56s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.56s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.03s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.03s)
Creating working copy for https://github.com/typelift/SwiftCheck.git
Working copy of https://github.com/typelift/SwiftCheck.git resolved at 0.12.0 (077c096)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.2.6
warning: '.resolve-product-dependencies': dependency 'swiftcheck' is not used by any target
Found 1 product dependencies
  - FileCheck
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/typelift/SwiftCheck.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
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/18] Compiling SwiftCheck Testable.swift
[5/19] Compiling SwiftCheck State.swift
[6/19] Compiling SwiftCheck Test.swift
[7/19] Compiling SwiftCheck WitnessedArbitrary.swift
[8/19] Compiling SwiftCheck Rose.swift
[9/19] Compiling SwiftCheck Property.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftCheck/Random.swift:102:13: warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
100 | }
101 |
102 | private var theStdGen : StdGen = mkStdRNG(0)
    |             |- warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'theStdGen' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'theStdGen' 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
103 |
104 | /// A library-provided standard random number generator.
[10/19] Compiling SwiftCheck Random.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftCheck/Random.swift:102:13: warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
100 | }
101 |
102 | private var theStdGen : StdGen = mkStdRNG(0)
    |             |- warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'theStdGen' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'theStdGen' 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
103 |
104 | /// A library-provided standard random number generator.
[11/19] Compiling SwiftCheck Lattice.swift
[12/19] Compiling SwiftCheck Modifiers.swift
[13/19] Compiling SwiftCheck Compose.swift
[14/19] Compiling SwiftCheck Gen.swift
[15/19] Compiling SwiftCheck Check.swift
[16/19] Compiling SwiftCheck CoArbitrary.swift
[17/19] Compiling SwiftCheck Arbitrary.swift
[18/19] Compiling SwiftCheck Cartesian.swift
[19/19] Emitting module SwiftCheck
/Users/admin/builder/spi-builder-workspace/Sources/SwiftCheck/Random.swift:102:13: warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
100 | }
101 |
102 | private var theStdGen : StdGen = mkStdRNG(0)
    |             |- warning: var 'theStdGen' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'theStdGen' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'theStdGen' 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
103 |
104 | /// A library-provided standard random number generator.
Build complete! (20.46s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "filecheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/llvm-swift/FileCheck.git"
    }
  ],
  "manifest_display_name" : "SwiftCheck",
  "name" : "SwiftCheck",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftCheck",
      "targets" : [
        "SwiftCheck"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCheckTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheckTests",
      "path" : "Tests/SwiftCheckTests",
      "product_dependencies" : [
        "FileCheck"
      ],
      "sources" : [
        "BooleanIdentitySpec.swift",
        "CartesianSpec.swift",
        "ComplexSpec.swift",
        "DiscardSpec.swift",
        "FailureSpec.swift",
        "FormatterSpec.swift",
        "GenSpec.swift",
        "LambdaSpec.swift",
        "ModifierSpec.swift",
        "PathSpec.swift",
        "PropertySpec.swift",
        "ReplaySpec.swift",
        "RoseSpec.swift",
        "ShrinkSpec.swift",
        "SimpleSpec.swift",
        "TestSpec.swift"
      ],
      "target_dependencies" : [
        "SwiftCheck"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCheck",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheck",
      "path" : "Sources/SwiftCheck",
      "product_memberships" : [
        "SwiftCheck"
      ],
      "sources" : [
        "Arbitrary.swift",
        "Cartesian.swift",
        "Check.swift",
        "CoArbitrary.swift",
        "Compose.swift",
        "Gen.swift",
        "Lattice.swift",
        "Modifiers.swift",
        "Property.swift",
        "Random.swift",
        "Rose.swift",
        "State.swift",
        "Test.swift",
        "Testable.swift",
        "WitnessedArbitrary.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.