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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 Concurrency, reference 0.2.0 (bb7119), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 10:26:49 UTC.

Swift 6 data race errors: 0

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/space-code/concurrency.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/space-code/concurrency
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at bb71193 Release `0.2.0` (#5)
Cloned https://github.com/space-code/concurrency.git
Revision (git rev-parse @):
bb7119365ad8ab08111213c5662edc67521c60cb
SUCCESS checkout https://github.com/space-code/concurrency.git at 0.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/space-code/concurrency.git
https://github.com/space-code/concurrency.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Concurrency",
  "name" : "Concurrency",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Concurrency",
      "targets" : [
        "Concurrency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "TestConcurrency",
      "targets" : [
        "TestConcurrency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TestConcurrency",
      "module_type" : "SwiftTarget",
      "name" : "TestConcurrency",
      "path" : "Sources/TestConcurrency",
      "product_memberships" : [
        "TestConcurrency"
      ],
      "sources" : [
        "Task.swift",
        "TestDispatchQueue.swift",
        "TestDispatchQueueFactory.swift",
        "TestTaskFactory.swift"
      ],
      "target_dependencies" : [
        "Concurrency"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ConcurrencyTests",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyTests",
      "path" : "Tests/ConcurrencyTests",
      "sources" : [
        "DispatchQueueFactoryTests.swift"
      ],
      "target_dependencies" : [
        "Concurrency"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Concurrency",
      "module_type" : "SwiftTarget",
      "name" : "Concurrency",
      "path" : "Sources/Concurrency",
      "product_memberships" : [
        "Concurrency",
        "TestConcurrency"
      ],
      "sources" : [
        "DispatchQueue/DispatchQueue+IDispatchQueue.swift",
        "DispatchQueue/IDispatchQueue.swift",
        "DispatchQueueFactory/DispatchQueueFactory.swift",
        "DispatchQueueFactory/IDispatchQueueFactory.swift",
        "TaskFactory/ITaskFactory.swift",
        "TaskFactory/TaskFactory.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/10] Compiling Concurrency IDispatchQueue.swift
[5/10] Compiling Concurrency IDispatchQueueFactory.swift
[6/10] Compiling Concurrency DispatchQueueFactory.swift
[7/10] Emitting module Concurrency
[8/10] Compiling Concurrency TaskFactory.swift
[9/10] Compiling Concurrency ITaskFactory.swift
[10/10] Compiling Concurrency DispatchQueue+IDispatchQueue.swift
[11/15] Compiling TestConcurrency TestDispatchQueueFactory.swift
[12/15] Emitting module TestConcurrency
[13/15] Compiling TestConcurrency TestDispatchQueue.swift
[14/15] Compiling TestConcurrency Task.swift
[15/15] Compiling TestConcurrency TestTaskFactory.swift
Build complete! (6.09s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Concurrency",
  "name" : "Concurrency",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Concurrency",
      "targets" : [
        "Concurrency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "TestConcurrency",
      "targets" : [
        "TestConcurrency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TestConcurrency",
      "module_type" : "SwiftTarget",
      "name" : "TestConcurrency",
      "path" : "Sources/TestConcurrency",
      "product_memberships" : [
        "TestConcurrency"
      ],
      "sources" : [
        "Task.swift",
        "TestDispatchQueue.swift",
        "TestDispatchQueueFactory.swift",
        "TestTaskFactory.swift"
      ],
      "target_dependencies" : [
        "Concurrency"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ConcurrencyTests",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyTests",
      "path" : "Tests/ConcurrencyTests",
      "sources" : [
        "DispatchQueueFactoryTests.swift"
      ],
      "target_dependencies" : [
        "Concurrency"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Concurrency",
      "module_type" : "SwiftTarget",
      "name" : "Concurrency",
      "path" : "Sources/Concurrency",
      "product_memberships" : [
        "Concurrency",
        "TestConcurrency"
      ],
      "sources" : [
        "DispatchQueue/DispatchQueue+IDispatchQueue.swift",
        "DispatchQueue/IDispatchQueue.swift",
        "DispatchQueueFactory/DispatchQueueFactory.swift",
        "DispatchQueueFactory/IDispatchQueueFactory.swift",
        "TaskFactory/ITaskFactory.swift",
        "TaskFactory/TaskFactory.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.