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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 ActionBuilderCore, reference v2.0.0 (dd50ff), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 08:14:00 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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/ActionBuilderCore.git
Reference: v2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/elegantchaos/ActionBuilderCore
 * tag               v2.0.0     -> FETCH_HEAD
HEAD is now at dd50ffd Fixed string tests
Cloned https://github.com/elegantchaos/ActionBuilderCore.git
Revision (git rev-parse @):
dd50ffd847ed3dc23fbeb9f3df17cc0aaa4e4c7d
SUCCESS checkout https://github.com/elegantchaos/ActionBuilderCore.git at v2.0.0
Fetching https://github.com/elegantchaos/ChaosByteStreams
Fetching https://github.com/elegantchaos/Versionator
Fetching https://github.com/elegantchaos/Runner
Fetching https://github.com/elegantchaos/SemanticVersion
Fetching https://github.com/elegantchaos/ChaosTesting
[1/116] Fetching chaosbytestreams
[117/268] Fetching chaosbytestreams, semanticversion
[263/944] Fetching chaosbytestreams, semanticversion, runner
[399/974] Fetching chaosbytestreams, semanticversion, runner, chaostesting
Fetched https://github.com/elegantchaos/ChaosTesting from cache (0.82s)
Fetched https://github.com/elegantchaos/SemanticVersion from cache (0.82s)
[793/1176] Fetching chaosbytestreams, runner, versionator
Fetched https://github.com/elegantchaos/Runner from cache (1.25s)
Fetched https://github.com/elegantchaos/ChaosByteStreams from cache (1.25s)
Fetched https://github.com/elegantchaos/Versionator from cache (1.25s)
Computing version for https://github.com/elegantchaos/ChaosTesting
Computed https://github.com/elegantchaos/ChaosTesting at 1.0.1 (1.74s)
Computing version for https://github.com/elegantchaos/Versionator.git
Computed https://github.com/elegantchaos/Versionator.git at 2.0.2 (0.48s)
Computing version for https://github.com/elegantchaos/SemanticVersion.git
Computed https://github.com/elegantchaos/SemanticVersion.git at 1.1.0 (0.91s)
Computing version for https://github.com/elegantchaos/Runner.git
Computed https://github.com/elegantchaos/Runner.git at 2.0.6 (0.46s)
Computing version for https://github.com/elegantchaos/ChaosByteStreams.git
Computed https://github.com/elegantchaos/ChaosByteStreams.git at 1.0.0 (0.47s)
Creating working copy for https://github.com/elegantchaos/ChaosByteStreams
Working copy of https://github.com/elegantchaos/ChaosByteStreams resolved at 1.0.0
Creating working copy for https://github.com/elegantchaos/ChaosTesting
Working copy of https://github.com/elegantchaos/ChaosTesting resolved at 1.0.1
Creating working copy for https://github.com/elegantchaos/SemanticVersion
Working copy of https://github.com/elegantchaos/SemanticVersion resolved at 1.1.0
Creating working copy for https://github.com/elegantchaos/Runner
Working copy of https://github.com/elegantchaos/Runner resolved at 2.0.6
Creating working copy for https://github.com/elegantchaos/Versionator
Working copy of https://github.com/elegantchaos/Versionator resolved at 2.0.2
========================================
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": "actionbuildercore",
      "name": "ActionBuilderCore",
      "url": "https://github.com/elegantchaos/ActionBuilderCore.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ActionBuilderCore",
      "dependencies": [
        {
          "identity": "chaosbytestreams",
          "name": "ChaosByteStreams",
          "url": "https://github.com/elegantchaos/ChaosByteStreams.git",
          "version": "1.0.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ChaosByteStreams",
          "dependencies": [
          ]
        },
        {
          "identity": "runner",
          "name": "Runner",
          "url": "https://github.com/elegantchaos/Runner.git",
          "version": "2.1.3",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Runner",
          "dependencies": [
            {
              "identity": "chaosbytestreams",
              "name": "ChaosByteStreams",
              "url": "https://github.com/elegantchaos/ChaosByteStreams.git",
              "version": "1.0.6",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ChaosByteStreams",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "semanticversion",
          "name": "SemanticVersion",
          "url": "https://github.com/elegantchaos/SemanticVersion.git",
          "version": "1.1.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SemanticVersion",
          "dependencies": [
          ]
        },
        {
          "identity": "versionator",
          "name": "Versionator",
          "url": "https://github.com/elegantchaos/Versionator.git",
          "version": "2.0.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Versionator",
          "dependencies": [
            {
              "identity": "runner",
              "name": "Runner",
              "url": "https://github.com/elegantchaos/Runner.git",
              "version": "2.1.3",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Runner",
              "dependencies": [
                {
                  "identity": "chaosbytestreams",
                  "name": "ChaosByteStreams",
                  "url": "https://github.com/elegantchaos/ChaosByteStreams.git",
                  "version": "1.0.6",
                  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ChaosByteStreams",
                  "dependencies": [
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/elegantchaos/ActionBuilderCore.git
[1/462] Fetching actionbuildercore
Fetched https://github.com/elegantchaos/ActionBuilderCore.git from cache (0.68s)
Fetching https://github.com/elegantchaos/Versionator.git from cache
Fetching https://github.com/elegantchaos/ChaosByteStreams.git from cache
Fetching https://github.com/elegantchaos/SemanticVersion.git from cache
Fetching https://github.com/elegantchaos/Runner.git from cache
Fetched https://github.com/elegantchaos/SemanticVersion.git from cache (0.48s)
Fetched https://github.com/elegantchaos/Runner.git from cache (1.18s)
Fetched https://github.com/elegantchaos/Versionator.git from cache (1.18s)
Fetched https://github.com/elegantchaos/ChaosByteStreams.git from cache (1.19s)
Computing version for https://github.com/elegantchaos/SemanticVersion.git
Computed https://github.com/elegantchaos/SemanticVersion.git at 1.1.2 (1.74s)
Computing version for https://github.com/elegantchaos/Versionator.git
Computed https://github.com/elegantchaos/Versionator.git at 2.0.6 (0.46s)
Computing version for https://github.com/elegantchaos/Runner.git
Computed https://github.com/elegantchaos/Runner.git at 2.1.3 (0.47s)
Computing version for https://github.com/elegantchaos/ChaosByteStreams.git
Computed https://github.com/elegantchaos/ChaosByteStreams.git at 1.0.6 (0.46s)
Creating working copy for https://github.com/elegantchaos/Versionator.git
Working copy of https://github.com/elegantchaos/Versionator.git resolved at 2.0.6
Creating working copy for https://github.com/elegantchaos/ChaosByteStreams.git
Working copy of https://github.com/elegantchaos/ChaosByteStreams.git resolved at 1.0.6
Creating working copy for https://github.com/elegantchaos/SemanticVersion.git
Working copy of https://github.com/elegantchaos/SemanticVersion.git resolved at 1.1.2
Creating working copy for https://github.com/elegantchaos/Runner.git
Working copy of https://github.com/elegantchaos/Runner.git resolved at 2.1.3
Creating working copy for https://github.com/elegantchaos/ActionBuilderCore.git
Working copy of https://github.com/elegantchaos/ActionBuilderCore.git resolved at v2.0.0 (dd50ffd)
Found 4 product dependencies
  - ChaosByteStreams
  - Runner
  - SemanticVersion
  - Versionator
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/elegantchaos/ActionBuilderCore.git
https://github.com/elegantchaos/ActionBuilderCore.git
{
  "dependencies" : [
    {
      "identity" : "chaosbytestreams",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/ChaosByteStreams.git"
    },
    {
      "identity" : "runner",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.6",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Runner.git"
    },
    {
      "identity" : "semanticversion",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/SemanticVersion.git"
    },
    {
      "identity" : "versionator",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.2",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Versionator.git"
    },
    {
      "identity" : "chaostesting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/ChaosTesting"
    }
  ],
  "manifest_display_name" : "ActionBuilderCore",
  "name" : "ActionBuilderCore",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "ActionBuilderCore",
      "targets" : [
        "ActionBuilderCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "ActionBuilderTool",
      "targets" : [
        "ActionBuilderTool"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ActionBuilderTool",
      "module_type" : "SwiftTarget",
      "name" : "ActionBuilderTool",
      "path" : "Sources/ActionBuilderTool",
      "product_dependencies" : [
        "ChaosByteStreams",
        "VersionatorPlugin"
      ],
      "product_memberships" : [
        "ActionBuilderTool"
      ],
      "sources" : [
        "ActionBuilderTool.swift"
      ],
      "target_dependencies" : [
        "ActionBuilderCore"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ActionBuilderCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "ActionBuilderCoreTests",
      "path" : "Tests/ActionBuilderCoreTests",
      "product_dependencies" : [
        "ChaosTesting"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-config.package",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-mac.package",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-multi.package",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "ActionBuilderCoreTests.swift"
      ],
      "target_dependencies" : [
        "ActionBuilderCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ActionBuilderCore",
      "module_type" : "SwiftTarget",
      "name" : "ActionBuilderCore",
      "path" : "Sources/ActionBuilderCore",
      "product_dependencies" : [
        "Runner",
        "SemanticVersion"
      ],
      "product_memberships" : [
        "ActionBuilderCore",
        "ActionBuilderTool"
      ],
      "sources" : [
        "CaseInsensitiveRawRepresentable.swift",
        "Compiler.swift",
        "Configuration.swift",
        "Generator.swift",
        "GitInfo.swift",
        "Github.swift",
        "JSONDictionary.swift",
        "Option.swift",
        "PackageInfo.swift",
        "Platform.swift",
        "Repo+SPM.swift",
        "Repo.swift",
        "Settings.swift",
        "TargetInfo.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
[0/9] Write sources
[3/9] Write VersionatorTool-tool-entitlement.plist
[5/9] Write swift-version-2F0A5646E1D333AE.txt
[7/15] Compiling VersionatorUtils String+AsyncSequence.swift
[8/15] Emitting module VersionatorUtils
[9/15] Compiling ChaosByteStreams Pipe+AsyncBytes.swift
[10/15] Emitting module ChaosByteStreams
[11/15] Compiling ChaosByteStreams String+ByteStreams.swift
[12/15] Compiling ChaosByteStreams Data+ByteStreams.swift
[13/19] Compiling Runner URL+SystemPath.swift
[14/19] Emitting module Runner
[15/19] Compiling Runner Runner.swift
[16/19] Compiling Runner RunState.swift
[17/21] Compiling VersionatorTool VersionatorTool.swift
[18/21] Emitting module VersionatorTool
[18/21] Write Objects.LinkFileList
[19/21] Linking VersionatorTool-tool
[20/21] Applying VersionatorTool-tool
[1/1] Compiling plugin VersionatorPlugin
Building for debugging...
[1/18] Write sources
[5/18] Write ActionBuilderTool-entitlement.plist
[6/18] Write sources
[10/18] Write swift-version-2F0A5646E1D333AE.txt
[12/24] Emitting module SemanticVersion
[13/24] Compiling SemanticVersion SemanticVersion.swift
[14/24] Emitting module ChaosByteStreams
[15/24] Compiling ChaosByteStreams String+ByteStreams.swift
[16/24] Compiling ChaosByteStreams Data+ByteStreams.swift
[17/24] Compiling ChaosByteStreams Pipe+AsyncBytes.swift
[17/24] Write Objects.LinkFileList
[19/28] Compiling Runner RunState.swift
[20/28] Compiling Runner URL+SystemPath.swift
[21/28] Compiling Runner Runner.swift
[22/28] Emitting module Runner
[22/28] Linking VersionatorTool-tool
[23/42] Calculating Version
[24/42] Write sources
[26/42] Compiling ActionBuilderCore Settings.swift
[27/42] Compiling ActionBuilderCore Repo+SPM.swift
[28/42] Compiling ActionBuilderCore JSONDictionary.swift
[29/42] Compiling ActionBuilderCore Option.swift
[30/42] Compiling ActionBuilderCore Platform.swift
[31/42] Compiling ActionBuilderCore PackageInfo.swift
[32/42] Compiling ActionBuilderCore Configuration.swift
[33/42] Compiling ActionBuilderCore Generator.swift
[34/42] Compiling ActionBuilderCore Repo.swift
[35/43] Compiling ActionBuilderCore CaseInsensitiveRawRepresentable.swift
[36/43] Compiling ActionBuilderCore Compiler.swift
[37/43] Emitting module ActionBuilderCore
[38/43] Compiling ActionBuilderCore GitInfo.swift
[39/43] Compiling ActionBuilderCore Github.swift
[40/43] Compiling ActionBuilderCore TargetInfo.swift
[41/46] Compiling ActionBuilderTool Version.generated.swift
[42/46] Emitting module ActionBuilderTool
[43/46] Compiling ActionBuilderTool ActionBuilderTool.swift
[43/46] Write Objects.LinkFileList
[44/46] Linking ActionBuilderTool
[45/46] Applying ActionBuilderTool
Build complete! (13.19s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "chaosbytestreams",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/ChaosByteStreams.git"
    },
    {
      "identity" : "runner",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.6",
            "upper_bound" : "3.0.0"
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        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Runner.git"
    },
    {
      "identity" : "semanticversion",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/SemanticVersion.git"
    },
    {
      "identity" : "versionator",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.2",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Versionator.git"
    },
    {
      "identity" : "chaostesting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/ChaosTesting"
    }
  ],
  "manifest_display_name" : "ActionBuilderCore",
  "name" : "ActionBuilderCore",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "ActionBuilderCore",
      "targets" : [
        "ActionBuilderCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "ActionBuilderTool",
      "targets" : [
        "ActionBuilderTool"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ActionBuilderTool",
      "module_type" : "SwiftTarget",
      "name" : "ActionBuilderTool",
      "path" : "Sources/ActionBuilderTool",
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        "ChaosByteStreams",
        "VersionatorPlugin"
      ],
      "product_memberships" : [
        "ActionBuilderTool"
      ],
      "sources" : [
        "ActionBuilderTool.swift"
      ],
      "target_dependencies" : [
        "ActionBuilderCore"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ActionBuilderCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "ActionBuilderCoreTests",
      "path" : "Tests/ActionBuilderCoreTests",
      "product_dependencies" : [
        "ChaosTesting"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-config.package",
          "rule" : {
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        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-mac.package",
          "rule" : {
            "copy" : {
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        },
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          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/ActionBuilderCoreTests/Resources/Example-multi.package",
          "rule" : {
            "copy" : {
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      ],
      "sources" : [
        "ActionBuilderCoreTests.swift"
      ],
      "target_dependencies" : [
        "ActionBuilderCore"
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      "type" : "test"
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    {
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      "module_type" : "SwiftTarget",
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      "path" : "Sources/ActionBuilderCore",
      "product_dependencies" : [
        "Runner",
        "SemanticVersion"
      ],
      "product_memberships" : [
        "ActionBuilderCore",
        "ActionBuilderTool"
      ],
      "sources" : [
        "CaseInsensitiveRawRepresentable.swift",
        "Compiler.swift",
        "Configuration.swift",
        "Generator.swift",
        "GitInfo.swift",
        "Github.swift",
        "JSONDictionary.swift",
        "Option.swift",
        "PackageInfo.swift",
        "Platform.swift",
        "Repo+SPM.swift",
        "Repo.swift",
        "Settings.swift",
        "TargetInfo.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.