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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

Failed to build Builder, reference main (778668), with Swift 6.1 for tvOS using Xcode 16.3 on 26 Apr 2025 10:53:08 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Builder-Package -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/Builder.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/elegantchaos/Builder
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 778668b Update README.md
Cloned https://github.com/elegantchaos/Builder.git
Revision (git rev-parse @):
778668bb58d0bdc85dfb2027219bd538e9a8ffc0
SUCCESS checkout https://github.com/elegantchaos/Builder.git at main
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/elegantchaos/Builder.git
https://github.com/elegantchaos/Builder.git
{
  "dependencies" : [
    {
      "identity" : "logger",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Logger.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "Builder",
  "name" : "Builder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "builder",
      "targets" : [
        "Builder"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BuilderTests",
      "module_type" : "SwiftTarget",
      "name" : "BuilderTests",
      "path" : "Tests/BuilderTests",
      "sources" : [
        "BuilderTests.swift"
      ],
      "target_dependencies" : [
        "Builder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BuilderCore",
      "module_type" : "SwiftTarget",
      "name" : "BuilderCore",
      "path" : "Sources/BuilderCore",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "BuildAction.swift",
        "Builder.swift",
        "BuilderActions.swift",
        "Configuration.swift",
        "Failure.swift",
        "MetadataAction.swift",
        "MetafileAction.swift",
        "Platform.swift",
        "RunAction.swift",
        "SemanticVersion.swift",
        "Settings.swift",
        "SettingsMapper.swift",
        "SettingsValue.swift",
        "StringExtensions.swift",
        "SwiftSettingsMapper.swift",
        "XCConfigSettingsMapper.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Builder",
      "module_type" : "SwiftTarget",
      "name" : "Builder",
      "path" : "Sources/Builder",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "BuilderCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.2"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "logger",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Logger.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "Builder",
  "name" : "Builder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "builder",
      "targets" : [
        "Builder"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BuilderTests",
      "module_type" : "SwiftTarget",
      "name" : "BuilderTests",
      "path" : "Tests/BuilderTests",
      "sources" : [
        "BuilderTests.swift"
      ],
      "target_dependencies" : [
        "Builder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BuilderCore",
      "module_type" : "SwiftTarget",
      "name" : "BuilderCore",
      "path" : "Sources/BuilderCore",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "BuildAction.swift",
        "Builder.swift",
        "BuilderActions.swift",
        "Configuration.swift",
        "Failure.swift",
        "MetadataAction.swift",
        "MetafileAction.swift",
        "Platform.swift",
        "RunAction.swift",
        "SemanticVersion.swift",
        "Settings.swift",
        "SettingsMapper.swift",
        "SettingsValue.swift",
        "StringExtensions.swift",
        "SwiftSettingsMapper.swift",
        "XCConfigSettingsMapper.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Builder",
      "module_type" : "SwiftTarget",
      "name" : "Builder",
      "path" : "Sources/Builder",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "BuilderCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Builder",
    "schemes" : [
      "build",
      "Builder-Package",
      "BuilderCommand",
      "BuilderPackageDescription",
      "BuilderPackageTests",
      "DocoptPackageDescription",
      "LoggerPackageDescription"
    ],
    "targets" : [
      "Builder",
      "BuilderCommand",
      "BuilderPackageDescription",
      "BuilderPackageTests",
      "BuilderTests",
      "Docopt",
      "DocoptPackageDescription",
      "Logger",
      "LoggerPackageDescription",
      "build"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Builder-Package -destination generic/platform=tvOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Builder-Package -destination generic/platform=tvOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'BuilderCommand' in project 'Builder'
        ➜ Explicit dependency on target 'Builder' in project 'Builder'
        ➜ Explicit dependency on target 'Logger' in project 'Builder'
        ➜ Explicit dependency on target 'Docopt' in project 'Builder'
    Target 'Builder' in project 'Builder'
        ➜ Explicit dependency on target 'Logger' in project 'Builder'
        ➜ Explicit dependency on target 'Docopt' in project 'Builder'
    Target 'Docopt' in project 'Builder' (no dependencies)
    Target 'Logger' in project 'Builder' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: c827e5021bf219cb350cc5bd3a85df54
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c827e5021bf219cb350cc5bd3a85df54.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Builder.xcodeproj: error: Signing for "BuilderCommand" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'BuilderCommand' from project 'Builder')
** BUILD FAILED **
The following build commands failed:
	Building project Builder with scheme Builder-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "logger",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Logger.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "Builder",
  "name" : "Builder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "builder",
      "targets" : [
        "Builder"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BuilderTests",
      "module_type" : "SwiftTarget",
      "name" : "BuilderTests",
      "path" : "Tests/BuilderTests",
      "sources" : [
        "BuilderTests.swift"
      ],
      "target_dependencies" : [
        "Builder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BuilderCore",
      "module_type" : "SwiftTarget",
      "name" : "BuilderCore",
      "path" : "Sources/BuilderCore",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "BuildAction.swift",
        "Builder.swift",
        "BuilderActions.swift",
        "Configuration.swift",
        "Failure.swift",
        "MetadataAction.swift",
        "MetafileAction.swift",
        "Platform.swift",
        "RunAction.swift",
        "SemanticVersion.swift",
        "Settings.swift",
        "SettingsMapper.swift",
        "SettingsValue.swift",
        "StringExtensions.swift",
        "SwiftSettingsMapper.swift",
        "XCConfigSettingsMapper.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Builder",
      "module_type" : "SwiftTarget",
      "name" : "Builder",
      "path" : "Sources/Builder",
      "product_dependencies" : [
        "ArgumentParser",
        "Logger"
      ],
      "product_memberships" : [
        "builder"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "BuilderCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Builder",
    "schemes" : [
      "build",
      "Builder-Package",
      "BuilderCommand",
      "BuilderPackageDescription",
      "BuilderPackageTests",
      "DocoptPackageDescription",
      "LoggerPackageDescription"
    ],
    "targets" : [
      "Builder",
      "BuilderCommand",
      "BuilderPackageDescription",
      "BuilderPackageTests",
      "BuilderTests",
      "Docopt",
      "DocoptPackageDescription",
      "Logger",
      "LoggerPackageDescription",
      "build"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Builder-Package -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Builder-Package -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'BuilderCommand' in project 'Builder'
        ➜ Explicit dependency on target 'Builder' in project 'Builder'
        ➜ Explicit dependency on target 'Logger' in project 'Builder'
        ➜ Explicit dependency on target 'Docopt' in project 'Builder'
    Target 'Builder' in project 'Builder'
        ➜ Explicit dependency on target 'Logger' in project 'Builder'
        ➜ Explicit dependency on target 'Docopt' in project 'Builder'
    Target 'Docopt' in project 'Builder' (no dependencies)
    Target 'Logger' in project 'Builder' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 56994e2575de0cd35c673d0f899274b4
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/56994e2575de0cd35c673d0f899274b4.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Builder.xcodeproj: error: Signing for "BuilderCommand" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'BuilderCommand' from project 'Builder')
** BUILD FAILED **
The following build commands failed:
	Building project Builder with scheme Builder-Package
(1 failure)
BUILD FAILURE 6.1 tvOS