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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 Decomposed, reference main (225ec7), with Swift 6.1 for iOS using Xcode 16.3 on 27 Apr 2025 07:18:00 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/b3ll/Decomposed.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/b3ll/Decomposed
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 225ec77 Fix swift-create-xcframeworks in create-release.yml
Cloned https://github.com/b3ll/Decomposed.git
Revision (git rev-parse @):
225ec7726a70ae586a5e0d65b450551d4f15b298
SUCCESS checkout https://github.com/b3ll/Decomposed.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/b3ll/Decomposed.git
https://github.com/b3ll/Decomposed.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Decomposed",
  "name" : "Decomposed",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Decomposed",
      "targets" : [
        "Decomposed"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DecomposedTests",
      "module_type" : "SwiftTarget",
      "name" : "DecomposedTests",
      "path" : "Tests/DecomposedTests",
      "sources" : [
        "DoubleTests.swift",
        "FloatTests.swift",
        "XCTestManifests.swift",
        "XCTestUtils.swift"
      ],
      "target_dependencies" : [
        "Decomposed"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Decomposed",
      "module_type" : "SwiftTarget",
      "name" : "Decomposed",
      "path" : "Sources/Decomposed",
      "product_memberships" : [
        "Decomposed"
      ],
      "sources" : [
        "CALayerExtensions.swift",
        "CATransform3DConvenienceExtensions.swift",
        "CATransform3DExtensions.swift",
        "CGFloatVectorTypes.swift",
        "Globals.swift",
        "Interpolatable.swift",
        "SIMDConvenienceExtensions.swift",
        "SIMDDecomposed.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
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" : [
  ],
  "manifest_display_name" : "Decomposed",
  "name" : "Decomposed",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Decomposed",
      "targets" : [
        "Decomposed"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DecomposedTests",
      "module_type" : "SwiftTarget",
      "name" : "DecomposedTests",
      "path" : "Tests/DecomposedTests",
      "sources" : [
        "DoubleTests.swift",
        "FloatTests.swift",
        "XCTestManifests.swift",
        "XCTestUtils.swift"
      ],
      "target_dependencies" : [
        "Decomposed"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Decomposed",
      "module_type" : "SwiftTarget",
      "name" : "Decomposed",
      "path" : "Sources/Decomposed",
      "product_memberships" : [
        "Decomposed"
      ],
      "sources" : [
        "CALayerExtensions.swift",
        "CATransform3DConvenienceExtensions.swift",
        "CATransform3DExtensions.swift",
        "CGFloatVectorTypes.swift",
        "Globals.swift",
        "Interpolatable.swift",
        "SIMDConvenienceExtensions.swift",
        "SIMDDecomposed.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Decomposed",
    "schemes" : [
      "Decomposed"
    ],
    "targets" : [
      "Decomposed",
      "DecomposedTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Decomposed -destination generic/platform=iOS 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 Decomposed -destination generic/platform=iOS "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 (1 target)
    Target 'Decomposed' in project 'Decomposed' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x objective-c -c /dev/null
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/ld -version_details
Build description signature: b46014e19f5fd52219d52f6e557674dc
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b46014e19f5fd52219d52f6e557674dc.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Decomposed.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "6TK23TLYP7" with a private key was found. (in target 'Decomposed' from project 'Decomposed')
** BUILD FAILED **
The following build commands failed:
	Building project Decomposed with scheme Decomposed
(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" : [
  ],
  "manifest_display_name" : "Decomposed",
  "name" : "Decomposed",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Decomposed",
      "targets" : [
        "Decomposed"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DecomposedTests",
      "module_type" : "SwiftTarget",
      "name" : "DecomposedTests",
      "path" : "Tests/DecomposedTests",
      "sources" : [
        "DoubleTests.swift",
        "FloatTests.swift",
        "XCTestManifests.swift",
        "XCTestUtils.swift"
      ],
      "target_dependencies" : [
        "Decomposed"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Decomposed",
      "module_type" : "SwiftTarget",
      "name" : "Decomposed",
      "path" : "Sources/Decomposed",
      "product_memberships" : [
        "Decomposed"
      ],
      "sources" : [
        "CALayerExtensions.swift",
        "CATransform3DConvenienceExtensions.swift",
        "CATransform3DExtensions.swift",
        "CGFloatVectorTypes.swift",
        "Globals.swift",
        "Interpolatable.swift",
        "SIMDConvenienceExtensions.swift",
        "SIMDDecomposed.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Decomposed",
    "schemes" : [
      "Decomposed"
    ],
    "targets" : [
      "Decomposed",
      "DecomposedTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Decomposed -destination generic/platform=iOS
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 Decomposed -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Decomposed' in project 'Decomposed' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x objective-c -c /dev/null
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/ld -version_details
Build description signature: a134dac5b8d7c38cd68796b2e33fc4d7
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a134dac5b8d7c38cd68796b2e33fc4d7.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Decomposed.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "6TK23TLYP7" with a private key was found. (in target 'Decomposed' from project 'Decomposed')
** BUILD FAILED **
The following build commands failed:
	Building project Decomposed with scheme Decomposed
(1 failure)
BUILD FAILURE 6.1 iOS