Kyu – Build Information – Swift Package Index

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 Kyu, reference master (4d439e), with Swift 6.1 for iOS using Xcode 16.3 on 26 Apr 2025 19:55:15 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/reddavis/Kyu.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/reddavis/Kyu
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4d439ef Add MIT license
Cloned https://github.com/reddavis/Kyu.git
Revision (git rev-parse @):
4d439ef25834eafcd2a10d86d0cbe9db126f8604
SUCCESS checkout https://github.com/reddavis/Kyu.git at master
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/reddavis/Kyu.git
https://github.com/reddavis/Kyu.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Kyu",
  "name" : "Kyu",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Kyu",
      "targets" : [
        "Kyu"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KyuTests",
      "module_type" : "SwiftTarget",
      "name" : "KyuTests",
      "path" : "KyuTests",
      "sources" : [
        "Source/AppendNewLineJob.swift",
        "Source/Assertions.swift",
        "Source/Tests/DirectoryTests.swift",
        "Source/Tests/KyuTests.swift"
      ],
      "target_dependencies" : [
        "Kyu"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kyu",
      "module_type" : "SwiftTarget",
      "name" : "Kyu",
      "path" : "Kyu",
      "product_memberships" : [
        "Kyu"
      ],
      "sources" : [
        "Source/Directory.swift",
        "Source/Job.swift",
        "Source/Kyu.swift",
        "Source/Logger.swift",
        "Source/Runner.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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" : "Kyu",
  "name" : "Kyu",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Kyu",
      "targets" : [
        "Kyu"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KyuTests",
      "module_type" : "SwiftTarget",
      "name" : "KyuTests",
      "path" : "KyuTests",
      "sources" : [
        "Source/AppendNewLineJob.swift",
        "Source/Assertions.swift",
        "Source/Tests/DirectoryTests.swift",
        "Source/Tests/KyuTests.swift"
      ],
      "target_dependencies" : [
        "Kyu"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kyu",
      "module_type" : "SwiftTarget",
      "name" : "Kyu",
      "path" : "Kyu",
      "product_memberships" : [
        "Kyu"
      ],
      "sources" : [
        "Source/Directory.swift",
        "Source/Job.swift",
        "Source/Kyu.swift",
        "Source/Logger.swift",
        "Source/Runner.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Kyu",
    "schemes" : [
      "Kyu"
    ],
    "targets" : [
      "Kyu",
      "KyuTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Kyu -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 Kyu -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 'Kyu' in project 'Kyu' (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/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 404239dd677d65b80823cde73cf58ab7
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/404239dd677d65b80823cde73cf58ab7.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Kyu.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "CF43K35J9C" with a private key was found. (in target 'Kyu' from project 'Kyu')
** BUILD FAILED **
The following build commands failed:
	Building project Kyu with scheme Kyu
(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" : "Kyu",
  "name" : "Kyu",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Kyu",
      "targets" : [
        "Kyu"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KyuTests",
      "module_type" : "SwiftTarget",
      "name" : "KyuTests",
      "path" : "KyuTests",
      "sources" : [
        "Source/AppendNewLineJob.swift",
        "Source/Assertions.swift",
        "Source/Tests/DirectoryTests.swift",
        "Source/Tests/KyuTests.swift"
      ],
      "target_dependencies" : [
        "Kyu"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kyu",
      "module_type" : "SwiftTarget",
      "name" : "Kyu",
      "path" : "Kyu",
      "product_memberships" : [
        "Kyu"
      ],
      "sources" : [
        "Source/Directory.swift",
        "Source/Job.swift",
        "Source/Kyu.swift",
        "Source/Logger.swift",
        "Source/Runner.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Kyu",
    "schemes" : [
      "Kyu"
    ],
    "targets" : [
      "Kyu",
      "KyuTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Kyu -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 Kyu -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Kyu' in project 'Kyu' (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/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: af16b3401938bcc7a9f77f3664574a24
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/af16b3401938bcc7a9f77f3664574a24.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Kyu.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "CF43K35J9C" with a private key was found. (in target 'Kyu' from project 'Kyu')
** BUILD FAILED **
The following build commands failed:
	Building project Kyu with scheme Kyu
(1 failure)
BUILD FAILURE 6.1 iOS