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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 RxEnumKit, reference master (a7572f), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 26 Apr 2025 07:08:59 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RxEnumKit -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/gringoireDM/RxEnumKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gringoireDM/RxEnumKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a7572f7 Merge pull request #3 from gringoireDM/rx_swift_6
Cloned https://github.com/gringoireDM/RxEnumKit.git
Revision (git rev-parse @):
a7572f7bcc69e458f74730098be97279a1b8c80f
SUCCESS checkout https://github.com/gringoireDM/RxEnumKit.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/gringoireDM/RxEnumKit.git
https://github.com/gringoireDM/RxEnumKit.git
{
  "dependencies" : [
    {
      "identity" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift.git"
    },
    {
      "identity" : "enumkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/gringoireDM/EnumKit.git"
    }
  ],
  "manifest_display_name" : "RxEnumKit",
  "name" : "RxEnumKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "RxEnumKit",
      "targets" : [
        "RxEnumKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RxEnumKitTests",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKitTests",
      "path" : "Tests/RxEnumKitTests",
      "product_dependencies" : [
        "RxTest"
      ],
      "sources" : [
        "CaptureTests.swift",
        "ExcludeTests.swift",
        "FilterTests.swift",
        "MapTests.swift",
        "MockCaseAccessible.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RxEnumKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RxEnumKit",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKit",
      "path" : "Sources/RxEnumKit",
      "product_dependencies" : [
        "EnumKit",
        "RxSwift",
        "RxCocoa"
      ],
      "product_memberships" : [
        "RxEnumKit"
      ],
      "sources" : [
        "ObservableType+CaseAccessible.swift",
        "SharedSequence+CaseAccessible.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift.git"
    },
    {
      "identity" : "enumkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/gringoireDM/EnumKit.git"
    }
  ],
  "manifest_display_name" : "RxEnumKit",
  "name" : "RxEnumKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "RxEnumKit",
      "targets" : [
        "RxEnumKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RxEnumKitTests",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKitTests",
      "path" : "Tests/RxEnumKitTests",
      "product_dependencies" : [
        "RxTest"
      ],
      "sources" : [
        "CaptureTests.swift",
        "ExcludeTests.swift",
        "FilterTests.swift",
        "MapTests.swift",
        "MockCaseAccessible.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RxEnumKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RxEnumKit",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKit",
      "path" : "Sources/RxEnumKit",
      "product_dependencies" : [
        "EnumKit",
        "RxSwift",
        "RxCocoa"
      ],
      "product_memberships" : [
        "RxEnumKit"
      ],
      "sources" : [
        "ObservableType+CaseAccessible.swift",
        "SharedSequence+CaseAccessible.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "RxEnumKit",
    "schemes" : [
      "RxEnumKit"
    ],
    "targets" : [
      "RxEnumKit",
      "RxEnumKitTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RxEnumKit -destination platform=macOS,arch=arm64 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 RxEnumKit -destination platform=macOS,arch=arm64 "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 'RxEnumKit' in project 'RxEnumKit' (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/MacOSX.platform/Developer/SDKs/MacOSX15.4.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/MacOSX.platform/Developer/SDKs/MacOSX15.4.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: cb75ef12d362e30d955a10a1f74613b4
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/cb75ef12d362e30d955a10a1f74613b4.xcbuilddata
/Users/admin/builder/spi-builder-workspace/RxEnumKit.xcodeproj:1:1: error: Unable to open base configuration reference file '/Users/admin/builder/spi-builder-workspace/Pods/Target Support Files/Pods-RxEnumKit/Pods-RxEnumKit.debug.xcconfig'. (in target 'RxEnumKit' from project 'RxEnumKit')
/Users/admin/builder/spi-builder-workspace/RxEnumKit.xcodeproj: warning: tasks in 'Copy Headers' are delayed by unsandboxed script phases; set ENABLE_USER_SCRIPT_SANDBOXING=YES to enable sandboxing (in target 'RxEnumKit' from project 'RxEnumKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:f79cb91279d40e3adceff7d59a2ceef22644429b, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:f79cb91279d40e3adceff7d59a2ceef22644429b, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project RxEnumKit with scheme RxEnumKit
(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" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift.git"
    },
    {
      "identity" : "enumkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/gringoireDM/EnumKit.git"
    }
  ],
  "manifest_display_name" : "RxEnumKit",
  "name" : "RxEnumKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "RxEnumKit",
      "targets" : [
        "RxEnumKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RxEnumKitTests",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKitTests",
      "path" : "Tests/RxEnumKitTests",
      "product_dependencies" : [
        "RxTest"
      ],
      "sources" : [
        "CaptureTests.swift",
        "ExcludeTests.swift",
        "FilterTests.swift",
        "MapTests.swift",
        "MockCaseAccessible.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RxEnumKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RxEnumKit",
      "module_type" : "SwiftTarget",
      "name" : "RxEnumKit",
      "path" : "Sources/RxEnumKit",
      "product_dependencies" : [
        "EnumKit",
        "RxSwift",
        "RxCocoa"
      ],
      "product_memberships" : [
        "RxEnumKit"
      ],
      "sources" : [
        "ObservableType+CaseAccessible.swift",
        "SharedSequence+CaseAccessible.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "RxEnumKit",
    "schemes" : [
      "RxEnumKit"
    ],
    "targets" : [
      "RxEnumKit",
      "RxEnumKitTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RxEnumKit -destination platform=macOS,arch=arm64
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 RxEnumKit -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'RxEnumKit' in project 'RxEnumKit' (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/MacOSX.platform/Developer/SDKs/MacOSX15.4.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/MacOSX.platform/Developer/SDKs/MacOSX15.4.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: 3f4895a6c68a0c7a98e2f2817415a171
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3f4895a6c68a0c7a98e2f2817415a171.xcbuilddata
/Users/admin/builder/spi-builder-workspace/RxEnumKit.xcodeproj:1:1: error: Unable to open base configuration reference file '/Users/admin/builder/spi-builder-workspace/Pods/Target Support Files/Pods-RxEnumKit/Pods-RxEnumKit.debug.xcconfig'. (in target 'RxEnumKit' from project 'RxEnumKit')
/Users/admin/builder/spi-builder-workspace/RxEnumKit.xcodeproj: warning: tasks in 'Copy Headers' are delayed by unsandboxed script phases; set ENABLE_USER_SCRIPT_SANDBOXING=YES to enable sandboxing (in target 'RxEnumKit' from project 'RxEnumKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:f79cb91279d40e3adceff7d59a2ceef22644429b, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:f79cb91279d40e3adceff7d59a2ceef22644429b, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project RxEnumKit with scheme RxEnumKit
(1 failure)
BUILD FAILURE 6.1 macosXcodebuild