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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 CAtomics with Swift 6.0 for visionOS using Xcode 16.0.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme CAtomics -destination generic/platform=xros OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/glessard/CAtomics.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/glessard/CAtomics
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 411cfd3 fix mistake in Swift 4.0 compatibility manifest
Cloned https://github.com/glessard/CAtomics.git
Revision (git rev-parse @):
411cfd34a92cc892c3c8b196038596b24255d1c5
SUCCESS checkout https://github.com/glessard/CAtomics.git at main
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.0
Building package at path:  $workDir
https://github.com/glessard/CAtomics.git
Command line invocation:
    /Applications/Xcode-15.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportToolchainOverrideForManifestLoading = org.swift.600202405261a
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    TOOLCHAINS = org.swift.600202405261a
Resolve Package Graph
Resolved source packages:
  CAtomics: /Users/admin/builder/spi-builder-workspace
resolved source packages: CAtomics
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CAtomics",
  "name" : "CAtomics",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CAtomics",
      "targets" : [
        "CAtomics"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "3",
    "4",
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CAtomicsTests",
      "module_type" : "SwiftTarget",
      "name" : "CAtomicsTests",
      "path" : "Tests/CAtomicsTests",
      "sources" : [
        "CAtomicsRaceTests.swift",
        "CAtomicsReferenceTests.swift",
        "CAtomicsTests.swift",
        "MemoryOrderTests.swift",
        "RandomPositive.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CAtomics"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CAtomics",
      "module_type" : "ClangTarget",
      "name" : "CAtomics",
      "path" : "Sources/CAtomics",
      "product_memberships" : [
        "CAtomics"
      ],
      "sources" : [
        "CAtomics.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CAtomics"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme CAtomics -destination generic/platform=xros OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete
Command line invocation:
    /Applications/Xcode-15.3.0.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 CAtomics -destination generic/platform=xros "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportToolchainOverrideForManifestLoading = org.swift.600202405261a
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete
    TOOLCHAINS = org.swift.600202405261a
Resolve Package Graph
Resolved source packages:
  CAtomics: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'CAtomics' in project 'CAtomics'
        ➜ Explicit dependency on target 'CAtomics' in project 'CAtomics'
    Target 'CAtomics' in project 'CAtomics' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk -x c -c /dev/null
ExecuteExternalTool /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk -x c -c /dev/null
ExecuteExternalTool /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/ld -version_details
Build description signature: 2286fb525b6b5cf7437d6f81ae19e7b4
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2286fb525b6b5cf7437d6f81ae19e7b4.xcbuilddata
note: Using global toolchain override 'Swift 6.0 Development Snapshot 2024-05-26 (a)'.
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
note: Using global toolchain override 'Swift 6.0 Development Snapshot 2024-05-26 (a)'. (in target 'CAtomics' from project 'CAtomics')
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/CAtomics.modulemap (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/CAtomics.modulemap
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/CAtomics.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/CAtomics.modulemap (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/CAtomics.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.LinkFileList (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp
-target arm64-apple-xros1.0 -fmodules -gmodules '-fmodules-cache-path=/Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex' '-fmodule-name=CAtomics' -fpascal-strings -O0 -DSWIFT_PACKAGE '-DDEBUG=1' -isysroot /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk -g -fprofile-instr-generate -fcoverage-mapping -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -I/Users/admin/builder/spi-builder-workspace/Sources/CAtomics/include -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/DerivedSources-normal/arm64 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/DerivedSources/arm64 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/DerivedSources -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -iframework /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -iframework /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk/Developer/Library/Frameworks -DXcode
CompileC /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.o /Users/admin/builder/spi-builder-workspace/Sources/CAtomics/CAtomics.c normal arm64 c com.apple.compilers.llvm.clang.1_0.compiler (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/clang -x c -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fno-color-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.dia -c /Users/admin/builder/spi-builder-workspace/Sources/CAtomics/CAtomics.c -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.o -index-unit-output-path /CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.o
Ld /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/CAtomics.o normal (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/clang -Xlinker -reproducible -target arm64-apple-xros1.0 -r -isysroot /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk -O0 -L/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros -L/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -L/Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -iframework /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -iframework /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS1.1.sdk/Developer/Library/Frameworks -filelist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics.LinkFileList -nostdlib -Xlinker -object_path_lto -Xlinker /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics_lto.o -Xlinker -export_dynamic -Xlinker -no_deduplicate -Xlinker -debug_variant -Xlinker -dependency_info -Xlinker /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CAtomics.build/Debug-xros/CAtomics.build/Objects-normal/arm64/CAtomics_dependency_info.dat -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/CAtomics.o
RegisterExecutionPolicyException /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/CAtomics.o (in target 'CAtomics' from project 'CAtomics')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-RegisterExecutionPolicyException /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/CAtomics.o
note: Using global toolchain override 'Swift 6.0 Development Snapshot 2024-05-26 (a)'. (in target 'CAtomics' from project 'CAtomics')
** BUILD SUCCEEDED **
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CAtomics",
  "name" : "CAtomics",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CAtomics",
      "targets" : [
        "CAtomics"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "3",
    "4",
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CAtomicsTests",
      "module_type" : "SwiftTarget",
      "name" : "CAtomicsTests",
      "path" : "Tests/CAtomicsTests",
      "sources" : [
        "CAtomicsRaceTests.swift",
        "CAtomicsReferenceTests.swift",
        "CAtomicsTests.swift",
        "MemoryOrderTests.swift",
        "RandomPositive.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CAtomics"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CAtomics",
      "module_type" : "ClangTarget",
      "name" : "CAtomics",
      "path" : "Sources/CAtomics",
      "product_memberships" : [
        "CAtomics"
      ],
      "sources" : [
        "CAtomics.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.