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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 Kuery, reference master (d20e34), with Swift 6.1 for watchOS using Xcode 16.3 on 25 Apr 2025 04:58:00 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kishikawakatsumi/Kuery.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kishikawakatsumi/Kuery
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d20e34f Update README.md
Cloned https://github.com/kishikawakatsumi/Kuery.git
Revision (git rev-parse @):
d20e34fa5600e7b905e08ce422a2116270e37864
SUCCESS checkout https://github.com/kishikawakatsumi/Kuery.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/kishikawakatsumi/Kuery.git
https://github.com/kishikawakatsumi/Kuery.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Kuery",
  "name" : "Kuery",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Kuery",
      "targets" : [
        "Kuery"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KueryTests",
      "module_type" : "SwiftTarget",
      "name" : "KueryTests",
      "path" : "Tests/KueryTests",
      "sources" : [
        "Dog+CoreDataClass.swift",
        "Dog+CoreDataProperties.swift",
        "OptionalTestObject+CoreDataClass.swift",
        "OptionalTestObject+CoreDataProperties.swift",
        "Person+CoreDataClass.swift",
        "Person+CoreDataProperties.swift",
        "TestObject+CoreDataClass.swift",
        "TestObject+CoreDataProperties.swift",
        "Tests.swift"
      ],
      "target_dependencies" : [
        "Kuery"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kuery",
      "module_type" : "SwiftTarget",
      "name" : "Kuery",
      "path" : "Sources/Kuery",
      "product_memberships" : [
        "Kuery"
      ],
      "sources" : [
        "ManagedObjectProperty.swift",
        "Operator.swift",
        "Predicate.swift",
        "Query.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
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" : [
  ],
  "manifest_display_name" : "Kuery",
  "name" : "Kuery",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Kuery",
      "targets" : [
        "Kuery"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KueryTests",
      "module_type" : "SwiftTarget",
      "name" : "KueryTests",
      "path" : "Tests/KueryTests",
      "sources" : [
        "Dog+CoreDataClass.swift",
        "Dog+CoreDataProperties.swift",
        "OptionalTestObject+CoreDataClass.swift",
        "OptionalTestObject+CoreDataProperties.swift",
        "Person+CoreDataClass.swift",
        "Person+CoreDataProperties.swift",
        "TestObject+CoreDataClass.swift",
        "TestObject+CoreDataProperties.swift",
        "Tests.swift"
      ],
      "target_dependencies" : [
        "Kuery"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kuery",
      "module_type" : "SwiftTarget",
      "name" : "Kuery",
      "path" : "Sources/Kuery",
      "product_memberships" : [
        "Kuery"
      ],
      "sources" : [
        "ManagedObjectProperty.swift",
        "Operator.swift",
        "Predicate.swift",
        "Query.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Kuery",
    "schemes" : [
      "Kuery"
    ],
    "targets" : [
      "Kuery",
      "KueryTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Kuery -destination generic/platform=watchOS 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 Kuery -destination generic/platform=watchOS "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 'Kuery' in project 'Kuery' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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_32 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
Build description signature: 129566c0ee84dce606ff5c8cc9facd8e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/129566c0ee84dce606ff5c8cc9facd8e.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: warning: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 3.0, but the range of supported deployment target versions is 4.0 to 11.4.99. (in target 'Kuery' from project 'Kuery')
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: warning: Ignoring ENABLE_BITCODE because building with bitcode is no longer supported. (in target 'Kuery' from project 'Kuery')
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "27AEDK3C9F" with a private key was found. (in target 'Kuery' from project 'Kuery')
** BUILD FAILED **
The following build commands failed:
	Building project Kuery with scheme Kuery
(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" : "Kuery",
  "name" : "Kuery",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Kuery",
      "targets" : [
        "Kuery"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KueryTests",
      "module_type" : "SwiftTarget",
      "name" : "KueryTests",
      "path" : "Tests/KueryTests",
      "sources" : [
        "Dog+CoreDataClass.swift",
        "Dog+CoreDataProperties.swift",
        "OptionalTestObject+CoreDataClass.swift",
        "OptionalTestObject+CoreDataProperties.swift",
        "Person+CoreDataClass.swift",
        "Person+CoreDataProperties.swift",
        "TestObject+CoreDataClass.swift",
        "TestObject+CoreDataProperties.swift",
        "Tests.swift"
      ],
      "target_dependencies" : [
        "Kuery"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Kuery",
      "module_type" : "SwiftTarget",
      "name" : "Kuery",
      "path" : "Sources/Kuery",
      "product_memberships" : [
        "Kuery"
      ],
      "sources" : [
        "ManagedObjectProperty.swift",
        "Operator.swift",
        "Predicate.swift",
        "Query.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Kuery",
    "schemes" : [
      "Kuery"
    ],
    "targets" : [
      "Kuery",
      "KueryTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Kuery -destination generic/platform=watchOS
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 Kuery -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Kuery' in project 'Kuery' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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_32 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
Build description signature: 13a1d94773c73179944ed816f7fee6d4
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/13a1d94773c73179944ed816f7fee6d4.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: warning: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 3.0, but the range of supported deployment target versions is 4.0 to 11.4.99. (in target 'Kuery' from project 'Kuery')
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: warning: Ignoring ENABLE_BITCODE because building with bitcode is no longer supported. (in target 'Kuery' from project 'Kuery')
/Users/admin/builder/spi-builder-workspace/Kuery.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "27AEDK3C9F" with a private key was found. (in target 'Kuery' from project 'Kuery')
** BUILD FAILED **
The following build commands failed:
	Building project Kuery with scheme Kuery
(1 failure)
BUILD FAILURE 6.1 watchOS