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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 swift-rational with Swift 5.10 for iOS using Xcode 15.4.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme swift-rational-Package -destination generic/platform=ios

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/abdel-17/swift-rational.git
Reference: 1.0.1
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/abdel-17/swift-rational
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 6b281fe style: run SwiftFormat
Cloned https://github.com/abdel-17/swift-rational.git
Revision (git rev-parse @):
6b281feb05cb262bae35369b31fc8ccc2918e6b6
SUCCESS checkout https://github.com/abdel-17/swift-rational.git at 1.0.1
========================================
Build
========================================
Selected platform:         iOS
Swift version:             5.10
Building package at path:  $workDir
https://github.com/abdel-17/swift-rational.git
Command line invocation:
    /Applications/Xcode-15.3.0-Beta.2.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/apple/swift-argument-parser.git (cached)
Fetching from https://github.com/apple/swift-syntax.git (cached)
Fetching from https://github.com/apple/swift-format.git (cached)
Fetching from https://github.com/apple/swift-cmark.git (cached)
Fetching from https://github.com/apple/swift-markdown.git (cached)
Fetching from https://github.com/apple/swift-numerics (cached)
Creating working copy of package ‘swift-cmark’
Checking out 0.3.0 of package ‘swift-cmark’
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies/repositories/swift-format-543b7c89 is not valid git repository for 'https://github.com/apple/swift-format.git', will fetch again.Fetching from https://github.com/apple/swift-format.git (cached)
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies/repositories/swift-format-543b7c89 is not valid git repository for 'https://github.com/apple/swift-format.git', will fetch again.Fetching from https://github.com/apple/swift-format.git (cached)
Creating working copy of package ‘swift-format’
Checking out 509.0.0 of package ‘swift-format’
Creating working copy of package ‘swift-markdown’
Checking out 0.3.0 of package ‘swift-markdown’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.3.0 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-numerics’
Checking out 1.0.2 of package ‘swift-numerics’
Creating working copy of package ‘swift-syntax’
Checking out 509.0.2 of package ‘swift-syntax’
Resolved source packages:
  swift-syntax: https://github.com/apple/swift-syntax.git @ 509.0.2
  swift-rational: /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace
  swift-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  swift-format: https://github.com/apple/swift-format.git @ 509.0.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.3.0
  swift-markdown: https://github.com/apple/swift-markdown.git @ 0.3.0
  cmark-gfm: https://github.com/apple/swift-cmark.git @ 0.3.0
resolved source packages: swift-syntax, swift-rational, swift-numerics, swift-format, swift-argument-parser, swift-markdown, cmark-gfm
2024-02-19 15:04:43.890 xcodebuild[684:2154787] Requested but did not find extension point with identifier Xcode.DVTDeviceFoundation.Aspect for extension Xcode.IDEiOSSupportCore.Aspect.NBDD of plug-in com.apple.dt.IDE.IDEiOSSupportCore
2024-02-19 15:04:45.969 xcodebuild[684:2154787] [MT] DVTPlugInQuery: Requested but did not find extension point with identifier 'Xcode.DVTDeviceFoundation.CompatibleDeviceFamilyPair'. This is programmer error; code should only request extension points that are defined by itself or its dependencies.
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-rational",
      "swift-rational-Package"
    ]
  }
}
2024-02-19 15:04:46.289 xcodebuild[988:2155706] Requested but did not find extension point with identifier Xcode.DVTDeviceFoundation.Aspect for extension Xcode.IDEiOSSupportCore.Aspect.NBDD of plug-in com.apple.dt.IDE.IDEiOSSupportCore
2024-02-19 15:04:47.144 xcodebuild[988:2155706] [MT] DVTPlugInQuery: Requested but did not find extension point with identifier 'Xcode.DVTDeviceFoundation.CompatibleDeviceFamilyPair'. This is programmer error; code should only request extension points that are defined by itself or its dependencies.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme swift-rational-Package -destination generic/platform=ios
Command line invocation:
    /Applications/Xcode-15.3.0-Beta.2.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme swift-rational-Package -destination generic/platform=ios
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.3.0
  swift-format: https://github.com/apple/swift-format.git @ 509.0.0
  swift-markdown: https://github.com/apple/swift-markdown.git @ 0.3.0
  swift-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  cmark-gfm: https://github.com/apple/swift-cmark.git @ 0.3.0
  swift-rational: /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace
  swift-syntax: https://github.com/apple/swift-syntax.git @ 509.0.2
Resolve Package Graph
2024-02-19 15:04:47.467 xcodebuild[1086:2156053] Requested but did not find extension point with identifier Xcode.DVTDeviceFoundation.Aspect for extension Xcode.IDEiOSSupportCore.Aspect.NBDD of plug-in com.apple.dt.IDE.IDEiOSSupportCore
2024-02-19 15:04:48.352 xcodebuild[1086:2156053] [MT] DVTPlugInQuery: Requested but did not find extension point with identifier 'Xcode.DVTDeviceFoundation.CompatibleDeviceFamilyPair'. This is programmer error; code should only request extension points that are defined by itself or its dependencies.
2024-02-19 15:04:48.431 xcodebuild[1086:2156053] Writing error result bundle to /var/folders/b3/8p5yvk0d16s637btgmtl295m0000gp/T/ResultBundle_2024-19-02_15-04-0048.xcresult
xcodebuild: error: Scheme swift-rational-Package is not currently configured for the build action.
Command line invocation:
    /Applications/Xcode-15.3.0-Beta.2.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme swift-rational-Package -destination generic/platform=ios
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  swift-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  swift-rational: /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace
  swift-format: https://github.com/apple/swift-format.git @ 509.0.0
  swift-syntax: https://github.com/apple/swift-syntax.git @ 509.0.2
  swift-markdown: https://github.com/apple/swift-markdown.git @ 0.3.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.3.0
  cmark-gfm: https://github.com/apple/swift-cmark.git @ 0.3.0
2024-02-19 15:04:49.783 xcodebuild[1310:2156728] Requested but did not find extension point with identifier Xcode.DVTDeviceFoundation.Aspect for extension Xcode.IDEiOSSupportCore.Aspect.NBDD of plug-in com.apple.dt.IDE.IDEiOSSupportCore
2024-02-19 15:04:50.725 xcodebuild[1310:2156728] [MT] DVTPlugInQuery: Requested but did not find extension point with identifier 'Xcode.DVTDeviceFoundation.CompatibleDeviceFamilyPair'. This is programmer error; code should only request extension points that are defined by itself or its dependencies.
2024-02-19 15:04:50.812 xcodebuild[1310:2156728] Writing error result bundle to /var/folders/b3/8p5yvk0d16s637btgmtl295m0000gp/T/ResultBundle_2024-19-02_15-04-0050.xcresult
xcodebuild: error: Scheme swift-rational-Package is not currently configured for the build action.
BUILD FAILURE 5.10 iOS