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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 5.9 for macOS (Xcode) using Xcode 15.2.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/checkout/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/checkout/.derivedData build -scheme swift-rational-Package -destination platform=macos,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.28.7
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/abdel-17/swift-rational.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/abdel-17/swift-rational
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 89bce18 Merge pull request #4 from maartene/master
Cloned https://github.com/abdel-17/swift-rational.git
Revision (git rev-parse @):
89bce18053c8e71c80210ac6cbc3289950e6b771
SUCCESS checkout https://github.com/abdel-17/swift-rational.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             5.9
Building package at path:  $PWD/checkout
https://github.com/abdel-17/swift-rational.git
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/apple/swift-markdown.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-argument-parser.git (cached)
Fetching from https://github.com/apple/swift-numerics (cached)
Fetching from https://github.com/apple/swift-syntax.git (cached)
Creating working copy of package ‘swift-markdown’
Checking out 0.3.0 of package ‘swift-markdown’
Creating working copy of package ‘swift-numerics’
Checking out 1.0.2 of package ‘swift-numerics’
Creating working copy of package ‘swift-cmark’
Checking out 0.3.0 of package ‘swift-cmark’
Creating working copy of package ‘swift-syntax’
Checking out 509.0.2 of package ‘swift-syntax’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.3.0 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-format’
Checking out 509.0.0 of package ‘swift-format’
Resolve Package Graph
Resolved source packages:
  swift-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  swift-markdown: https://github.com/apple/swift-markdown.git @ 0.3.0
  swift-rational: /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.3.0
  swift-syntax: https://github.com/apple/swift-syntax.git @ 509.0.2
  swift-format: https://github.com/apple/swift-format.git @ 509.0.0
  cmark-gfm: https://github.com/apple/swift-cmark.git @ 0.3.0
resolved source packages: swift-numerics, swift-markdown, swift-rational, swift-argument-parser, swift-syntax, swift-format, cmark-gfm
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-rational",
      "swift-rational-Package"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/checkout/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/checkout/.derivedData build -scheme swift-rational-Package -destination platform=macos,arch=arm64
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme swift-rational-Package -destination platform=macos,arch=arm64
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  swift-markdown: https://github.com/apple/swift-markdown.git @ 0.3.0
  swift-rational: /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace
  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-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  swift-syntax: https://github.com/apple/swift-syntax.git @ 509.0.2
  cmark-gfm: https://github.com/apple/swift-cmark.git @ 0.3.0
Resolve Package Graph
2024-01-15 18:26:53.986 xcodebuild[91653:1521683] Writing error result bundle to /var/folders/4f/vmvvw7xn07sg3fzsc7v7mmx40000gp/T/ResultBundle_2024-15-01_18-26-0053.xcresult
xcodebuild: error: Scheme swift-rational-Package is not currently configured for the build action.
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme swift-rational-Package -destination platform=macos,arch=arm64
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  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
  swift-numerics: https://github.com/apple/swift-numerics @ 1.0.2
  swift-rational: /Users/builder/builds/TDmZkXJm/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
2024-01-15 18:26:56.415 xcodebuild[91686:1521931] Writing error result bundle to /var/folders/4f/vmvvw7xn07sg3fzsc7v7mmx40000gp/T/ResultBundle_2024-15-01_18-26-0056.xcresult
xcodebuild: error: Scheme swift-rational-Package is not currently configured for the build action.
BUILD FAILURE 5.9 macosXcodebuild