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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 Lock with Swift 5.10 for macOS (Xcode) using Xcode 15.4.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.55.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mattmassicotte/Lock.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mattmassicotte/Lock
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at d815a64 Use Xcode 16.1 to try to get catalyst to work
Cloned https://github.com/mattmassicotte/Lock.git
Revision (git rev-parse @):
d815a64ac333c42d58214e0bf091f586d2ebf3a4
SUCCESS checkout https://github.com/mattmassicotte/Lock.git at 0.1.1
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.10
Building package at path:  $PWD
https://github.com/mattmassicotte/Lock.git
Command line invocation:
    /Applications/Xcode-15.4.0.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
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Resolved source packages:
  spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2024-10-01 12:44:56.875 xcodebuild[456:2532] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-01-10_12-44-0056.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
GENERIC FAILURE 5.10 macosXcodebuild