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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 TakeASelfie, reference 0.1.4 (a5eb14), with Swift 6.1 for visionOS using Xcode 16.3 on 30 Apr 2025 23:39:23 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.61.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/abdullahselek/TakeASelfie.git
Reference: 0.1.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/abdullahselek/TakeASelfie
 * tag               0.1.4      -> FETCH_HEAD
HEAD is now at a5eb14c Update readme
Cloned https://github.com/abdullahselek/TakeASelfie.git
Revision (git rev-parse @):
a5eb14c73e0aaf843ee5df59382803c7985c5d56
SUCCESS checkout https://github.com/abdullahselek/TakeASelfie.git at 0.1.4
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Build
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Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/abdullahselek/TakeASelfie.git
https://github.com/abdullahselek/TakeASelfie.git
error: target at '/Users/admin/builder/spi-builder-workspace/TakeASelfie' contains mixed language source files; feature not supported
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:
error: target at '/Users/admin/builder/spi-builder-workspace/TakeASelfie' contains mixed language source files; feature not supported
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:
error: target at '/Users/admin/builder/spi-builder-workspace/TakeASelfie' contains mixed language source files; feature not supported
BUILD FAILURE 6.1 visionOS