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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 MLStarRating, reference develop (c5d701), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 13:23:21 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/micheltlutz/MLStarRating.git
Reference: develop
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/micheltlutz/MLStarRating
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at c5d701d Delete Gemfile.lock
Cloned https://github.com/micheltlutz/MLStarRating.git
Revision (git rev-parse @):
c5d701d9cf735adb1082844b9d28df25515b831d
SUCCESS checkout https://github.com/micheltlutz/MLStarRating.git at develop
========================================
ResolveProductDependencies
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Resolving dependencies ...
Fetching https://github.com/micheltlutz/MLStarRating.git
[1/251] Fetching mlstarrating
Fetched https://github.com/micheltlutz/MLStarRating.git from cache (0.92s)
Creating working copy for https://github.com/micheltlutz/MLStarRating.git
Working copy of https://github.com/micheltlutz/MLStarRating.git resolved at develop (c5d701d)
error: 'mlstarrating': product 'UIKit' required by package 'mlstarrating' target 'MLStarRating' not found.
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/micheltlutz/MLStarRating.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
error: 'spi-builder-workspace': product 'UIKit' required by package 'spi-builder-workspace' target 'MLStarRating' not found.
BUILD FAILURE 6.0 macosSpm