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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 PrecisionLevelSlider, reference main (3d2421), with Swift 5.10 for macOS (SPM) on 10 Apr 2025 12:51:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.60.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/FluidGroup/PrecisionLevelSlider.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FluidGroup/PrecisionLevelSlider
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3d24212 Update README.md
Cloned https://github.com/FluidGroup/PrecisionLevelSlider.git
Revision (git rev-parse @):
3d24212a8dc5de6e0a03fe0bd11ca86fcc1990d1
SUCCESS checkout https://github.com/FluidGroup/PrecisionLevelSlider.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/FluidGroup/PrecisionLevelSlider.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Fetching https://github.com/FluidGroup/swiftui-Hosting
[1/225] Fetching swiftui-hosting
Fetched https://github.com/FluidGroup/swiftui-Hosting from cache (1.05s)
Computing version for https://github.com/FluidGroup/swiftui-Hosting
error: Dependencies could not be resolved because 'swiftui-hosting' >= 1.3.0 contains incompatible tools version (6.0.0) and root depends on 'swiftui-hosting' 2.0.0..<3.0.0.
BUILD FAILURE 5.10 macosSpm