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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 cuid2 with Swift 5.9 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 4.41.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/RussBaz/cuid2.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/RussBaz/cuid2
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 60597a5 Initial commit
Cloned https://github.com/RussBaz/cuid2.git
Revision (git rev-parse @):
60597a59f1f4e0ca0a92d2f4c0e55e16e7d44092
SUCCESS checkout https://github.com/RussBaz/cuid2.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $workDir
https://github.com/RussBaz/cuid2.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.0
BUILD FAILURE 5.9 macosSpm