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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 Command, reference main (b423bd), with Swift 5.10 for macOS (SPM) on 3 Mar 2025 12:57:11 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.
========================================
Checkout
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Clone URL: https://github.com/tuist/Command.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tuist/Command
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b423bd0 chore(deps): lock file maintenance (#212)
Cloned https://github.com/tuist/Command.git
Revision (git rev-parse @):
b423bd0d9aa770a4c523751ee84d9d160c0b4fca
SUCCESS checkout https://github.com/tuist/Command.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/tuist/Command.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 macosSpm