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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 Snacker, reference 1.0.0 (e537d7), with Swift 5.10 for macOS (SPM) on 25 Mar 2025 06:08:22 UTC.

Build Command

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

Build Log

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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/space-code/snacker.git
Reference: 1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/space-code/snacker
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at e537d7e Release `1.0.0` (#2)
Cloned https://github.com/space-code/snacker.git
Revision (git rev-parse @):
e537d7e0a0de4fb485bc31833ef582aaceba66df
SUCCESS checkout https://github.com/space-code/snacker.git at 1.0.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/space-code/snacker.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