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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 PersistentKeyValueKit, reference 1.0.0 (2f459e), with Swift 5.9 for macOS (SPM) on 20 Dec 2024 18:34:30 UTC.

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: 4.60.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/kylehughes/PersistentKeyValueKit.git
Reference: 1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kylehughes/PersistentKeyValueKit
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 2f459e0 Initial commit
Cloned https://github.com/kylehughes/PersistentKeyValueKit.git
Revision (git rev-parse @):
2f459e001820c74bb271036dd6a821df0f629b4c
SUCCESS checkout https://github.com/kylehughes/PersistentKeyValueKit.git at 1.0.0
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Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/kylehughes/PersistentKeyValueKit.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 6.0.0 but the installed version is 5.9.0
BUILD FAILURE 5.9 macosSpm