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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 swift-unidirectional-flow with Swift 5.8 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-14.3.1.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 4.39.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mecid/swift-unidirectional-flow.git
Reference: 0.3.3
Initialized empty Git repository in /Users/builder/builds/o86TiJKT/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/mecid/swift-unidirectional-flow
 * tag               0.3.3      -> FETCH_HEAD
HEAD is now at 13ec799 Main actor isolation added to the Store type
Cloned https://github.com/mecid/swift-unidirectional-flow.git
Revision (git rev-parse @):
13ec799a377fbc303341f668c2438ab80a1e2abd
SUCCESS checkout https://github.com/mecid/swift-unidirectional-flow.git at 0.3.3
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Build
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Selected platform:         macosSpm
Swift version:             5.8
Building package at path:  $workDir
https://github.com/mecid/swift-unidirectional-flow.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-14.3.1.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 5.9.0 but the installed version is 5.8.1
BUILD FAILURE 5.8 macosSpm

Build Machine: Mac 5