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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 swifit-learn, reference 0.0.1 (dfbc01), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 10:43:08 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

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RunAll
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Builder version: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/t-ae/swifit-learn.git
Reference: 0.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/t-ae/swifit-learn
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at dfbc013 Implement RandomForestClassifier
Cloned https://github.com/t-ae/swifit-learn.git
Revision (git rev-parse @):
dfbc013bc6c31f1598e8d522024a151bd8be87d0
SUCCESS checkout https://github.com/t-ae/swifit-learn.git at 0.0.1
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/t-ae/swifit-learn.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
BUILD FAILURE 6.0 macosSpm