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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 SwiftyJSONLines, reference 0.0.4 (a96f39), with Swift 5.10 for macOS (SPM) on 6 Mar 2025 15:26:19 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/fumito-ito/SwiftyJSONLines.git
Reference: 0.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fumito-ito/SwiftyJSONLines
 * tag               0.0.4      -> FETCH_HEAD
HEAD is now at a96f39c agent: run `swift build` and fix any errors if exists.
Cloned https://github.com/fumito-ito/SwiftyJSONLines.git
Revision (git rev-parse @):
a96f39c20f9d9ed5abf3a4dc3294e69d0e3521cc
SUCCESS checkout https://github.com/fumito-ito/SwiftyJSONLines.git at 0.0.4
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Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/fumito-ito/SwiftyJSONLines.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