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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 Knit, reference main (bda48d), with Swift 5.9 for macOS (SPM) on 2 May 2025 04:36:07 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: 4.61.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/cashapp/knit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/cashapp/knit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bda48db Merge pull request #278 from cashapp/bradfol/module-mismatch
Cloned https://github.com/cashapp/knit.git
Revision (git rev-parse @):
bda48dbf13e13362a501f74660d5371825f80ef5
SUCCESS checkout https://github.com/cashapp/knit.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/cashapp/knit.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 5.10.0 but the installed version is 5.9.0
BUILD FAILURE 5.9 macosSpm