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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 rawdog, reference master (1df6b4), with Swift 5.9 for macOS (SPM) on 17 Apr 2025 23:33:03 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: 4.60.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/tannerdsilva/rawdog.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tannerdsilva/rawdog
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1df6b43 release v16 with stricter syntax requirements
Cloned https://github.com/tannerdsilva/rawdog.git
Revision (git rev-parse @):
1df6b43a57979b3ad1b1bbbe73215ff232b2c5bb
SUCCESS checkout https://github.com/tannerdsilva/rawdog.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/tannerdsilva/rawdog.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