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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 Kass, reference v5.0.0 (93ca99), with Swift 5.10 for macOS (SPM) on 10 Apr 2025 04:47:34 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
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/nmggithub/Kass.git
Reference: v5.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nmggithub/Kass
 * tag               v5.0.0     -> FETCH_HEAD
HEAD is now at 93ca992 clean up event function names
Cloned https://github.com/nmggithub/Kass.git
Revision (git rev-parse @):
93ca992bc5da0538f681fc972dc85cc909072b11
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/nmggithub/Kass.git at v5.0.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/nmggithub/Kass.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