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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 Formic, reference 0.3.0 (ff3048), with Swift 5.10 for macOS (SPM) on 27 Feb 2025 00:13:22 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/heckj/formic.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/heckj/formic
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at ff3048d clean up package.swift formatting with swift-format
Cloned https://github.com/heckj/formic.git
Revision (git rev-parse @):
ff3048d32ae44f748da991fdfca1c86bec3bcaed
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/formic.git at 0.3.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/heckj/formic.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