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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 ATCryptography, reference 0.1.2 (6117d0), with Swift 5.9 for macOS (SPM) on 18 Mar 2025 09:37:21 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/ATProtoKit/ATCryptography.git
Reference: 0.1.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ATProtoKit/ATCryptography
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at 6117d0c Fix bug where uncompressing key removes prefix
Cloned https://github.com/ATProtoKit/ATCryptography.git
Revision (git rev-parse @):
6117d0cfe7ad9f2693689e6b674a54cc81126333
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ATProtoKit/ATCryptography.git at 0.1.2
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/ATProtoKit/ATCryptography.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