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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 soto, reference main (6381b6), with Swift 5.9 for macOS (SPM) on 26 Apr 2025 00:08:51 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: 4.61.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/soto-project/soto.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/soto-project/soto
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6381b67 Fix sswg link in README.md
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Updating files: 100% (1278/1278), done.
Cloned https://github.com/soto-project/soto.git
Revision (git rev-parse @):
6381b677afad5157d2e502a5e6aa8ed5d8aee46b
SUCCESS checkout https://github.com/soto-project/soto.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/soto-project/soto.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Fetching https://github.com/soto-project/soto-core.git
[1/52299] Fetching soto-core
Fetched https://github.com/soto-project/soto-core.git (2.74s)
Computing version for https://github.com/soto-project/soto-core.git
error: Dependencies could not be resolved because root depends on 'soto-core' 7.6.0..<8.0.0.
'soto-core' >= 7.6.0 cannot be used because no versions of 'soto-core' match the requirement 7.6.1..<8.0.0 and 'soto-core' 7.6.0 contains incompatible tools version (5.10.0).
BUILD FAILURE 5.9 macosSpm