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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 swift-conformable-existential, reference 0.5.0 (c5a52a), with Swift 5.9 for macOS (SPM) on 15 Jan 2025 22:01:53 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/stansmida/swift-conformable-existential.git
Reference: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/stansmida/swift-conformable-existential
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at c5a52af Swift 6 and Sendability.
Cloned https://github.com/stansmida/swift-conformable-existential.git
Revision (git rev-parse @):
c5a52afac691e0c57bbf0811294e032ae3aa8a6f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/stansmida/swift-conformable-existential.git at 0.5.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/stansmida/swift-conformable-existential.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