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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 langserver-swift with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 4.29.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/rlovelett/langserver-swift.git
Reference: 0.2.0
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/rlovelett/langserver-swift
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at 32356cf Use libSwiftPM to parse Package.swift files
Cloned https://github.com/rlovelett/langserver-swift.git
Revision (git rev-parse @):
32356cf13408fc64bf3a08b3f4bbf376d32c9ef3
SUCCESS checkout https://github.com/rlovelett/langserver-swift.git at 0.2.0
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Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/rlovelett/langserver-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.10' to specify the current tools version
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.10' to specify the current tools version
BUILD FAILURE 5.10 macosSpm