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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 SwiftSyntax with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.43.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kishikawakatsumi/swiftsyntax.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
warning: templates not found in /usr/share/git-core/templates
From https://github.com/kishikawakatsumi/swiftsyntax
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at 32c5117 Initial import
Cloned https://github.com/kishikawakatsumi/swiftsyntax.git
Revision (git rev-parse @):
32c511755faf379ba6c5feebffa37e21902e6adf
SUCCESS checkout https://github.com/kishikawakatsumi/swiftsyntax.git at 0.1.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/kishikawakatsumi/swiftsyntax.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Fetching https://github.com/apple/swift-package-manager.git
[1/134740] Fetching swift-package-manager
Fetched https://github.com/apple/swift-package-manager.git from cache (15.40s)
Computing version for https://github.com/apple/swift-package-manager.git
Computed https://github.com/apple/swift-package-manager.git at 0.6.0 (2.14s)
Fetching https://github.com/apple/swift-tools-support-core.git
Fetching https://github.com/apple/swift-llbuild.git
[1/6262] Fetching swift-tools-support-core
[3132/28562] Fetching swift-tools-support-core, swift-llbuild
Fetched https://github.com/apple/swift-tools-support-core.git from cache (2.66s)
Fetched https://github.com/apple/swift-llbuild.git from cache (2.66s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.1.0 (0.62s)
Computing version for https://github.com/apple/swift-llbuild.git
Computed https://github.com/apple/swift-llbuild.git at 0.3.0 (0.63s)
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at 0.3.0
Creating working copy for https://github.com/apple/swift-package-manager.git
Working copy of https://github.com/apple/swift-package-manager.git resolved at 0.6.0
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at 0.1.0
warning: 'swift-llbuild': ignoring broken symlink /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm/Demangle/include/llvm
error: 'spi-builder-workspace': product 'Utility' required by package 'spi-builder-workspace' target 'SwiftSyntax' not found. Did you mean 'TSCUtility'?
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.