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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 Rugby, reference 2.10.3 (4986a8), with Swift 5.10 for macOS (SPM) on 16 Apr 2025 17:39:09 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftyFinch/Rugby.git
Reference: 2.10.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftyFinch/Rugby
 * tag               2.10.3     -> FETCH_HEAD
HEAD is now at 4986a83 [skip ci] Bump version 2.10.3
Cloned https://github.com/SwiftyFinch/Rugby.git
Revision (git rev-parse @):
4986a83c8c7b3fc7c046c61b76a85b88a09bdab4
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/SwiftyFinch/Rugby.git at 2.10.3
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/SwiftyFinch/Rugby.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Fetching https://github.com/OlehKulykov/PLzmaSDK
Fetching https://github.com/swiftyfinch/Fish
Fetching https://github.com/weichsel/ZIPFoundation
Fetching https://github.com/jpsim/Yams
Fetching https://github.com/tuist/xcbeautify
Fetching https://github.com/kareman/SwiftShell
Fetching https://github.com/tuist/XcodeProj
[1/5562] Fetching zipfoundation
[57/5655] Fetching zipfoundation, fish
[206/10518] Fetching zipfoundation, fish, swiftshell
[1006/17285] Fetching zipfoundation, fish, swiftshell, xcbeautify
[1531/27574] Fetching zipfoundation, fish, swiftshell, xcbeautify, yams
[2259/30797] Fetching zipfoundation, fish, swiftshell, xcbeautify, yams, plzmasdk
[2563/53905] Fetching zipfoundation, fish, swiftshell, xcbeautify, yams, plzmasdk, xcodeproj
Fetched https://github.com/swiftyfinch/Fish from cache (2.24s)
Fetching https://github.com/onevcat/Rainbow
[33322/53812] Fetching zipfoundation, swiftshell, xcbeautify, yams, plzmasdk, xcodeproj
Fetched https://github.com/tuist/xcbeautify from cache (2.46s)
Fetching https://github.com/apple/swift-argument-parser
[37438/47045] Fetching zipfoundation, swiftshell, yams, plzmasdk, xcodeproj
[47046/48241] Fetching zipfoundation, swiftshell, yams, plzmasdk, xcodeproj, rainbow
Fetched https://github.com/OlehKulykov/PLzmaSDK from cache (2.82s)
Fetched https://github.com/kareman/SwiftShell from cache (2.82s)
Fetched https://github.com/weichsel/ZIPFoundation from cache (2.82s)
Fetched https://github.com/tuist/XcodeProj from cache (2.82s)
Fetched https://github.com/jpsim/Yams from cache (2.83s)
[168/1196] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow from cache (0.82s)
[1/14842] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.42s)
Computing version for https://github.com/weichsel/ZIPFoundation
Computed https://github.com/weichsel/ZIPFoundation at 0.9.19 (0.37s)
Computing version for https://github.com/kareman/SwiftShell
Computed https://github.com/kareman/SwiftShell at 5.1.0 (2.48s)
Computing version for https://github.com/swiftyfinch/Fish
Computed https://github.com/swiftyfinch/Fish at 0.1.3 (0.47s)
Computing version for https://github.com/tuist/xcbeautify
Computed https://github.com/tuist/xcbeautify at 1.7.0 (0.47s)
Fetching https://github.com/MaxDesiatov/XMLCoder.git
Fetching https://github.com/getGuaka/Colorizer.git
[1/58] Fetching colorizer
[59/10069] Fetching colorizer, xmlcoder
Fetched https://github.com/getGuaka/Colorizer.git from cache (1.20s)
Fetched https://github.com/MaxDesiatov/XMLCoder.git from cache (1.20s)
Computing version for https://github.com/MaxDesiatov/XMLCoder.git
Computed https://github.com/MaxDesiatov/XMLCoder.git at 0.17.1 (0.45s)
Computing version for https://github.com/getGuaka/Colorizer.git
Computed https://github.com/getGuaka/Colorizer.git at 0.2.1 (1.75s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 4.1.0 (0.46s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.3.1 (0.35s)
Computing version for https://github.com/jpsim/Yams
Computed https://github.com/jpsim/Yams at 5.3.1 (0.46s)
Computing version for https://github.com/OlehKulykov/PLzmaSDK
Computed https://github.com/OlehKulykov/PLzmaSDK at 1.5.0 (0.46s)
Computing version for https://github.com/tuist/XcodeProj
Computed https://github.com/tuist/XcodeProj at 8.27.7 (0.36s)
Fetching https://github.com/kylef/PathKit.git
Fetching https://github.com/tadija/AEXML.git
[1/1411] Fetching pathkit
[16/3538] Fetching pathkit, aexml
Fetched https://github.com/tadija/AEXML.git from cache (0.93s)
Fetched https://github.com/kylef/PathKit.git from cache (0.93s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 1.0.1 (1.62s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.90s)
Computing version for https://github.com/tadija/AEXML.git
Computed https://github.com/tadija/AEXML.git at 4.7.0 (0.35s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.45s)
Creating working copy for https://github.com/jpsim/Yams
Working copy of https://github.com/jpsim/Yams resolved at 5.3.1
Creating working copy for https://github.com/swiftyfinch/Fish
Working copy of https://github.com/swiftyfinch/Fish resolved at 0.1.3
Creating working copy for https://github.com/weichsel/ZIPFoundation
Working copy of https://github.com/weichsel/ZIPFoundation resolved at 0.9.19
Creating working copy for https://github.com/getGuaka/Colorizer.git
Working copy of https://github.com/getGuaka/Colorizer.git resolved at 0.2.1
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.3.1
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 4.1.0
Creating working copy for https://github.com/tuist/xcbeautify
Working copy of https://github.com/tuist/xcbeautify resolved at 1.7.0
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1
Creating working copy for https://github.com/kareman/SwiftShell
Working copy of https://github.com/kareman/SwiftShell resolved at 5.1.0
Creating working copy for https://github.com/tadija/AEXML.git
Working copy of https://github.com/tadija/AEXML.git resolved at 4.7.0
Creating working copy for https://github.com/MaxDesiatov/XMLCoder.git
Working copy of https://github.com/MaxDesiatov/XMLCoder.git resolved at 0.17.1
Creating working copy for https://github.com/OlehKulykov/PLzmaSDK
Working copy of https://github.com/OlehKulykov/PLzmaSDK resolved at 1.5.0
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Creating working copy for https://github.com/tuist/XcodeProj
Working copy of https://github.com/tuist/XcodeProj resolved at 8.27.7
error: 'spi-builder-workspace': the target 'libplzma' in product 'PLzmaSDK' contains unsafe build flags
BUILD FAILURE 5.10 macosSpm