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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 sciv, reference master (81c541), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 04:32:31 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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/sciv-img/sciv.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sciv-img/sciv
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 81c5417 update OSet to latest
Cloned https://github.com/sciv-img/sciv.git
Revision (git rev-parse @):
81c54175ef54a32294c1f8fdd18a8c9a2c164cf4
SUCCESS checkout https://github.com/sciv-img/sciv.git at master
Fetching https://github.com/sciv-img/OSet
Fetching https://github.com/kylef/PathKit
[1/195] Fetching oset
[196/1606] Fetching oset, pathkit
Fetched https://github.com/sciv-img/OSet from cache (0.85s)
Fetched https://github.com/kylef/PathKit from cache (0.85s)
Computing version for https://github.com/kylef/PathKit
Computed https://github.com/kylef/PathKit at 1.0.1 (4.05s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.88s)
Computing version for https://github.com/sciv-img/OSet
Computed https://github.com/sciv-img/OSet at 0.7.0 (1.50s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.60s)
Creating working copy for https://github.com/kylef/PathKit
Working copy of https://github.com/kylef/PathKit resolved at 1.0.1
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/sciv-img/OSet
Working copy of https://github.com/sciv-img/OSet resolved at 0.7.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
Fetching https://github.com/sciv-img/sciv.git
[1/369] Fetching sciv
Fetched https://github.com/sciv-img/sciv.git from cache (0.67s)
Fetching https://github.com/kylef/PathKit from cache
Fetching https://github.com/sciv-img/OSet from cache
Fetched https://github.com/kylef/PathKit from cache (0.46s)
Fetched https://github.com/sciv-img/OSet from cache (0.46s)
Computing version for https://github.com/kylef/PathKit
Computed https://github.com/kylef/PathKit at 1.0.1 (0.51s)
Fetching https://github.com/kylef/Spectre.git from cache
Fetched https://github.com/kylef/Spectre.git from cache (0.41s)
Computing version for https://github.com/sciv-img/OSet
Computed https://github.com/sciv-img/OSet at 0.7.0 (0.46s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.04s)
Creating working copy for https://github.com/kylef/PathKit
Working copy of https://github.com/kylef/PathKit resolved at 1.0.1
Creating working copy for https://github.com/sciv-img/sciv.git
Working copy of https://github.com/sciv-img/sciv.git resolved at master (81c5417)
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/sciv-img/OSet
Working copy of https://github.com/sciv-img/OSet resolved at 0.7.0
error: 'sciv': package has unsupported layout; missing system target module map at '/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/sciv/Sources/Cpcre/module.modulemap'
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sciv-img/sciv.git
https://github.com/sciv-img/sciv.git
error: package has unsupported layout; missing system target module map at '/Users/admin/builder/spi-builder-workspace/Sources/Cwebp/module.modulemap'
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: 'spi-builder-workspace': package has unsupported layout; missing system target module map at '/Users/admin/builder/spi-builder-workspace/Sources/Cwebp/module.modulemap'
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package has unsupported layout; missing system target module map at '/Users/admin/builder/spi-builder-workspace/Sources/Cwebp/module.modulemap'
BUILD FAILURE 6.1 macosSpm