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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 public-api-diff, reference main (27e02c), with Swift 6.1 for Linux on 2 May 2025 17:03:47 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Adyen/adyen-swift-public-api-diff.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/Adyen/adyen-swift-public-api-diff
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 27e02c7 Merge pull request #113 from Adyen/swift-markdown-output
Cloned https://github.com/Adyen/adyen-swift-public-api-diff.git
Revision (git rev-parse @):
27e02c74462da32a3f876d398ba7546810c0f05c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Adyen/adyen-swift-public-api-diff.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Adyen/adyen-swift-public-api-diff.git
https://github.com/Adyen/adyen-swift-public-api-diff.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
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        "SwiftPackageFileAnalyzerTests.swift",
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        "Utilities/MockPipelineModules/MockOutputGenerator.swift",
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        "SwiftInterfaceParser/SwiftInterfaceElement+Declaration/SwiftInterfaceElement+EnumCase.swift",
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        "SwiftInterfaceParser/SwiftInterfaceElement+Declaration/SwiftInterfaceElement+Initializer.swift",
        "SwiftInterfaceParser/SwiftInterfaceElement+Declaration/SwiftInterfaceElement+Protocol.swift",
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        "SwiftInterfaceParser/SwiftInterfaceElement+Declaration/SwiftInterfaceElement+Subscript.swift",
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        "SwiftInterfaceParser/SwiftInterfaceElement+Declaration/SwiftInterfaceElement+Var.swift",
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Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/SimplyDanny/SwiftLintPlugins
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/nicklockwood/SwiftFormat
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/swiftlang/swift-syntax
[1/199] Fetching swiftlintplugins
[200/15155] Fetching swiftlintplugins, swift-argument-parser
[948/62289] Fetching swiftlintplugins, swift-argument-parser, swiftformat
[20813/64338] Fetching swiftlintplugins, swift-argument-parser, swiftformat, swift-docc-plugin
[23333/134629] Fetching swiftlintplugins, swift-argument-parser, swiftformat, swift-docc-plugin, swift-syntax
Fetched https://github.com/SimplyDanny/SwiftLintPlugins from cache (5.40s)
Fetched https://github.com/apple/swift-docc-plugin from cache (5.40s)
Fetched https://github.com/apple/swift-argument-parser from cache (5.41s)
Fetched https://github.com/swiftlang/swift-syntax from cache (5.46s)
[22390/47134] Fetching swiftformat
Fetched https://github.com/nicklockwood/SwiftFormat from cache (21.51s)
Computing version for https://github.com/SimplyDanny/SwiftLintPlugins
Computed https://github.com/SimplyDanny/SwiftLintPlugins at 0.59.1 (21.93s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (1.81s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3376] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.36s)
Computing version for https://github.com/nicklockwood/SwiftFormat
Computed https://github.com/nicklockwood/SwiftFormat at 0.55.5 (0.83s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 601.0.1 (0.62s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.44s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.50s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/SimplyDanny/SwiftLintPlugins
Working copy of https://github.com/SimplyDanny/SwiftLintPlugins resolved at 0.59.1
Creating working copy for https://github.com/nicklockwood/SwiftFormat
Working copy of https://github.com/nicklockwood/SwiftFormat resolved at 0.55.5
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 601.0.1
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip
[1369/41085097] Downloading https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip (3.28s)
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.1 linux