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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

Successful build of Parse3339, reference main (aa7906), with Swift 6.1 for Linux on 29 Apr 2025 15:33:27 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/juri/Parse3339.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/juri/Parse3339
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at aa7906d Merge pull request #11 from juri/sendable
Cloned https://github.com/juri/Parse3339.git
Revision (git rev-parse @):
aa7906db6e5578fa527309800661d3a94024e7d4
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/juri/Parse3339.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/juri/Parse3339.git
https://github.com/juri/Parse3339.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
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        "Parse3339"
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}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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/ordo-one/package-benchmark
[1/5898] Fetching package-benchmark
Fetched https://github.com/ordo-one/package-benchmark from cache (0.47s)
Computing version for https://github.com/ordo-one/package-benchmark
Computed https://github.com/ordo-one/package-benchmark at 1.29.2 (1.23s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/ordo-one/package-jemalloc
Fetching https://github.com/apple/swift-system
Fetching https://github.com/HdrHistogram/hdrhistogram-swift
Fetching https://github.com/apple/swift-atomics
Fetching https://github.com/ordo-one/TextTable
[1/35] Fetching package-jemalloc
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[841/2545] Fetching package-jemalloc, texttable, hdrhistogram-swift, swift-atomics
[978/6909] Fetching package-jemalloc, texttable, hdrhistogram-swift, swift-atomics, swift-system
Fetched https://github.com/ordo-one/package-jemalloc from cache (0.31s)
[2556/6874] Fetching texttable, hdrhistogram-swift, swift-atomics, swift-system
Fetched https://github.com/apple/swift-atomics from cache (0.47s)
Fetched https://github.com/apple/swift-system from cache (0.47s)
[1/14950] Fetching swift-argument-parser
Fetched https://github.com/ordo-one/TextTable from cache (0.92s)
Fetched https://github.com/HdrHistogram/hdrhistogram-swift from cache (0.92s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.93s)
Computing version for https://github.com/ordo-one/package-jemalloc
Computed https://github.com/ordo-one/package-jemalloc at 1.0.0 (1.50s)
Computing version for https://github.com/ordo-one/TextTable
Computed https://github.com/ordo-one/TextTable at 0.0.2 (0.80s)
Computing version for https://github.com/HdrHistogram/hdrhistogram-swift
Computed https://github.com/HdrHistogram/hdrhistogram-swift at 0.1.3 (0.88s)
Fetching https://github.com/apple/swift-numerics
[1/5674] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.42s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.3 (1.02s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.2.0 (0.56s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.52s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.53s)
Creating working copy for https://github.com/ordo-one/package-benchmark
Working copy of https://github.com/ordo-one/package-benchmark resolved at 1.29.2
Creating working copy for https://github.com/ordo-one/TextTable
Working copy of https://github.com/ordo-one/TextTable resolved at 0.0.2
Creating working copy for https://github.com/ordo-one/package-jemalloc
Working copy of https://github.com/ordo-one/package-jemalloc resolved at 1.0.0
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/HdrHistogram/hdrhistogram-swift
Working copy of https://github.com/HdrHistogram/hdrhistogram-swift resolved at 0.1.3
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.4.2
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.2.0
[1/1] Compiling plugin BenchmarkPlugin
[2/2] Compiling plugin BenchmarkCommandPlugin
[3/3] Compiling plugin GenerateManual
Building for debugging...
[3/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/7] Emitting module Parse3339
[7/7] Compiling Parse3339 Parse3339.swift
Build complete! (22.80s)
Build complete.
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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
Done.