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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 package-concurrency-helpers, reference 5.1.1 (eb5a56), with Swift 5.9 for macOS (SPM) on 2 Apr 2025 19:59:45 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/ordo-one/package-concurrency-helpers.git
Reference: 5.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ordo-one/package-concurrency-helpers
 * tag               5.1.1      -> FETCH_HEAD
HEAD is now at eb5a564 fix(patch): avoid closure escaping in runSync() (#70)
Cloned https://github.com/ordo-one/package-concurrency-helpers.git
Revision (git rev-parse @):
eb5a5642ad0cbce123e7773b422bfcfce48c5728
SUCCESS checkout https://github.com/ordo-one/package-concurrency-helpers.git at 5.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/ordo-one/package-concurrency-helpers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
Building for debugging...
[2/4] Compiling _PauseShims _PauseShims.c
[3/10] Compiling _AtomicsShims.c
[5/29] Compiling Atomics UnsafeAtomic.swift
[6/29] Compiling Atomics UnsafeAtomicLazyReference.swift
[7/31] Compiling Atomics AtomicMemoryOrderings.swift
[8/31] Compiling Atomics DoubleWord.swift
[9/31] Compiling Atomics AtomicOptionalWrappable.swift
[10/31] Compiling Atomics AtomicReference.swift
[11/31] Compiling Atomics AtomicStorage.swift
[12/31] Compiling Atomics AtomicValue.swift
[13/31] Compiling Atomics Primitives.shims.swift
[14/31] Compiling Atomics AtomicInteger.swift
[15/31] Compiling Atomics ManagedAtomic.swift
[16/31] Compiling Atomics ManagedAtomicLazyReference.swift
[17/31] Compiling Atomics PointerConformances.swift
[18/31] Compiling Atomics Primitives.native.swift
[19/31] Compiling Atomics AtomicBool.swift
[20/31] Compiling Atomics IntegerConformances.swift
[21/31] Compiling Atomics IntegerOperations.swift
[22/31] Compiling Atomics Unmanaged extensions.swift
[23/31] Compiling Atomics OptionalRawRepresentable.swift
[24/31] Compiling Atomics RawRepresentable.swift
[25/31] Emitting module Atomics
[26/41] Compiling Helpers TimeIntervalCounter.swift
[27/41] Compiling PackageConcurrencyHelpers NIOSendable.swift
[28/41] Compiling PackageConcurrencyHelpers UnsafeSendableWrapper.swift
[29/41] Compiling PackageConcurrencyHelpers Protected.swift
[30/41] Compiling PackageConcurrencyHelpers Lockable.swift
[31/41] Compiling Helpers NearestPowerOf2.swift
[32/41] Compiling Helpers MakeStream.swift
[33/41] Compiling PackageConcurrencyHelpers Lock.swift
[34/41] Emitting module PackageConcurrencyHelpers
[35/41] Compiling PackageConcurrencyHelpers ForBlockingCall.swift
[36/41] Compiling PackageConcurrencyHelpers Spinlock.swift
[37/41] Compiling PackageConcurrencyHelpers YieldWithBackPressure.swift
[38/41] Compiling PackageConcurrencyHelpers RunSync.swift
[39/41] Emitting module Helpers
[40/41] Compiling Helpers Box.swift
[41/41] Compiling Helpers IsBeingDebugged.swift
Build complete! (21.12s)
Fetching https://github.com/apple/swift-atomics
Fetching https://github.com/mattgallagher/CwlPreconditionTesting
Fetching https://github.com/apple/swift-docc-plugin
[1/1257] Fetching cwlpreconditiontesting
[203/2962] Fetching cwlpreconditiontesting, swift-atomics
[305/5012] Fetching cwlpreconditiontesting, swift-atomics, swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin (1.79s)
Fetched https://github.com/apple/swift-atomics (1.79s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting (1.79s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.2.0 (0.36s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (0.46s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3349] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.06s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.48s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting
Computed https://github.com/mattgallagher/CwlPreconditionTesting at 2.2.2 (0.53s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/455] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.65s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.44s)
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/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.2.0
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/mattgallagher/CwlPreconditionTesting
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting resolved at 2.2.2
Build complete.
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Done.