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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 Promises with Swift 6.0 (beta) for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/google/promises.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/google/promises
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 540318e Bump version to 2.4.0.
Cloned https://github.com/google/promises.git
Revision (git rev-parse @):
540318ecedd63d883069ae7f1ed811a2df00b6ac
SUCCESS checkout https://github.com/google/promises.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/google/promises.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/26] Write sources
[2/26] Copying PrivacyInfo.xcprivacy
[4/26] Write swift-version-6F35C1178C84523A.txt
[5/26] Compiling FBLPromises FBLPromiseError.m
[6/26] Compiling FBLPromises FBLPromise+Retry.m
[7/26] Compiling FBLPromises FBLPromise+Reduce.m
[8/26] Compiling FBLPromises FBLPromise+Testing.m
[9/26] Compiling FBLPromises FBLPromise.m
[10/26] Compiling FBLPromises FBLPromise+Recover.m
[11/26] Compiling FBLPromises FBLPromise+Race.m
[12/26] Compiling FBLPromises FBLPromise+Wrap.m
[13/26] Compiling FBLPromises FBLPromise+Validate.m
[14/26] Compiling FBLPromises FBLPromise+Do.m
[15/26] Compiling FBLPromises FBLPromise+Delay.m
[16/26] Compiling FBLPromises FBLPromise+Timeout.m
[17/26] Compiling FBLPromises FBLPromise+Catch.m
[18/26] Compiling FBLPromises FBLPromise+Await.m
[19/26] Compiling FBLPromises FBLPromise+Then.m
[20/26] Compiling FBLPromises resource_bundle_accessor.m
[21/26] Compiling FBLPromises FBLPromise+Async.m
[22/26] Compiling FBLPromises FBLPromise+Always.m
[23/26] Compiling FBLPromises FBLPromise+Any.m
[24/26] Compiling FBLPromises FBLPromise+All.m
[25/26] Compiling FBLPromisesTestHelpers FBLPromisesTestInteroperability.m
[27/45] Compiling Promises Promise+Wrap.swift
[28/45] Compiling Promises Promise.swift
[29/47] Compiling Promises Promise+Timeout.swift
[30/47] Compiling Promises Promise+Validate.swift
[31/47] Compiling Promises Promise+Reduce.swift
[32/47] Compiling Promises Promise+Retry.swift
[33/47] Compiling Promises Promise+Testing.swift
[34/47] Compiling Promises Promise+Then.swift
[35/47] Compiling Promises Promise+Delay.swift
[36/47] Compiling Promises Promise+Do.swift
[37/47] Compiling Promises Promise+All.swift
[38/47] Compiling Promises Promise+Always.swift
[39/47] Compiling Promises Promise+Race.swift
[40/47] Compiling Promises Promise+Recover.swift
[41/47] Emitting module Promises
[42/47] Compiling Promises Promise+Await.swift
[43/47] Compiling Promises Promise+Catch.swift
[44/47] Compiling Promises Promise+Any.swift
[45/47] Compiling Promises Promise+Async.swift
[46/47] Compiling Promises PromiseError.swift
[47/47] Compiling Promises resource_bundle_accessor.swift
[48/50] Compiling PromisesTestHelpers PromisesTestInteroperability.swift
[49/50] Compiling PromisesTestHelpers PromisesTestHelpers.swift
/Users/admin/builder/spi-builder-workspace/Sources/PromisesTestHelpers/PromisesTestHelpers.swift:23:7: warning: capture of 'work' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
21 |   public static func delay(_ interval: TimeInterval, work: @escaping () -> Void) {
22 |     DispatchQueue.main.asyncAfter(deadline: .now() + interval) {
23 |       work()
   |       |- warning: capture of 'work' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
   |       `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
24 |     }
25 |   }
/Users/admin/builder/spi-builder-workspace/Sources/PromisesTestHelpers/PromisesTestHelpers.swift:23:7: warning: sending 'work' risks causing data races; this is an error in the Swift 6 language mode
21 |   public static func delay(_ interval: TimeInterval, work: @escaping () -> Void) {
22 |     DispatchQueue.main.asyncAfter(deadline: .now() + interval) {
23 |       work()
   |       |- warning: sending 'work' risks causing data races; this is an error in the Swift 6 language mode
   |       `- note: task-isolated 'work' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
24 |     }
25 |   }
[50/50] Emitting module PromisesTestHelpers
Build complete! (21.30s)
Build complete.
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Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.