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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 MKBlockQueue with Swift 6.0 for macOS (Xcode) using Xcode 16.0.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/MKGitHub/MKBlockQueue.git
Reference: 1.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/MKGitHub/MKBlockQueue
 * tag               1.0.4      -> FETCH_HEAD
HEAD is now at c28b897 Update to version 1.0.4
Cloned https://github.com/MKGitHub/MKBlockQueue.git
Revision (git rev-parse @):
c28b89771bf1a1a727e02de7d9913346f95b78ec
SUCCESS checkout https://github.com/MKGitHub/MKBlockQueue.git at 1.0.4
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.0
Building package at path:  $PWD
https://github.com/MKGitHub/MKBlockQueue.git
Command line invocation:
    /Applications/Xcode-16.1.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
2024-10-31 13:58:38.522 xcodebuild[463:2560] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-31-10_13-58-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
GENERIC FAILURE 6.0 macosXcodebuild