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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 MessageKit with Swift 5.10 for macOS (Xcode) using Xcode 15.4.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.29.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/MessageKit/MessageKit.git
Reference: 4.2.0
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/MessageKit/MessageKit
 * tag               4.2.0      -> FETCH_HEAD
HEAD is now at 1993e8e Changelog
Cloned https://github.com/MessageKit/MessageKit.git
Revision (git rev-parse @):
1993e8e90d4e9a61b8d9bc8ceb733964ce943376
SPI manifest file found: $workDir/.spi.yml
SUCCESS checkout https://github.com/MessageKit/MessageKit.git at 4.2.0
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.10
Building package at path:  $workDir
https://github.com/MessageKit/MessageKit.git
Command line invocation:
    /Applications/Xcode-15.3.0-Beta.2.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/nathantannar4/InputBarAccessoryView
Creating working copy of package ‘InputBarAccessoryView’
Checking out 6.3.0 of package ‘InputBarAccessoryView’
failed downloading 'https://github.com/nicklockwood/SwiftFormat/releases/download/0.49.13/swiftformat.artifactbundle.zip' which is required by binary target 'swiftformat': /Users/builder/Library/Caches/org.swift.swiftpm/artifacts/https___github_com_nicklockwood_SwiftFormat_releases_download_0_49_13_swiftformat_artifactbundle_zip already exists in file systemfailed downloading 'https://github.com/realm/SwiftLint/releases/download/0.47.1/SwiftLintBinary-macos.artifactbundle.zip' which is required by binary target 'SwiftLintBinary': /Users/builder/Library/Caches/org.swift.swiftpm/artifacts/https___github_com_realm_SwiftLint_releases_download_0_47_1_SwiftLintBinary_macos_artifactbundle_zip already exists in file systemfatalError
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
2024-02-17 15:45:28.019 xcodebuild[63220:16845022] Requested but did not find extension point with identifier Xcode.DVTDeviceFoundation.Aspect for extension Xcode.IDEiOSSupportCore.Aspect.NBDD of plug-in com.apple.dt.IDE.IDEiOSSupportCore
2024-02-17 15:45:41.492 xcodebuild[63220:16845022] Writing error result bundle to /var/folders/4f/vmvvw7xn07sg3fzsc7v7mmx40000gp/T/ResultBundle_2024-17-02_15-45-0041.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed downloading 'https://github.com/nicklockwood/SwiftFormat/releases/download/0.49.13/swiftformat.artifactbundle.zip' which is required by binary target 'swiftformat': /Users/builder/Library/Caches/org.swift.swiftpm/artifacts/https___github_com_nicklockwood_SwiftFormat_releases_download_0_49_13_swiftformat_artifactbundle_zip already exists in file system
  failed downloading 'https://github.com/realm/SwiftLint/releases/download/0.47.1/SwiftLintBinary-macos.artifactbundle.zip' which is required by binary target 'SwiftLintBinary': /Users/builder/Library/Caches/org.swift.swiftpm/artifacts/https___github_com_realm_SwiftLint_releases_download_0_47_1_SwiftLintBinary_macos_artifactbundle_zip already exists in file system
  fatalError
GENERIC FAILURE 5.10 macosXcodebuild