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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 SLChat 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/shial4/slchat.git
Reference: 0.1.1
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/shial4/slchat
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 41c2048 [Swift 4] substring
Cloned https://github.com/shial4/slchat.git
Revision (git rev-parse @):
41c2048a8c813060b3c8053c9ea65b81fe931892
SUCCESS checkout https://github.com/shial4/slchat.git at 0.1.1
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.10
Building package at path:  $workDir
https://github.com/shial4/slchat.git
Command line invocation:
    /Applications/Xcode-15.3.0-Beta.2.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/IBM-Swift/BlueCryptor.git (cached)
Fetching from https://github.com/IBM-Swift/CommonCrypto.git (cached)
Fetching from https://github.com/IBM-Swift/BlueSocket.git (cached)
Fetching from https://github.com/IBM-Swift/LoggerAPI.git (cached)
Fetching from https://github.com/IBM-Swift/Kitura-WebSocket (cached)
Fetching from https://github.com/IBM-Swift/CCurl.git (cached)
Fetching from https://github.com/IBM-Swift/BlueSSLService.git (cached)
Fetching from https://github.com/IBM-Swift/Kitura-net.git (cached)
the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
Resolved source packages:
  SLChat: /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace
Resolve Package Graph
Updating from https://github.com/IBM-Swift/BlueCryptor.git
Updating from https://github.com/IBM-Swift/LoggerAPI.git
Updating from https://github.com/IBM-Swift/Kitura-WebSocket
Updating from https://github.com/IBM-Swift/Kitura-net.git
Updating from https://github.com/IBM-Swift/CCurl.git
Fetching from https://github.com/IBM-Swift/BlueSocket.git (cached)
Updating from https://github.com/IBM-Swift/CommonCrypto.git
Updating from https://github.com/IBM-Swift/BlueSSLService.git
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies/repositories/BlueSocket-663f67d0 is not valid git repository for 'https://github.com/IBM-Swift/BlueSocket.git', will fetch again.the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
2024-02-14 06:23:04.364 xcodebuild[55549:1020574] 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
2024-02-14 06:23:04.989 xcodebuild[55549:1020574] Writing error result bundle to /var/folders/b3/8p5yvk0d16s637btgmtl295m0000gp/T/ResultBundle_2024-14-02_06-23-0004.xcresult
2024-02-14 06:23:05.083 xcodebuild[55549:1020574] [MT] DVTPlugInQuery: Requested but did not find extension point with identifier 'Xcode.DVTDeviceFoundation.CompatibleDeviceFamilyPair'. This is programmer error; code should only request extension points that are defined by itself or its dependencies.
xcodebuild: error: Could not resolve package dependencies:
  the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
GENERIC FAILURE 5.10 macosXcodebuild