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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 SwiftIPAddress with Swift 5.8 for macOS (Xcode) using Xcode 14.3 at 1.0.0.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.28.7
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/vkill/SwiftIPAddress.git
Reference: 1.0.0
Initialized empty Git repository in /Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/vkill/SwiftIPAddress
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 0e11228 README.md
Cloned https://github.com/vkill/SwiftIPAddress.git
Revision (git rev-parse @):
0e112289ea7925b9c4962cadaeb8dc11f2fa5127
SUCCESS checkout https://github.com/vkill/SwiftIPAddress.git at 1.0.0
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.8
Building package at path:  $PWD/checkout
https://github.com/vkill/SwiftIPAddress.git
Command line invocation:
    /Applications/Xcode-14.3.1.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
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:
  spi-builder-workspace: /Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
Resolve Package Graph
the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
2024-01-12 08:28:39.844 xcodebuild[11465:4350050] DVTCoreDeviceEnabledState: DVTCoreDeviceEnabledState_Disabled set via user default (DVTEnableCoreDevice=disabled)
2024-01-12 08:28:40.033 xcodebuild[11465:4350050] Writing error result bundle to /var/folders/n8/pp_chp6x3jlfy1n94r6hdjv40000gn/T/ResultBundle_2024-12-01_08-28-0040.xcresult
2024-01-12 08:28:40.900 xcodebuild[11465:4350050] [MT] DVTAssertions: Warning in /System/Volumes/Data/SWE/Apps/DT/BuildRoots/BuildRoot7/ActiveBuildRoot/Library/Caches/com.apple.xbs/Sources/IDEFrameworks/IDEFrameworks-21815/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:842
Details:  Error deleting scheme: Cannot modify data because the process disallows saving.
Object:   <IDERunContextManager: 0x60000005eeb0>
Method:   -deleteRunContexts:completionQueue:completionBlock:
Thread:   <_NSMainThread: 0x600002778200>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2024-01-12 08:28:40.902 xcodebuild[11465:4350050] could not delete old scheme: Error Domain=DVTCustomDataStoringErrors Code=0 "Cannot modify data because the process disallows saving." UserInfo={NSLocalizedDescription=Cannot modify data because the process disallows saving.}
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 5.8 macosXcodebuild