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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 composable-effect-identifier with Swift 5.10 for iOS 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/tgrapperon/composable-effect-identifier.git
Reference: 0.0.1
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/tgrapperon/composable-effect-identifier
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at 5272092 Update README (#1)
Cloned https://github.com/tgrapperon/composable-effect-identifier.git
Revision (git rev-parse @):
5272092e67a1dc64ffc4d20d17fc15e084bd22d9
SUCCESS checkout https://github.com/tgrapperon/composable-effect-identifier.git at 0.0.1
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Build
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Selected platform:         iOS
Swift version:             5.10
Building package at path:  $workDir
https://github.com/tgrapperon/composable-effect-identifier.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
unknown package 'composable-effect-identifier' in dependencies of target 'LonelyTimer'; valid packages are: 'spi-builder-workspace' (at '/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace'), 'swift-composable-architecture' (from 'https://github.com/pointfreeco/swift-composable-architecture')
Resolved source packages:
  LonelyTimer: /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Examples/LonelyTimer
  composable-effect-identifier: /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace
Resolve Package Graph
unknown package 'composable-effect-identifier' in dependencies of target 'LonelyTimer'; valid packages are: 'spi-builder-workspace' (at '/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace'), 'swift-composable-architecture' (from 'https://github.com/pointfreeco/swift-composable-architecture')
Resolve Package Graph
unknown package 'composable-effect-identifier' in dependencies of target 'LonelyTimer'; valid packages are: 'spi-builder-workspace' (at '/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace'), 'swift-composable-architecture' (from 'https://github.com/pointfreeco/swift-composable-architecture')
2024-02-15 14:47:17.553 xcodebuild[44889:16137018] 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
2024-02-15 14:47:17.927 xcodebuild[44889:16137018] [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.
2024-02-15 14:47:18.197 xcodebuild[44889:16137018] Writing error result bundle to /var/folders/b3/8p5yvk0d16s637btgmtl295m0000gp/T/ResultBundle_2024-15-02_14-47-0018.xcresult
2024-02-15 14:47:18.857 xcodebuild[44889:16137018] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:857
Details:  Error deleting scheme: Cannot modify data because the process disallows saving.
Object:   <IDERunContextManager: 0x600001c13a20>
Method:   -deleteRunContexts:completionQueue:completionBlock:
Thread:   <_NSMainThread: 0x600003810180>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2024-02-15 14:47:18.858 xcodebuild[44889:16137018] 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:
  unknown package 'composable-effect-identifier' in dependencies of target 'LonelyTimer'; valid packages are: 'spi-builder-workspace' (at '/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace'), 'swift-composable-architecture' (from 'https://github.com/pointfreeco/swift-composable-architecture')
GENERIC FAILURE 5.10 iOS