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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 swift-conformable-existential with Swift 5.9 for macOS (Xcode) using Xcode 15.2.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.34.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/stansmida/swift-conformable-existential.git
Reference: main
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/stansmida/swift-conformable-existential
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 12318e4 Readme format
Cloned https://github.com/stansmida/swift-conformable-existential.git
Revision (git rev-parse @):
12318e4578918e26d7b7ca0111ad5f9b342ebf51
SPI manifest file found: $workDir/.spi.yml
SUCCESS checkout https://github.com/stansmida/swift-conformable-existential.git at main
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.9
Building package at path:  $workDir
https://github.com/stansmida/swift-conformable-existential.git
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.0
Resolved source packages:
  spi-builder-workspace: /Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.0
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.0
objc[73484]: Class XROS1_1SimRuntime is implemented in both /Library/Developer/CoreSimulator/Volumes/xrOS_21O209/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10b6700e0) and /Library/Developer/CoreSimulator/Volumes/xrOS_21O5181e/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10b6840e0). One of the two will be used. Which one is undefined.
2024-04-05 17:26:08.342 xcodebuild[73484:12440653] Writing error result bundle to /var/folders/b3/8p5yvk0d16s637btgmtl295m0000gp/T/ResultBundle_2024-05-04_17-26-0008.xcresult
2024-04-05 17:26:09.118 xcodebuild[73484:12440653] [MT] DVTAssertions: Warning in IDEFrameworks/IDEFoundation/Execution/RunContextManager/IDERunContextManager.m:848
Details:  Error deleting scheme: Cannot modify data because the process disallows saving.
Object:   <IDERunContextManager: 0x600001b6e6d0>
Method:   -deleteRunContexts:completionQueue:completionBlock:
Thread:   <_NSMainThread: 0x600003c5c200>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.
2024-04-05 17:26:09.122 xcodebuild[73484:12440653] 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:
  package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.0
GENERIC FAILURE 5.9 macosXcodebuild