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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 xcdiff, reference main (99301e), with Swift 5.9 for visionOS using Xcode 15.2 on 15 Feb 2025 17:26:35 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bloomberg/xcdiff.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bloomberg/xcdiff
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 99301ee Bump to 0.13.0 (#144)
Cloned https://github.com/bloomberg/xcdiff.git
Revision (git rev-parse @):
99301ee4578224f0660a1312abc465c5a37176c5
SUCCESS checkout https://github.com/bloomberg/xcdiff.git at main
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             5.9
Building package at path:  $PWD
https://github.com/bloomberg/xcdiff.git
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/tuist/xcodeproj.git
Fetching from https://github.com/apple/swift-argument-parser
Fetching from https://github.com/kylef/PathKit
Fetching from https://github.com/apple/swift-tools-support-core.git
Resolve Package Graph
Updating from https://github.com/apple/swift-argument-parser
Updating from https://github.com/kylef/PathKit
Updating from https://github.com/tuist/xcodeproj.git
Updating from https://github.com/apple/swift-tools-support-core.git
Resolve Package Graph
Updating from https://github.com/kylef/PathKit
Updating from https://github.com/apple/swift-argument-parser
Updating from https://github.com/tuist/xcodeproj.git
Updating from https://github.com/apple/swift-tools-support-core.git
Resolved source packages:
  xcdiff: /Users/admin/builder/spi-builder-workspace
2025-02-15 12:26:30.802 xcodebuild[458:2503] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-15-02_12-26-0030.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Dependencies could not be resolved because 'xcodeproj' >= 8.24.12 contains incompatible tools version (5.10.0) and root depends on 'xcodeproj' 8.26.6..<9.0.0.
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Updating from https://github.com/tuist/xcodeproj.git
Updating from https://github.com/kylef/PathKit
Updating from https://github.com/apple/swift-argument-parser
Updating from https://github.com/apple/swift-tools-support-core.git
Resolved source packages:
  xcdiff: /Users/admin/builder/spi-builder-workspace
2025-02-15 12:26:34.057 xcodebuild[709:3623] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-15-02_12-26-0034.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Dependencies could not be resolved because 'xcodeproj' >= 8.24.12 contains incompatible tools version (5.10.0) and root depends on 'xcodeproj' 8.26.6..<9.0.0.
BUILD FAILURE 5.9 visionOS