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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 XcodeGraph, reference 1.10.2 (d22112), with Swift 5.10 for macOS (SPM) on 6 May 2025 06:06:00 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tuist/XcodeGraph.git
Reference: 1.10.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tuist/XcodeGraph
 * tag               1.10.2     -> FETCH_HEAD
HEAD is now at d22112b [Release] XcodeGraph 1.10.2
Cloned https://github.com/tuist/XcodeGraph.git
Revision (git rev-parse @):
d22112b6f1b8563e785ef19919d5b7ec78fa74d3
SUCCESS checkout https://github.com/tuist/XcodeGraph.git at 1.10.2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/tuist/XcodeGraph.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Fetching https://github.com/p-x9/MachOKit
Fetching https://github.com/Kolos65/Mockable.git
Fetching https://github.com/tuist/FileSystem.git
Fetching https://github.com/tuist/XcodeProj
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/apple/swift-service-context
Fetching https://github.com/tuist/Command.git
[1/4984] Fetching machokit
[151/6689] Fetching machokit, mockable
[152/7752] Fetching machokit, mockable, swift-service-context
[351/9801] Fetching machokit, mockable, swift-service-context, swift-docc-plugin
[898/11366] Fetching machokit, mockable, swift-service-context, swift-docc-plugin, filesystem
[2147/13331] Fetching machokit, mockable, swift-service-context, swift-docc-plugin, filesystem, command
[9937/36527] Fetching machokit, mockable, swift-service-context, swift-docc-plugin, filesystem, command, xcodeproj
Fetched https://github.com/p-x9/MachOKit from cache (2.16s)
Fetching https://github.com/tuist/Path.git
Fetched https://github.com/tuist/Command.git from cache (2.16s)
Fetching https://github.com/Flight-School/AnyCodable
Fetched https://github.com/apple/swift-service-context from cache (2.16s)
[7639/28515] Fetching mockable, swift-docc-plugin, filesystem, xcodeproj
[22717/28863] Fetching mockable, swift-docc-plugin, filesystem, xcodeproj, path
[28697/29645] Fetching mockable, swift-docc-plugin, filesystem, xcodeproj, path, anycodable
Fetched https://github.com/tuist/Path.git from cache (0.70s)
[28742/29297] Fetching mockable, swift-docc-plugin, filesystem, xcodeproj, anycodable
Fetched https://github.com/Flight-School/AnyCodable from cache (0.84s)
Fetched https://github.com/Kolos65/Mockable.git from cache (3.00s)
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (3.00s)
Fetched https://github.com/tuist/FileSystem.git from cache (3.00s)
Fetched https://github.com/tuist/XcodeProj from cache (3.00s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.3 (2.31s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3376] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.28s)
Computing version for https://github.com/p-x9/MachOKit
Computed https://github.com/p-x9/MachOKit at 0.31.0 (0.36s)
Computing version for https://github.com/Kolos65/Mockable.git
Computed https://github.com/Kolos65/Mockable.git at 0.3.1 (0.39s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
Fetching https://github.com/swiftlang/swift-syntax.git
[1/5431] Fetching xctest-dynamic-overlay
[5432/75779] Fetching xctest-dynamic-overlay, swift-syntax
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (3.29s)
Fetched https://github.com/swiftlang/swift-syntax.git from cache (3.29s)
Computing version for https://github.com/apple/swift-service-context
Computed https://github.com/apple/swift-service-context at 1.2.0 (0.34s)
Computing version for https://github.com/tuist/FileSystem.git
warning: 'filesystem': /Package.swift:4:17: remark: '@preconcurrency' attribute on module 'PackageDescription' is unused
@preconcurrency import PackageDescription
~~~~~~~~~~~~~~~~^
Computed https://github.com/tuist/FileSystem.git at 0.7.16 (0.33s)
Fetching https://github.com/tuist/ZIPFoundation
Fetching https://github.com/apple/swift-log
Fetching https://github.com/apple/swift-nio
[1/4875] Fetching zipfoundation
[50/8711] Fetching zipfoundation, swift-log
[4617/84411] Fetching zipfoundation, swift-log, swift-nio
Fetched https://github.com/tuist/ZIPFoundation from cache (1.31s)
[4593/79536] Fetching swift-log, swift-nio
Fetched https://github.com/apple/swift-nio from cache (3.76s)
Fetched https://github.com/apple/swift-log from cache (3.76s)
Computing version for https://github.com/tuist/Command.git
error: Dependencies could not be resolved because root depends on 'command' 0.13.0..<1.0.0.
'command' >= 0.13.0 cannot be used because 'command' 0.13.0 contains incompatible tools version (6.0.0) and no versions of 'command' match the requirement 0.13.1..<1.0.0.
BUILD FAILURE 5.10 macosSpm