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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 langserver-swift with Swift 6.0 for macOS (Xcode) using Xcode 16.0.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/rlovelett/langserver-swift.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rlovelett/langserver-swift
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at 32356cf Use libSwiftPM to parse Package.swift files
Cloned https://github.com/rlovelett/langserver-swift.git
Revision (git rev-parse @):
32356cf13408fc64bf3a08b3f4bbf376d32c9ef3
SUCCESS checkout https://github.com/rlovelett/langserver-swift.git at 0.2.0
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.0
Building package at path:  $PWD
https://github.com/rlovelett/langserver-swift.git
Command line invocation:
    /Applications/Xcode-16.1.0.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
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
2024-10-30 19:45:44.874 xcodebuild[465:2560] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-30-10_19-45-0044.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.0' to specify the current tools version
GENERIC FAILURE 6.0 macosXcodebuild