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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 TemplatePackage with Swift 5.10 for macOS (Xcode) using Xcode 15.4.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.55.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/StanfordBDHG/SwiftPackageTemplate.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/StanfordBDHG/SwiftPackageTemplate
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d9fedae Upgrade to Swift 6 toolchain (#19)
Cloned https://github.com/StanfordBDHG/SwiftPackageTemplate.git
Revision (git rev-parse @):
d9fedaeb4a52971a45245afe23d811509929a03b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordBDHG/SwiftPackageTemplate.git at main
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Build
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Selected platform:         macosXcodebuild
Swift version:             5.10
Building package at path:  $PWD
https://github.com/StanfordBDHG/SwiftPackageTemplate.git
Command line invocation:
    /Applications/Xcode-15.4.0.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 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Resolved source packages:
  spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2024-10-17 09:36:46.978 xcodebuild[452:2510] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-17-10_09-36-0046.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
GENERIC FAILURE 5.10 macosXcodebuild