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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 lame-binary-xcframework, reference 0.1.0 (e4505d), with Swift 6.0 for macOS (SPM) on 16 Sep 2024 03:10:16 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

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RunAll
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Builder version: 4.53.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sbooth/lame-binary-xcframework.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sbooth/lame-binary-xcframework
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at e4505dc Initial commit
Cloned https://github.com/sbooth/lame-binary-xcframework.git
Revision (git rev-parse @):
e4505dc35dfb83ab9e2a12d61687173f1e94a732
SUCCESS checkout https://github.com/sbooth/lame-binary-xcframework.git at 0.1.0
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/sbooth/lame-binary-xcframework.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
[5503/4208102] Downloading https://github.com/sbooth/lame-binary-xcframework/releases/download/0.1.0/lame.xcframework.zip
Downloading binary artifact https://github.com/sbooth/lame-binary-xcframework/releases/download/0.1.0/lame.xcframework.zip
Downloaded https://github.com/sbooth/lame-binary-xcframework/releases/download/0.1.0/lame.xcframework.zip (1.26s)
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
BUILD FAILURE 6.0 macosSpm