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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 AerisWeather, reference main (f2c36f), with Swift 6.0 for macOS (SPM) on 14 Sep 2024 14:54:58 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/aerisweather/aerisweather-ios.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aerisweather/aerisweather-ios
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f2c36f5 chore: Updated to SDK 3.4.1
Cloned https://github.com/aerisweather/aerisweather-ios.git
Revision (git rev-parse @):
f2c36f5d946a15edd02f127bfaca4679fa3eebe0
SUCCESS checkout https://github.com/aerisweather/aerisweather-ios.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/aerisweather/aerisweather-ios.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
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