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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 Ocelot, reference 1.0.0-beta1 (c89a20), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 16:13:15 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.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: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/openkitten/ocelot.git
Reference: 1.0.0-beta1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/openkitten/ocelot
 * tag               1.0.0-beta1 -> FETCH_HEAD
HEAD is now at c89a208 Newer cheetah JSON
Cloned https://github.com/openkitten/ocelot.git
Revision (git rev-parse @):
c89a2084a7a158be25a622bddfffa73ec1d4d200
SUCCESS checkout https://github.com/openkitten/ocelot.git at 1.0.0-beta1
Fetching https://github.com/OpenKitten/Cheetah.git
Fetching https://github.com/OpenKitten/CryptoKitten.git
[1/362] Fetching cheetah
[57/989] Fetching cheetah, cryptokitten
Fetched https://github.com/OpenKitten/Cheetah.git from cache (0.99s)
Fetched https://github.com/OpenKitten/CryptoKitten.git from cache (0.99s)
Computing version for https://github.com/OpenKitten/CryptoKitten.git
error: 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
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/openkitten/ocelot.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Updating https://github.com/OpenKitten/Cheetah.git
Updating https://github.com/OpenKitten/CryptoKitten.git
Updated https://github.com/OpenKitten/Cheetah.git (0.49s)
Updated https://github.com/OpenKitten/CryptoKitten.git (0.49s)
Computing version for https://github.com/OpenKitten/CryptoKitten.git
error: 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
BUILD FAILURE 6.0 macosSpm