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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 JSONWebToken.swift with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 4.29.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/kylef/JSONWebToken.swift.git
Reference: 2.2.0
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/kylef/JSONWebToken.swift
 * tag               2.2.0      -> FETCH_HEAD
HEAD is now at e5745f9 chore: Release 2.2.0
Cloned https://github.com/kylef/JSONWebToken.swift.git
Revision (git rev-parse @):
e5745f95a3e60d9ccee4900764ec79b4239c4ef9
SUCCESS checkout https://github.com/kylef/JSONWebToken.swift.git at 2.2.0
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Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/kylef/JSONWebToken.swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.10' to specify the current tools version
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.10' to specify the current tools version
BUILD FAILURE 5.10 macosSpm