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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 StreamKit with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.27.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/skylab-inc/streamkit.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/skylab-inc/streamkit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8210749 Update README.md
Cloned https://github.com/skylab-inc/streamkit.git
Revision (git rev-parse @):
821074970d0212e5556f4cf272b925209adbd95e
SUCCESS checkout https://github.com/skylab-inc/streamkit.git at master
Fetching https://github.com/mxcl/PromiseKit.git from cache
Fetched https://github.com/mxcl/PromiseKit.git (0.30s)
Computing version for https://github.com/mxcl/PromiseKit.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.9' to specify the current tools version
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Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Updating https://github.com/mxcl/PromiseKit.git
Updated https://github.com/mxcl/PromiseKit.git (0.20s)
Computing version for https://github.com/mxcl/PromiseKit.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.9' to specify the current tools version
Updating https://github.com/mxcl/PromiseKit.git
Updated https://github.com/mxcl/PromiseKit.git (0.23s)
Computing version for https://github.com/mxcl/PromiseKit.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 5.9' to specify the current tools version
BUILD FAILURE 5.9 macosSpm