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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 SwiftSH, reference master (64ce28), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 17:13:58 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/migueldeicaza/SwiftSH.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/migueldeicaza/SwiftSH
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 64ce28f Allows the session to be reused for more than one task at a time.
Cloned https://github.com/migueldeicaza/SwiftSH.git
Revision (git rev-parse @):
64ce28f05cd023ac29b12a00b8680553caf58a37
SUCCESS checkout https://github.com/migueldeicaza/SwiftSH.git at master
Fetching https://github.com/migueldeicaza/Libssh2Prebuild.git
[1/297] Fetching libssh2prebuild
Fetched https://github.com/migueldeicaza/Libssh2Prebuild.git from cache (0.71s)
Computing version for https://github.com/migueldeicaza/Libssh2Prebuild.git
error: Dependencies could not be resolved because no versions of 'libssh2prebuild' match the requirement 1.9.0..<2.0.0 and root depends on 'libssh2prebuild' 1.9.0..<2.0.0.
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/migueldeicaza/SwiftSH.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/migueldeicaza/Libssh2Prebuild.git
Updated https://github.com/migueldeicaza/Libssh2Prebuild.git (0.46s)
Computing version for https://github.com/migueldeicaza/Libssh2Prebuild.git
error: Dependencies could not be resolved because no versions of 'libssh2prebuild' match the requirement 1.9.0..<2.0.0 and root depends on 'libssh2prebuild' 1.9.0..<2.0.0.
error: 'spi-builder-workspace': Source files for target SwiftSHTests should be located under 'Tests/SwiftSHTests', or a custom sources path can be set with the 'path' property in Package.swift
BUILD FAILURE 6.0 macosSpm