Build Information
Failed to build swift-async-dns-resolver, reference main (9900d9), with Swift 6.0 for macOS (SPM) on 10 Apr 2026 00:33:55 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-async-dns-resolver.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-async-dns-resolver
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 9900d9b Drop Swift 6.0 (#83)
Submodule path 'Sources/CAsyncDNSResolver/c-ares': checked out '6360e96b5cf8e5980c887ce58ef727e53d77243a'
Submodule 'c-ares' (https://github.com/c-ares/c-ares.git) registered for path 'Sources/CAsyncDNSResolver/c-ares'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CAsyncDNSResolver/c-ares'...
Cloned https://github.com/apple/swift-async-dns-resolver.git
Revision (git rev-parse @):
9900d9b4113427a170d5f26075c2128be94984df
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-async-dns-resolver.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/apple/swift-async-dns-resolver.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.3
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.3
BUILD FAILURE 6.0 macosSpm