Build Information
Failed to build swift-windowsfoundation, reference main (1efad4), with Swift 6.3 for macOS (SPM) on 17 Apr 2026 06:54:14 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/thebrowsercompany/swift-windowsfoundation.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/thebrowsercompany/swift-windowsfoundation
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1efad43 update to latest swift-winrt
Cloned https://github.com/thebrowsercompany/swift-windowsfoundation.git
Revision (git rev-parse @):
1efad430c4920d80d063bfaa526dd011d8ee8379
SUCCESS checkout https://github.com/thebrowsercompany/swift-windowsfoundation.git at main
error: the package at '/Users/admin/builder/swift-cwinrt' cannot be accessed (/Users/admin/builder/swift-cwinrt doesn't exist in file system)
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/thebrowsercompany/swift-windowsfoundation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: the package at '/Users/admin/builder/swift-cwinrt' cannot be accessed (/Users/admin/builder/swift-cwinrt doesn't exist in file system)
BUILD FAILURE 6.3 macosSpm