Swift Package Index

Build Information

Failed to build SwiftGraphviz, reference 0.6.1 (56fab0), with Swift 6.1 for macOS (SPM) on 7 Apr 2026 00:15:42 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Vithanco/SwiftGraphviz.git
Reference: 0.6.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Vithanco/SwiftGraphviz
 * tag               0.6.1      -> FETCH_HEAD
HEAD is now at 56fab06 fix: link libc++ explicitly for Xcode 26 compatibility
Cloned https://github.com/Vithanco/SwiftGraphviz.git
Revision (git rev-parse @):
56fab063ee31ebea9c75116cf2d1b946de2bc55c
SUCCESS checkout https://github.com/Vithanco/SwiftGraphviz.git at 0.6.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Vithanco/SwiftGraphviz.git
https://github.com/Vithanco/SwiftGraphviz.git
error: target at '/Users/admin/builder/spi-builder-workspace/Sources' contains mixed language source files; feature not supported
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: 'spi-builder-workspace': target at '/Users/admin/builder/spi-builder-workspace/Sources' contains mixed language source files; feature not supported
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': target at '/Users/admin/builder/spi-builder-workspace/Sources' contains mixed language source files; feature not supported
BUILD FAILURE 6.1 macosSpm