Build Information
Failed to build Swifty-LLVM, reference main (ace9fb), with Swift 6.3 for visionOS using Xcode 26.4 on 16 Apr 2026 14:13:13 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hylo-lang/Swifty-LLVM.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hylo-lang/Swifty-LLVM
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ace9fb0 Update docs regarding Xcode build
Cloned https://github.com/hylo-lang/Swifty-LLVM.git
Revision (git rev-parse @):
ace9fb0cb2c15e0e28cc324a89f091927f760ea6
SUCCESS checkout https://github.com/hylo-lang/Swifty-LLVM.git at main
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/hylo-lang/Swifty-LLVM.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
spi-builder-workspace: (null)
2026-04-16 10:13:11.562 xcodebuild[529:3080] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-04_10-13-0011.xcresult
xcodebuild: error: Could not resolve package dependencies:
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
spi-builder-workspace: (null)
2026-04-16 10:13:13.879 xcodebuild[598:3706] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-04_10-13-0013.xcresult
xcodebuild: error: Could not resolve package dependencies:
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
BUILD FAILURE 6.3 visionOS