Swift Package Index

Build Information

Failed to build Hylo, reference main (688915), with Swift 6.2 for macOS (SPM) on 23 Oct 2026 05:52:47 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/hylo-lang/hylo-old.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hylo-lang/hylo-old
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6889158 Typo
Submodule path 'SPMBuildToolSupport': checked out 'c270d23a9c70aa015e09a9c0ea28e36d2801adc4'
Submodule 'SPMBuildToolSupport' (https://github.com/dabrahams/SPMBuildToolSupport.git) registered for path 'SPMBuildToolSupport'
Cloning into '/Users/admin/builder/spi-builder-workspace/SPMBuildToolSupport'...
Cloned https://github.com/hylo-lang/hylo-old.git
Revision (git rev-parse @):
6889158246df571baa9079115817ab2bff61156b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo-old.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/hylo-lang/hylo-old.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Fetching https://github.com/hylo-lang/Durian.git
[1/224] Fetching durian
Fetched https://github.com/hylo-lang/Durian.git from cache (1.00s)
Fetching https://github.com/hylo-lang/Swifty-LLVM
[1/6191] Fetching swifty-llvm
Fetched https://github.com/hylo-lang/Swifty-LLVM from cache (1.11s)
error: Invalid manifest (compiled with: ["/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.IjWx40/vfs.yaml", "-L", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk", "-F", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk", "-package-description-version", "6.2.0", "/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.A0MWoP/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value in https://github.com/hylo-lang/Swifty-LLVM
BUILD FAILURE 6.2 macosSpm