Swift Package Index

Build Information

Failed to build Swifty-LLVM, reference main (ace9fb), with Swift 6.3 for macOS (SPM) on 16 Apr 2026 14:13:40 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
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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
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.dEimkV/vfs.yaml", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-F", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-package-description-version", "6.2.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.6jGYWK/spi-builder-workspace-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/hylo-lang/Swifty-LLVM.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.Iwv74k/vfs.yaml", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-F", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-package-description-version", "6.2.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.2QmLoB/spi-builder-workspace-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.QWIxdf/vfs.yaml", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-F", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk", "-package-description-version", "6.2.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.VPzbZ2/spi-builder-workspace-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
BUILD FAILURE 6.3 macosSpm