Swift Package Index

Build Information

Failed to build Hylo, reference main (0f1e3d), with Swift 6.3 for macOS (SPM) on 28 Apr 2026 21:31:43 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
========================================
Clone URL: https://github.com/hylo-lang/hylo.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hylo-lang/hylo
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0f1e3db Bump crate-ci/typos from 1.45.1 to 1.45.2
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.git
Revision (git rev-parse @):
0f1e3dbaa611cf3e9646b46bf2740a71057dd072
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo.git at main
Fetching https://github.com/hylo-lang/Durian.git
Fetching https://github.com/hylo-lang/Swifty-LLVM
Fetching https://github.com/SwiftPackageIndex/SPIManifest.git
Fetching https://github.com/apple/swift-numerics.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/jpsim/Yams.git
[1/4878] Fetching bigint
[2/5881] Fetching bigint, spimanifest
[13/6105] Fetching bigint, spimanifest, durian
[237/11025] Fetching bigint, spimanifest, durian, swifty-llvm
[384/22576] Fetching bigint, spimanifest, durian, swifty-llvm, yams
[483/28992] Fetching bigint, spimanifest, durian, swifty-llvm, yams, swift-numerics
[1434/52792] Fetching bigint, spimanifest, durian, swifty-llvm, yams, swift-numerics, swift-collections
Fetched https://github.com/hylo-lang/Swifty-LLVM from cache (1.02s)
[7979/47872] Fetching bigint, spimanifest, durian, yams, swift-numerics, swift-collections
Fetching https://github.com/apple/swift-argument-parser.git
Fetched https://github.com/hylo-lang/Durian.git from cache (1.27s)
Fetching https://github.com/apple/swift-syntax.git
[15234/47648] Fetching bigint, spimanifest, yams, swift-numerics, swift-collections
[44272/65133] Fetching bigint, spimanifest, yams, swift-numerics, swift-collections, swift-argument-parser
Fetched https://github.com/jpsim/Yams.git from cache (2.09s)
Fetched https://github.com/SwiftPackageIndex/SPIManifest.git from cache (2.10s)
Fetched https://github.com/apple/swift-collections.git from cache (2.10s)
Fetched https://github.com/apple/swift-numerics.git from cache (2.10s)
Fetched https://github.com/attaswift/BigInt.git from cache (2.10s)
[3497/17485] Fetching swift-argument-parser
Fetching https://github.com/apple/swift-tools-support-core.git
Fetching https://github.com/apple/swift-format
Fetching https://github.com/apple/swift-algorithms.git
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.45s)
[1/75039] Fetching swift-syntax
[1502/81097] Fetching swift-syntax, swift-algorithms
[15583/94864] Fetching swift-syntax, swift-algorithms, swift-format
[28172/102082] Fetching swift-syntax, swift-algorithms, swift-format, swift-tools-support-core
Fetched https://github.com/apple/swift-tools-support-core.git from cache (1.37s)
[78356/94864] Fetching swift-syntax, swift-algorithms, swift-format
Fetched https://github.com/apple/swift-algorithms.git from cache (1.46s)
Fetched https://github.com/apple/swift-format from cache (1.46s)
[63784/75039] Fetching swift-syntax
Fetched https://github.com/apple/swift-syntax.git from cache (3.89s)
Creating working copy for https://github.com/apple/swift-numerics.git
Creating working copy for https://github.com/hylo-lang/Durian.git
Creating working copy for https://github.com/hylo-lang/Swifty-LLVM
Creating working copy for https://github.com/jpsim/Yams.git
Creating working copy for https://github.com/attaswift/BigInt.git
Creating working copy for https://github.com/SwiftPackageIndex/SPIManifest.git
Creating working copy for https://github.com/apple/swift-collections.git
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/SwiftPackageIndex/SPIManifest.git resolved at 1.10.0
Creating working copy for https://github.com/apple/swift-format
Working copy of https://github.com/hylo-lang/Swifty-LLVM resolved at cff484ecca159d9eec1938cda83a72b57cdfbd08
Creating working copy for https://github.com/apple/swift-syntax.git
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/hylo-lang/Durian.git resolved at 61d0681cafb43f595477b62b4cd5baf8bdfafe41
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.2
Working copy of https://github.com/jpsim/Yams.git resolved at 5.1.3
Working copy of https://github.com/attaswift/BigInt.git resolved at 5.7.0
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.6.1
Working copy of https://github.com/apple/swift-format resolved at 508.0.1
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Working copy of https://github.com/apple/swift-collections.git resolved at 1.2.1
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at 0.7.2
Working copy of https://github.com/apple/swift-syntax.git resolved at 508.0.1
error: 'swifty-llvm': 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.Z5eDtN/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/.build/checkouts/Swifty-LLVM/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.OUKZk4/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
error: 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.Z5eDtN/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/.build/checkouts/Swifty-LLVM/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.OUKZk4/swifty-llvm-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/hylo.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: 'swifty-llvm': 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.y1cyS7/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/.build/checkouts/Swifty-LLVM/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.1JXdky/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
error: 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.y1cyS7/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/.build/checkouts/Swifty-LLVM/Package.swift", "-o", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.1JXdky/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
BUILD FAILURE 6.3 macosSpm