Swift Package Index

Build Information

Failed to build Hylo, reference main (b86ff7), with Swift 6.3 for macOS (SPM) on 18 Jul 2026 14:50:57 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: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
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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 b86ff70 Bump devcontainers/ci from 0.3.1900000449 to 0.3.1900000450
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 @):
b86ff706a3a81ef6ae52e15d912988a6c6d5fe1b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo.git at main
Fetching https://github.com/apple/swift-numerics.git
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/apple/swift-format
Fetching https://github.com/apple/swift-tools-support-core.git
Fetching https://github.com/hylo-lang/Swifty-LLVM
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/jpsim/Yams.git
[1/5944] Fetching swifty-llvm
[2/10883] Fetching swifty-llvm, bigint
[3/22730] Fetching swifty-llvm, bigint, yams
[4/29171] Fetching swifty-llvm, bigint, yams, swift-numerics
[1221/43638] Fetching swifty-llvm, bigint, yams, swift-numerics, swift-format
[1222/69751] Fetching swifty-llvm, bigint, yams, swift-numerics, swift-format, swift-collections
[10438/77083] Fetching swifty-llvm, bigint, yams, swift-numerics, swift-format, swift-collections, swift-tools-support-core
Fetched https://github.com/apple/swift-numerics.git from cache (1.38s)
[44375/70642] Fetching swifty-llvm, bigint, yams, swift-format, swift-collections, swift-tools-support-core
Fetching https://github.com/SwiftPackageIndex/SPIManifest.git
Fetched https://github.com/apple/swift-tools-support-core.git from cache (1.43s)
Fetching https://github.com/apple/swift-algorithms.git
[37754/63310] Fetching swifty-llvm, bigint, yams, swift-format, swift-collections
Fetched https://github.com/apple/swift-format from cache (1.55s)
Fetched https://github.com/attaswift/BigInt.git from cache (1.56s)
[18728/43904] Fetching swifty-llvm, yams, swift-collections
Fetching https://github.com/apple/swift-syntax.git
Fetching https://github.com/hylo-lang/Durian.git
[39141/44917] Fetching swifty-llvm, yams, swift-collections, spimanifest
[41547/50993] Fetching swifty-llvm, yams, swift-collections, spimanifest, swift-algorithms
Fetched https://github.com/SwiftPackageIndex/SPIManifest.git from cache (0.87s)
[42848/49980] Fetching swifty-llvm, yams, swift-collections, swift-algorithms
Fetching https://github.com/apple/swift-argument-parser.git
Fetched https://github.com/apple/swift-collections.git from cache (2.37s)
[20890/23867] Fetching swifty-llvm, yams, swift-algorithms
[20891/24091] Fetching swifty-llvm, yams, swift-algorithms, durian
Fetched https://github.com/hylo-lang/Swifty-LLVM from cache (2.49s)
Fetched https://github.com/jpsim/Yams.git from cache (2.49s)
Fetched https://github.com/apple/swift-algorithms.git from cache (1.09s)
[1/76059] Fetching swift-syntax
[2283/94205] Fetching swift-syntax, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.71s)
[12931/76059] Fetching swift-syntax
Fetched https://github.com/hylo-lang/Durian.git from cache (7.12s)
Fetched https://github.com/apple/swift-syntax.git from cache (7.12s)
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/apple/swift-collections.git
Creating working copy for https://github.com/apple/swift-format
Creating working copy for https://github.com/apple/swift-algorithms.git
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Creating working copy for https://github.com/hylo-lang/Durian.git
Creating working copy for https://github.com/apple/swift-syntax.git
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/hylo-lang/Swifty-LLVM resolved at cff484ecca159d9eec1938cda83a72b57cdfbd08
Creating working copy for https://github.com/SwiftPackageIndex/SPIManifest.git
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/hylo-lang/Durian.git resolved at 61d0681cafb43f595477b62b4cd5baf8bdfafe41
Working copy of https://github.com/attaswift/BigInt.git resolved at 5.7.0
Working copy of https://github.com/apple/swift-algorithms.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-format resolved at 508.0.1
Working copy of https://github.com/SwiftPackageIndex/SPIManifest.git resolved at 1.10.0
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/apple/swift-collections.git resolved at 1.2.1
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.6.1
Working copy of https://github.com/apple/swift-syntax.git resolved at 508.0.1
error: 'swifty-llvm': Invalid manifest (compiled with: ["/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.yGaMK3/vfs.yaml", "-L", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.sdk", "-F", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-I", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.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.z1aUrA/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
error: Invalid manifest (compiled with: ["/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.yGaMK3/vfs.yaml", "-L", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-plugin-path", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing", "-sdk", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.sdk", "-F", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-I", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "6", "-I", "/Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.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.z1aUrA/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.76LEhj/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.9E2Aeu/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.76LEhj/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.9E2Aeu/swifty-llvm-manifest"])
main/Package.swift:152: Fatal error: Unexpectedly found nil while unwrapping an Optional value
BUILD FAILURE 6.3 macosSpm