swift-htmlkit – Build Information

Build Information

Failed to build swift-htmlkit, reference main (e1a718), with Swift 6.4 for macOS (SPM) on 24 Sep 2026 16:48:37 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/RandomHashTags/swift-htmlkit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RandomHashTags/swift-htmlkit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e1a7184 Merge pull request #14 from RandomHashTags/support-trailing-closure-for-uncheckedHTML
Cloned https://github.com/RandomHashTags/swift-htmlkit.git
Revision (git rev-parse @):
e1a71840ae6e603bbee241b3d18f66d7e702b390
SUCCESS checkout https://github.com/RandomHashTags/swift-htmlkit.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/RandomHashTags/swift-htmlkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 796]
[Planning deferred tasks]
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[470 / 540] HTMLKitUtilities
[481 / 551] HTMLKitUtilities
Fetching https://github.com/swiftlang/swift-syntax
[1/80067] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (6.51s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 601.0.1 (9.43s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 601.0.1
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLOptimizedLiteral.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile HTMLOptimizedLiteral.swift
/Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLOptimizedLiteral.swift:5:36: [1;31merror: [1;39mparameter packs in generic types are only available in macOS 14.0.0 or newer[0;0m
 [0;36m3 |[0;0m ///
 [0;36m4 |[0;0m /// Made to outperform string concatenation in every way.
 [0;36m5 |[0;0m public struct HTMLOptimizedLiteral<each Literal: TextOutputStreamable> {
   [0;36m|[0;0m               |                    `- [1;31merror: [1;39mparameter packs in generic types are only available in macOS 14.0.0 or newer[0;0m
   [0;36m|[0;0m               `- [1;39mnote: [1;39madd '@available' attribute to enclosing generic struct[0;0m
 [0;36m6 |[0;0m     public let reserveCapacity:Int
 [0;36m7 |[0;0m
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLElementType.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLEncoding.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLEvent.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLExpansionResultType.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLInitializable.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLKitUtilities.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/HTMLOptimizedLiteral.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/LiteralReturnType.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/Minify.swift /Users/admin/builder/spi-builder-workspace/Sources/HTMLKitUtilities/TranslateHTML.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.dia -target arm64-apple-macos13.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLKitUtilities-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -load-plugin-executable /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/HTMLKitUtilityMacros\#HTMLKitUtilityMacros -enable-experimental-feature StrictConcurrency -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name HTMLKitUtilities -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLKitUtilities_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLKitUtilities.swiftmodule -index-unit-output-path /swift-htmlkit.build/Debug/HTMLKitUtilities-t.build/Objects-normal/arm64/HTMLOptimizedLiteral.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm