Swift Package Index

Build Information

Failed to build Kass, reference main (f8b015), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 03:59:54 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nmggithub/Kass.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nmggithub/Kass
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f8b0159 allow for mutable descriptors
Cloned https://github.com/nmggithub/Kass.git
Revision (git rev-parse @):
f8b01598be657e66bef8774ec618ba427a3cd705
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/nmggithub/Kass.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/nmggithub/Kass.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 / 502]
[Planning deferred tasks]
[38 / 145] MachCore-product
[70 / 145]
[74 / 147] KassC
[77 / 151]
[85 / 151] Linking
[95 / 186] KassHelpers
[98 / 186]
[103 / 186]
[105 / 186]
[109 / 186]
[111 / 186]
[114 / 186]
[117 / 186]
[119 / 186]
[120 / 186]
[123 / 186] Linking
[130 / 187] MachCore
[133 / 202]
[144 / 202] MachCore
[146 / 202] Linking
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin (1.38s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (4.05s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3828] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.42s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.17s)
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/AttributeRecipe.swift:274:34: error: 'VoucherATMAttributeRecipeCommand' is unavailable in macOS
 54 |         /// An ATM voucher attribute recipe command.
 55 |         @available(macOS, obsoleted: 11.0.1)
 56 |         public struct VoucherATMAttributeRecipeCommand: VoucherAttributeRecipeCommand {
    |                       `- note: 'VoucherATMAttributeRecipeCommand' was obsoleted in macOS 11.0.1
 57 |             /// The name of the ATM command, if it can be determined.
 58 |             public let name: String?
    :
272 |             /// Creates a new voucher attribute recipe for an ATM command.
273 |             public init(
274 |                 atmCommand: Mach.VoucherATMAttributeRecipeCommand,
    |                                  `- error: 'VoucherATMAttributeRecipeCommand' is unavailable in macOS
275 |                 previousVoucher: Mach.Voucher = Mach.Voucher.Nil, content: Data? = nil
276 |             ) {
/Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/Voucher.swift:24:27: error: 'atm' is unavailable in macOS
 22 |         /// All known voucher attribute keys.
 23 |         public static let allCases: [Self] = [
 24 |             .all, .none, .atm, .importance, .bank, .pthreadPriority, .userData, .test,
    |                           `- error: 'atm' is unavailable in macOS
 25 |         ]
 26 |
    :
 34 |
 35 |         @available(macOS, obsoleted: 11.0.1)
 36 |         public static let atm = VoucherAttributeKey(
    |                           `- note: 'atm' was obsoleted in macOS 11.0.1
 37 |             name: "atm", rawValue: MACH_VOUCHER_ATTR_KEY_ATM
 38 |         )
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Exception/ExceptionMessages.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Exception/ExceptionPort.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Exception/ExceptionPorts.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/FlavoredDataManager.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/Host.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/HostInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/HostInfoPrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/HostSpecialPorts.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/HostStatistics.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/KextRequest.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Host/LockGroupInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Mach.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Communication.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Descriptors.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Header.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGClient.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGError.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGPayload.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGReply.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGReplyPort.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGRequest.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/MIG/MIGServer.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Message.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Options.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Payload.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Messaging/Queues.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/Bootstrap/BoostrapPort.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/Bootstrap/ConnectionPort.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/Bootstrap/InitializableByServiceName.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/Bootstrap/ServicePort.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/KernelObject.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/Port.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/PortAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/PortDisposition.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/PortLifecycle.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/PortSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Port/PortUserRefs.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/Processor.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorBasicInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSetControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSetFlavored.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSetInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSetInfoPrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Processor/ProcessorSet/ProcessorSetStatistics.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Synchronization/Eventlink.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/Task.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskCorpse.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskDyldInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskFlavored.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskForPID.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskIdentityToken.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskInspectInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskPolicy.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskPolicyPrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Task/TaskSpecialPorts.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/Thread.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadFlavored.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadPolicy.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadPolicyPrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadSpecialPorts.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadState.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadStateConvert.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadStatePrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Thread/ThreadSwitchPrivate.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Alarm.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Clock.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Extensions/ClockAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Extensions/ClockControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Extensions/HostClocks.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Extensions/Sleeping.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Clock/Extensions/SwiftClock.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Semaphore/Semaphore.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/Timer/Timer.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Timing/TimingExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/VirtualMemory/MemoryInfo.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/VirtualMemory/VMTags.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/VirtualMemory/VirtualMemoryManager.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/VirtualMemory/Zone.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/AttributeRecipe.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/ForTask.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/ForThread.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/Voucher/Voucher.swift /Users/admin/builder/spi-builder-workspace/Sources/Mach/Core/WithSpecialPorts.swift -target arm64-apple-macos12.0 -module-can-import Bootstrap -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -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/Kass.build/Debug/MachCore-t.build/Objects-normal/arm64/MachCore-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/PackageFrameworks -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 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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 -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/KassC/include/module.modulemap -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/Sources/KassC/include -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/Kass.build/Debug/MachCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MachCore -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/Objects-normal/arm64/MachCore_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 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/Objects-normal/arm64/MachCore.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/Objects-normal/arm64/MachCore.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Kass.build/Debug/MachCore-t.build/Objects-normal/arm64/MachCore-Swift.h 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error: Build failed
BUILD FAILURE 6.4 macosSpm