MutantKit – Build Information – Swift Package Index

Build Information

Failed to build MutantKit, reference main (cb4501), with Swift 6.4 for Android on 30 Oct 2026 06:40:53 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/juntaki/mutantkit.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/juntaki/mutantkit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at cb4501a Harden run containment, speed up self-runs, and record XCTest failures (#104)
Cloned https://github.com/juntaki/mutantkit.git
Revision (git rev-parse @):
cb4501a982b3362420e8a9293abe8d35d2e54b81
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/juntaki/mutantkit.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/juntaki/mutantkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:1ec638249ee9496bfd8413990a8663326bfd4883adb2b1d6b616fd753c8ff99b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/swiftlang/swift-syntax.git
[1/11878] Fetching yams
[2/31191] Fetching yams, swift-argument-parser
[31192/112553] Fetching yams, swift-argument-parser, swift-syntax
Fetched https://github.com/apple/swift-argument-parser.git (3.91s)
Fetched https://github.com/jpsim/Yams.git (3.92s)
Fetched https://github.com/swiftlang/swift-syntax.git (3.93s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 604.0.0 (4.90s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.2 (0.12s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.14s)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 604.0.0
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.2
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz (0.28s)
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/MutantKitTests/Unit/README-CoreOperatorExpansionRED.md
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1031]
[Planning deferred tasks]
[188 / 382] SwiftSyntax601
[226 / 393] SwiftSyntax510
[235 / 394] Yams
[238 / 395] SwiftSyntax603
[250 / 397] SwiftSyntax601
[260 / 402] SwiftSyntax602
[270 / 413] MutantKit_MutantKitTests
[272 / 413] SwiftSyntax509
[273 / 413] Yams
[281 / 413] MutationModel
[282 / 413] MutationModel
[283 / 413] MutationModel
[284 / 413] MutationModel
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/ResultLedger.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile ResultLedger.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/RunContextFingerprint.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile RunContextFingerprint.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/RunReport+EvidenceArchive.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile RunReport+EvidenceArchive.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/RunStopRequest.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile RunStopRequest.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/RuntimeTranscript.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile RuntimeTranscript.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/SchemataBuildReceipt.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile SchemataBuildReceipt.swift
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MutationModel/SchemataEvidence.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile SchemataEvidence.swift
/host/spi-builder-workspace/Sources/MutationModel/Hashing.swift:1:8: [1;31merror: [1;39mno such module 'CryptoKit'[0;0m
 [0;36m1 |[0;0m import CryptoKit
   [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'CryptoKit'[0;0m
 [0;36m2 |[0;0m import Foundation
 [0;36m3 |[0;0m
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.0/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/MutationModel/AssertionKillAttribution+TestMatching.swift /host/spi-builder-workspace/Sources/MutationModel/AssertionKillAttribution.swift /host/spi-builder-workspace/Sources/MutationModel/BaselineControlObservation.swift /host/spi-builder-workspace/Sources/MutationModel/CompilerCrashSignature.swift /host/spi-builder-workspace/Sources/MutationModel/Configuration.swift /host/spi-builder-workspace/Sources/MutationModel/ConfigurationValidation.swift /host/spi-builder-workspace/Sources/MutationModel/CoreTypes.swift /host/spi-builder-workspace/Sources/MutationModel/EvidenceArchive.swift /host/spi-builder-workspace/Sources/MutationModel/EvidenceArchiveReader.swift /host/spi-builder-workspace/Sources/MutationModel/ExecutionImplementationVersion.swift /host/spi-builder-workspace/Sources/MutationModel/ExecutionProfile.swift /host/spi-builder-workspace/Sources/MutationModel/ExecutionSettings.swift /host/spi-builder-workspace/Sources/MutationModel/GateTimingRecorder.swift /host/spi-builder-workspace/Sources/MutationModel/Hashing.swift /host/spi-builder-workspace/Sources/MutationModel/InclusionReason.swift /host/spi-builder-workspace/Sources/MutationModel/Integrity.swift /host/spi-builder-workspace/Sources/MutationModel/MultiTargetVerdict.swift /host/spi-builder-workspace/Sources/MutationModel/MutationEvidence.swift /host/spi-builder-workspace/Sources/MutationModel/MutationID.swift /host/spi-builder-workspace/Sources/MutationModel/MutationObservations.swift /host/spi-builder-workspace/Sources/MutationModel/MutationOutcome.swift /host/spi-builder-workspace/Sources/MutationModel/MutationPlan.swift /host/spi-builder-workspace/Sources/MutationModel/MutationPoint.swift /host/spi-builder-workspace/Sources/MutationModel/MutationResult.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+BaselineControl.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+Classification.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+Confirmation.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+KillAttribution.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+Proof.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier+SchemataChain.swift /host/spi-builder-workspace/Sources/MutationModel/MutationVerdictVerifier.swift /host/spi-builder-workspace/Sources/MutationModel/OperationalIssue.swift /host/spi-builder-workspace/Sources/MutationModel/OperatorDescriptor.swift /host/spi-builder-workspace/Sources/MutationModel/PlannedMutationRef.swift /host/spi-builder-workspace/Sources/MutationModel/ProgressReporter.swift /host/spi-builder-workspace/Sources/MutationModel/ProofIdentity.swift /host/spi-builder-workspace/Sources/MutationModel/QualityGate.swift /host/spi-builder-workspace/Sources/MutationModel/ReportReverification+KillEvidence.swift /host/spi-builder-workspace/Sources/MutationModel/ReportReverification+ProductEvidence.swift /host/spi-builder-workspace/Sources/MutationModel/ReportReverification+RequiredChecks.swift /host/spi-builder-workspace/Sources/MutationModel/ReportReverification.swift /host/spi-builder-workspace/Sources/MutationModel/ReportReverifier+TierB.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/ResultLedger.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/RunContextFingerprint.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/RunReport+EvidenceArchive.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/RunStopRequest.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/RuntimeTranscript.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/SchemataBuildReceipt.swift -primary-file /host/spi-builder-workspace/Sources/MutationModel/SchemataEvidence.swift /host/spi-builder-workspace/Sources/MutationModel/SchemataLowering.swift /host/spi-builder-workspace/Sources/MutationModel/SchemataPlan.swift /host/spi-builder-workspace/Sources/MutationModel/SchemataQualification.swift /host/spi-builder-workspace/Sources/MutationModel/SimulatorPreparationRecord.swift /host/spi-builder-workspace/Sources/MutationModel/TestObservation.swift /host/spi-builder-workspace/Sources/MutationModel/VerdictProof.swift /host/spi-builder-workspace/Sources/MutationModel/VerifiedMutationRecord.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/supplementaryOutputs-12 -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -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 -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.0/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/21 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MutationModel -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/MutationModel_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/ResultLedger.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunContextFingerprint.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunReport+EvidenceArchive.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunStopRequest.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RuntimeTranscript.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/SchemataBuildReceipt.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/SchemataEvidence.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/ResultLedger.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunContextFingerprint.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunReport+EvidenceArchive.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RunStopRequest.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/RuntimeTranscript.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/SchemataBuildReceipt.o -index-unit-output-path /MutantKit.build/Debug-android-aarch64/MutationModel-t.build/Objects-normal/aarch64/SchemataEvidence.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android