Swift Package IndexBuild Information
Failed to build PitchSpeller, reference master (f4fe72), with Swift 6.4 for Wasm on 16 Sep 2026 15:19:15 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bwetherfield/pitchspeller.git
Reference: master
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/bwetherfield/pitchspeller
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at f4fe72e Merge pull request #6 from bwetherfield/cleanup
Cloned https://github.com/bwetherfield/pitchspeller.git
Revision (git rev-parse @):
f4fe72e5f3c5f613dd364da7edd6f10c09e2200a
SUCCESS checkout https://github.com/bwetherfield/pitchspeller.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/bwetherfield/pitchspeller.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/dn-m/Structure
[1/5829] Fetching structure
Fetched https://github.com/dn-m/Structure (0.53s)
Fetching https://github.com/dn-m/PerformanceTesting
[1/1525] Fetching performancetesting
Fetched https://github.com/dn-m/PerformanceTesting (0.53s)
Fetching https://github.com/dn-m/Music
Fetching https://github.com/dn-m/NotationModel
[1/4196] Fetching music
Fetched https://github.com/dn-m/Music (0.52s)
[1/13161] Fetching notationmodel
Fetched https://github.com/dn-m/NotationModel (0.63s)
Computing version for https://github.com/dn-m/NotationModel
Computed https://github.com/dn-m/NotationModel at 0.9.0 (0.82s)
Fetching https://github.com/dn-m/Math
[1/841] Fetching math
Fetched https://github.com/dn-m/Math (0.50s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (1.56s)
Computing version for https://github.com/dn-m/Music
Computed https://github.com/dn-m/Music at 0.17.1 (0.20s)
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at pitchspeller-dependency (0c298e2)
Creating working copy for https://github.com/dn-m/NotationModel
Working copy of https://github.com/dn-m/NotationModel resolved at 0.9.0
Creating working copy for https://github.com/dn-m/Math
Working copy of https://github.com/dn-m/Math resolved at 0.8.0
Creating working copy for https://github.com/dn-m/Music
Working copy of https://github.com/dn-m/Music resolved at 0.17.1
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at pitchspeller-dependency (8386aad)
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 274]
[Constructing 1 / 607]
[55 / 112] Destructure
[71 / 132] Algorithms
[81 / 132] Algorithms
[89 / 133] Destructure
[95 / 135] Algorithms
[105 / 144] DataStructures
[106 / 145] DataStructures
[107 / 145] Algebra
[109 / 145] Algebra-product
[109 / 145] DataStructures
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Rational.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile Rational.swift
[122 / 155] Math
/host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/DoubleExtensions.swift:15:8: [1;31merror: [1;39mno such module 'Darwin.C'[0;0m
[0;36m13 |[0;0m import Glibc
[0;36m14 |[0;0m #else
[0;36m15 |[0;0m import Darwin.C
[0;36m|[0;0m `- [1;31merror: [1;39mno such module 'Darwin.C'[0;0m
[0;36m16 |[0;0m #endif
[0;36m17 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Bitwise.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/CollectionExtensions.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/DoubleExtensions.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Fraction.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Functions.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/GCDDomain.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/IntegerExtensions.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/LinearRegression.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Power.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/PowerOfTwoSequence.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Proximity.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Quadratic.swift -primary-file /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Rational.swift /host/spi-builder-workspace/.build/checkouts/Math/Sources/Math/Scale.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -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 -suppress-warnings -swift-version 4.2 -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 /usr/lib/swift/host/plugins/testing\#/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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -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-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Math -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Math_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.o -index-unit-output-path /Math.build/Debug-webassembly-wasm32/Math-t.build/Objects-normal/wasm32/Rational.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm