Swift Package IndexBuild Information
Failed to build SwiftSCAD, reference main (4900eb), with Swift 6.4 for Wasm on 21 Sep 2026 12:15:54 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tomasf/SwiftSCAD.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/tomasf/SwiftSCAD
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 4900ebd Update README.md
Cloned https://github.com/tomasf/SwiftSCAD.git
Revision (git rev-parse @):
4900ebd7213c0a2daa8886d2f3d28cc497d24c22
SUCCESS checkout https://github.com/tomasf/SwiftSCAD.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/tomasf/SwiftSCAD.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images: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/apple/swift-collections.git
Fetching https://github.com/apple/swift-log.git
[1/8096] Fetching swift-log
[8097/35448] Fetching swift-log, swift-collections
Fetched https://github.com/apple/swift-log.git (1.12s)
Fetched https://github.com/apple/swift-collections.git (1.12s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (1.42s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.19s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 387]
[Planning deferred tasks]
[6 / 150] AllExcludingTests
[83 / 170] InternalCollectionsUtilities
[94 / 170] Logging-product
[100 / 170] InternalCollectionsUtilities
[102 / 170] HeapModule
[105 / 173] OrderedCollections
[111 / 200] HashTreeCollections
[113 / 200] _RopeModule
[114 / 209] HashTreeCollections
[117 / 210] HeapModule
[122 / 210] _RopeModule
[123 / 210] _RopeModule
[124 / 210] OrderedCollections
[125 / 210] OrderedCollections
[126 / 210] _RopeModule
[136 / 210] OrderedCollections
[138 / 210] OrderedCollections
[139 / 210] OrderedCollections
[140 / 210] OrderedCollections
[141 / 210] OrderedCollections
[142 / 210] Logging
[151 / 210] HeapModule
[151 / 210] _RopeModule
[155 / 210] InternalCollectionsUtilities
[157 / 210] InternalCollectionsUtilities
[159 / 210] HashTreeCollections
[161 / 210] HashTreeCollections
[164 / 211] HeapModule
[168 / 212] OrderedCollections
[172 / 214] BitCollections
[173 / 223] ContainersPreview
[175 / 232] BitCollections
[177 / 233] _RopeModule
[178 / 233] ContainersPreview
[187 / 233] ContainersPreview
[191 / 233] BitCollections
[193 / 233] BitCollections
[194 / 234] ContainersPreview
[201 / 234] BitCollections
[203 / 234] BitCollections
[204 / 234]
[207 / 244] DequeModule
[208 / 244] DequeModule
[209 / 245] BitCollections
[212 / 245] HashTreeCollections
[215 / 245] DequeModule
[216 / 245] DequeModule
[216 / 245]
[221 / 245] ContainersPreview
[221 / 245] DequeModule
[224 / 246] DequeModule
[242 / 254]
[252 / 264] SwiftSCAD
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/SwiftSCAD/Concurrency.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile Concurrency.swift
/host/spi-builder-workspace/Sources/SwiftSCAD/Concurrency.swift:5:9: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m3 |[0;0m internal extension Collection where Self: Sendable, Element: Sendable {
[0;36m4 |[0;0m func concurrentForEach(_ body: @Sendable @escaping (Element) -> Void) {
[0;36m5 |[0;0m [4;39mDispatchQueue[0;0m.concurrentPerform(iterations: count) { i in
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m6 |[0;0m let element = self[index(startIndex, offsetBy: i)]
[0;36m7 |[0;0m body(element)
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -filelist /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/sources-1 -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/ArrayBuilder.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Compatibility.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Concurrency.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Development/Colored.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Development/ForceRender.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Development/Prefix.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Development/VisualizeAxes.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Environment.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/EnvironmentContext.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/EnvironmentModifier.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/EnvironmentValues.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/ReadEnvironment.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/Environment+Color.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/Environment+Transform.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/Facets.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/NaturalUpDirection.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/Operation.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/PreviewConvexity.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Environment/Values/Tolerance.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Extensions.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Geometry/Anchors/AnchorList.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSCAD/Geometry/Anchors/Anchors+Public.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/supplementaryOutputs-52 -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 -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 /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/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSCAD -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/SwiftSCAD_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/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ArrayBuilder.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Compatibility.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Concurrency.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Colored.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ForceRender.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Prefix.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/VisualizeAxes.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentContext.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentModifier.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentValues.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ReadEnvironment.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment+Color.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment+Transform.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Facets.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/NaturalUpDirection.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Operation.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/PreviewConvexity.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Tolerance.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Extensions.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/AnchorList.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Anchors+Public.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ArrayBuilder.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Compatibility.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Concurrency.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Colored.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ForceRender.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Prefix.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/VisualizeAxes.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentContext.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentModifier.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/EnvironmentValues.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/ReadEnvironment.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment+Color.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Environment+Transform.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Facets.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/NaturalUpDirection.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Operation.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/PreviewConvexity.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Tolerance.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Extensions.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/AnchorList.o -index-unit-output-path /SwiftSCAD.build/Debug-webassembly-wasm32/SwiftSCAD-t.build/Objects-normal/wasm32/Anchors+Public.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
[253 / 265] SwiftSCAD
error: Build failed
BUILD FAILURE 6.4 wasm