Swift Package IndexBuild Information
Failed to build Neon, reference main (38cf4a), with Swift 6.4 for Wasm on 27 Sep 2026 18:30:02 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/slsrepo/Neon.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/slsrepo/Neon
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 38cf4a6 Update the contact email for the Code of Conduct enforcement
Submodule path 'tree-sitter-swift': checked out '50b8c5e61c29fa30e760c7a1cbf24b59970e6233'
Submodule 'tree-sitter-swift' (https://github.com/alex-pinkus/tree-sitter-swift) registered for path 'tree-sitter-swift'
Cloning into '/host/spi-builder-workspace/tree-sitter-swift'...
Cloned https://github.com/slsrepo/Neon.git
Revision (git rev-parse @):
38cf4a6a05a6aa1e038b65a16f773c77d4145efc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/slsrepo/Neon.git at main
========================================
Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/slsrepo/Neon.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$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/ChimeHQ/SwiftTreeSitter
[1/1752] Fetching swifttreesitter
Fetched https://github.com/ChimeHQ/SwiftTreeSitter (0.44s)
Fetching https://github.com/ChimeHQ/Rearrange
Fetching https://github.com/tree-sitter/tree-sitter
[1/609] Fetching rearrange
[610/73099] Fetching rearrange, tree-sitter
Fetched https://github.com/ChimeHQ/Rearrange (1.87s)
Fetched https://github.com/tree-sitter/tree-sitter (1.89s)
Computing version for https://github.com/ChimeHQ/Rearrange
Computed https://github.com/ChimeHQ/Rearrange at 2.1.1 (2.08s)
Computing version for https://github.com/tree-sitter/tree-sitter
Computed https://github.com/tree-sitter/tree-sitter at 0.25.10 (0.16s)
Creating working copy for https://github.com/tree-sitter/tree-sitter
Working copy of https://github.com/tree-sitter/tree-sitter resolved at 0.25.10
Creating working copy for https://github.com/ChimeHQ/SwiftTreeSitter
Working copy of https://github.com/ChimeHQ/SwiftTreeSitter resolved at main (cbe31cb)
Creating working copy for https://github.com/ChimeHQ/Rearrange
Working copy of https://github.com/ChimeHQ/Rearrange resolved at 2.1.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 275]
[Starting]
[61 / 118] SwiftTreeSitter
[68 / 118] TreeSitter
[71 / 118] TreeSitter
[77 / 118] SwiftTreeSitter
[84 / 128] Rearrange
[88 / 128] Rearrange
[95 / 129] Rearrange-product
[103 / 148] SwiftTreeSitterLayer
[105 / 148] SwiftTreeSitterLayer
[107 / 149] SwiftTreeSitterLayer
[114 / 149] SwiftTreeSitterLayer
[115 / 149] SwiftTreeSitterLayer-product
[120 / 149] Rearrange
[123 / 150] SwiftTreeSitterLayer
[131 / 150] TreeSitterClient
[136 / 157] TreeSitterClient
[138 / 157] TreeSitterClient
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/TreeSitterClient/TreeSitter+Extensions.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile TreeSitter+Extensions.swift
/host/spi-builder-workspace/Sources/TreeSitterClient/BackgroundProcessor.swift:1:8: [1;31merror: [1;39mno such module 'Dispatch'[0;0m
[0;36m1 |[0;0m import Dispatch
[0;36m|[0;0m `- [1;31merror: [1;39mno such module 'Dispatch'[0;0m
[0;36m2 |[0;0m
[0;36m3 |[0;0m final class BackgroundProcessor<Value> {
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/TreeSitterClient/BackgroundProcessor.swift /host/spi-builder-workspace/Sources/TreeSitterClient/BackgroundingLanguageLayerTree.swift /host/spi-builder-workspace/Sources/TreeSitterClient/HybridSyncAsyncVersionedResource.swift -primary-file /host/spi-builder-workspace/Sources/TreeSitterClient/TreeSitter+Extensions.swift /host/spi-builder-workspace/Sources/TreeSitterClient/TreeSitterClient.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.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 -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 -fmodule-map-file\=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-webassembly-wasm32/TreeSitter.modulemap -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/checkouts/tree-sitter/lib/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name TreeSitterClient -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitterClient_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/Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.o -index-unit-output-path /Neon.build/Debug-webassembly-wasm32/TreeSitterClient-t.build/Objects-normal/wasm32/TreeSitter+Extensions.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm