WatchDuck – Build Information – Swift Package Index

Build Information

Failed to build WatchDuck, reference main (0c4672), with Swift 6.4 for Wasm on 22 Sep 2026 02:50:24 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/BertanT/WatchDuck.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/BertanT/WatchDuck
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0c46728 Update to the latest ci version
Cloned https://github.com/BertanT/WatchDuck.git
Revision (git rev-parse @):
0c467281521a869bd0b4e11ea2daadb83cd3a2a8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/BertanT/WatchDuck.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/BertanT/WatchDuck.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$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/apple/swift-argument-parser.git
[1/18918] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git (0.78s)
Fetching https://github.com/jpsim/Yams.git
[1/11861] Fetching yams
Fetched https://github.com/jpsim/Yams.git (1.19s)
Fetching https://github.com/JohnSundell/Plot.git
[1/2109] Fetching plot
Fetched https://github.com/JohnSundell/Plot.git (0.47s)
Fetching https://github.com/JohnSundell/ShellOut.git
[1/980] Fetching shellout
Fetched https://github.com/JohnSundell/ShellOut.git (0.85s)
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin (0.54s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3828] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.54s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.78s)
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 85e4bb4e1cd62cec64a4b8e769dcefdf0c5b9d64
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 41982a3656a71c768319979febd796c6fd111d5c
Creating working copy for https://github.com/JohnSundell/Plot.git
Working copy of https://github.com/JohnSundell/Plot.git resolved at 271926b4413fe868739d99f5eadcf2bd6cd62fb8
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
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at e1577acf2b6e90086d01a6d5e2b8efdaae033568
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at b4b8042411dc7bbb696300a34a4bf3ba1b7ad19b
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 245]
[Planning deferred tasks]
[57 / 100] ArgumentParserToolInfo
[60 / 109] Yams
[61 / 118] Plot
[61 / 118] CYaml
[64 / 118] ArgumentParserToolInfo
[65 / 118] CYaml
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/ShellOut/Sources/ShellOut.swift:8:8: [1;31merror: [1;39mno such module 'Dispatch'[0;0m
  [0;36m6 |[0;0m
  [0;36m7 |[0;0m import Foundation
  [0;36m8 |[0;0m import Dispatch
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'Dispatch'[0;0m
  [0;36m9 |[0;0m
 [0;36m10 |[0;0m // MARK: - API
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/ShellOut/Sources/ShellOut.swift -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/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name ShellOut -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/ShellOut_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/Modules/ShellOut.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/Modules/ShellOut.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/ShellOut-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/ShellOut-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/ShellOut-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/ShellOut.build/Debug-webassembly-wasm32/ShellOut-t.build/Objects-normal/wasm32/Modules/ShellOut.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm