Stitcher – Build Information – Swift Package Index

Build Information

Failed to build Stitcher, reference v1.1.0 (d13eba), with Swift 6.4 for Wasm on 20 Sep 2026 20:03:30 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/athankefalas/Stitcher.git
Reference: v1.1.0
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/athankefalas/Stitcher
 * tag               v1.1.0     -> FETCH_HEAD
HEAD is now at d13eba0 Release version 1.1.0
Cloned https://github.com/athankefalas/Stitcher.git
Revision (git rev-parse @):
d13eba05d6fbbd9cec10f965dee5dac0efe9e513
SUCCESS checkout https://github.com/athankefalas/Stitcher.git at v1.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/athankefalas/Stitcher.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$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-collections.git
Fetching https://github.com/OpenCombine/OpenCombine.git
[1/8284] Fetching opencombine
[4723/35636] Fetching opencombine, swift-collections
Fetched https://github.com/OpenCombine/OpenCombine.git (0.68s)
[6018/27352] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.16s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (2.36s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.6 (0.32s)
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.6
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 359]
[Planning deferred tasks]
[69 / 147] InternalCollectionsUtilities
[78 / 165] OpenCombine
[81 / 165] OpenCombine
[87 / 165] InternalCollectionsUtilities
[93 / 165] InternalCollectionsUtilities
[94 / 165] OpenCombineDispatch
[95 / 165] OpenCombineDispatch
[96 / 165] InternalCollectionsUtilities
[97 / 165] _RopeModule
[99 / 167]
[102 / 168] OrderedCollections
[105 / 186] _RopeModule
[106 / 186] _RopeModule
[107 / 186] _RopeModule
[108 / 186] _RopeModule
[110 / 186] _RopeModule
[111 / 186] _RopeModule
[112 / 187] _RopeModule
[113 / 187] OrderedCollections
[115 / 187] OrderedCollections
[125 / 187] OrderedCollections
[126 / 187] OrderedCollections
[128 / 187] OrderedCollections
[128 / 187] _RopeModule
[131 / 187] OpenCombine
[132 / 187] OpenCombine
[134 / 188]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/OpenCombine/Sources/OpenCombineDispatch/DispatchQueue+Scheduler.swift:8:8: [1;31merror: [1;39mno such module 'Dispatch'[0;0m
  [0;36m6 |[0;0m //
  [0;36m7 |[0;0m
  [0;36m8 |[0;0m import Dispatch
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'Dispatch'[0;0m
  [0;36m9 |[0;0m import OpenCombine
 [0;36m10 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/OpenCombine/Sources/OpenCombineDispatch/DispatchQueue+Scheduler.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 5 -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/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name OpenCombineDispatch -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/OpenCombineDispatch_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/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/Modules/OpenCombineDispatch.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/Modules/OpenCombineDispatch.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/OpenCombineDispatch-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/OpenCombineDispatch-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/OpenCombineDispatch-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/OpenCombine.build/Debug-webassembly-wasm32/OpenCombineDispatch-t.build/Objects-normal/wasm32/Modules/OpenCombineDispatch.swiftmodule
[136 / 190] OpenCombineDispatch
error: Build failed
BUILD FAILURE 6.4 wasm