CombineExt – Build Information – Swift Package Index

Build Information

Failed to build CombineExt, reference 1.9.0 (96a761), with Swift 6.4 for Wasm on 23 Sep 2026 21:43:19 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/CombineCommunity/CombineExt.git
Reference: 1.9.0
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/CombineCommunity/CombineExt
 * tag               1.9.0      -> FETCH_HEAD
HEAD is now at 96a7610 Add comprehensive memory leak tests for PassthroughRelay
Cloned https://github.com/CombineCommunity/CombineExt.git
Revision (git rev-parse @):
96a7610ca165e027b24710fc2f04c9ba8d2ce0e6
SUCCESS checkout https://github.com/CombineCommunity/CombineExt.git at 1.9.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/CombineCommunity/CombineExt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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/pointfreeco/combine-schedulers
[1/2686] Fetching combine-schedulers
Fetched https://github.com/pointfreeco/combine-schedulers (0.47s)
Computing version for https://github.com/pointfreeco/combine-schedulers
Computed https://github.com/pointfreeco/combine-schedulers at 1.2.2 (0.68s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
Fetching https://github.com/OpenCombine/OpenCombine.git
Fetching https://github.com/pointfreeco/swift-concurrency-extras
[1/1058] Fetching swift-concurrency-extras
Fetched https://github.com/pointfreeco/swift-concurrency-extras (0.51s)
[1/6161] Fetching swift-issue-reporting
[556/14467] Fetching swift-issue-reporting, opencombine
Fetched https://github.com/OpenCombine/OpenCombine.git (0.71s)
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.73s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (1.84s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (1.10s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.4.1 (0.18s)
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.2
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

[27 / 35] CombineExt
/host/spi-builder-workspace/Sources/Operators/Internal/Lock.swift:15:8: [1;31merror: [1;39mno such module 'Darwin'[0;0m
[0;36m13 |[0;0m //===----------------------------------------------------------------------===//
[0;36m14 |[0;0m
[0;36m15 |[0;0m import Darwin
   [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'Darwin'[0;0m
[0;36m16 |[0;0m
[0;36m17 |[0;0m @available(macOS 10.12, iOS 10.0, tvOS 10.0, watchOS 3.0, *)
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Common/DemandBuffer.swift /host/spi-builder-workspace/Sources/Common/Sink.swift /host/spi-builder-workspace/Sources/Convenience/Optional.swift /host/spi-builder-workspace/Sources/Models/Event.swift /host/spi-builder-workspace/Sources/Models/ObjectOwnership.swift /host/spi-builder-workspace/Sources/Operators/Amb.swift /host/spi-builder-workspace/Sources/Operators/AssignOwnership.swift /host/spi-builder-workspace/Sources/Operators/AssignToMany.swift /host/spi-builder-workspace/Sources/Operators/CombineLatestMany.swift /host/spi-builder-workspace/Sources/Operators/Create.swift /host/spi-builder-workspace/Sources/Operators/Dematerialize.swift /host/spi-builder-workspace/Sources/Operators/Enumerated.swift /host/spi-builder-workspace/Sources/Operators/FilterMany.swift /host/spi-builder-workspace/Sources/Operators/FlatMapBatches.swift /host/spi-builder-workspace/Sources/Operators/FlatMapFirst.swift /host/spi-builder-workspace/Sources/Operators/FlatMapLatest.swift /host/spi-builder-workspace/Sources/Operators/IgnoreFailure.swift /host/spi-builder-workspace/Sources/Operators/IgnoreOutputSetOutputType.swift /host/spi-builder-workspace/Sources/Operators/Internal/Lock.swift /host/spi-builder-workspace/Sources/Operators/Internal/Timer.swift /host/spi-builder-workspace/Sources/Operators/MapMany.swift /host/spi-builder-workspace/Sources/Operators/MapToResult.swift /host/spi-builder-workspace/Sources/Operators/MapToValue.swift /host/spi-builder-workspace/Sources/Operators/Materialize.swift /host/spi-builder-workspace/Sources/Operators/MergeMany.swift /host/spi-builder-workspace/Sources/Operators/Nwise.swift /host/spi-builder-workspace/Sources/Operators/Partition.swift /host/spi-builder-workspace/Sources/Operators/PrefixDuration.swift /host/spi-builder-workspace/Sources/Operators/PrefixWhileBehavior.swift /host/spi-builder-workspace/Sources/Operators/RemoveAllDuplicates.swift /host/spi-builder-workspace/Sources/Operators/RetryWhen.swift /host/spi-builder-workspace/Sources/Operators/SetOutputType.swift /host/spi-builder-workspace/Sources/Operators/ShareReplay.swift /host/spi-builder-workspace/Sources/Operators/Toggle.swift /host/spi-builder-workspace/Sources/Operators/WithLatestFrom.swift /host/spi-builder-workspace/Sources/Operators/ZipMany.swift /host/spi-builder-workspace/Sources/Relays/CurrentValueRelay.swift /host/spi-builder-workspace/Sources/Relays/PassthroughRelay.swift /host/spi-builder-workspace/Sources/Relays/Relay.swift /host/spi-builder-workspace/Sources/Subjects/ReplaySubject.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 -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/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CombineExt -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/CombineExt_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/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/Modules/CombineExt.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/Modules/CombineExt.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/CombineExt-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/CombineExt-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/CombineExt-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineExt.build/Debug-webassembly-wasm32/CombineExt-t.build/Objects-normal/wasm32/Modules/CombineExt.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm