RxNimble – Build Information – Swift Package Index

Build Information

Failed to build RxNimble, reference 5.0.4 (ade31d), with Swift 6.4 for Wasm on 20 Sep 2026 04:10:40 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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/mRs-/RxNimble.git
Reference: 5.0.4
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/mRs-/RxNimble
 * tag               5.0.4      -> FETCH_HEAD
HEAD is now at ade31d7 Updated Package.swift
Cloned https://github.com/mRs-/RxNimble.git
Revision (git rev-parse @):
ade31d7f902dc420f4001b202e47657f887e55bc
SUCCESS checkout https://github.com/mRs-/RxNimble.git at 5.0.4
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/mRs-/RxNimble.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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/ReactiveX/RxSwift
Fetching https://github.com/Quick/Nimble
[1/54528] Fetching rxswift
[1092/74514] Fetching rxswift, nimble
Fetched https://github.com/Quick/Nimble (1.09s)
[11451/54528] Fetching rxswift
Fetched https://github.com/ReactiveX/RxSwift (2.41s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 9.2.1 (2.62s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.47s)
Computing version for https://github.com/ReactiveX/RxSwift
Computed https://github.com/ReactiveX/RxSwift at 5.1.3 (0.69s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.18s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.35s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.54s)
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
Creating working copy for https://github.com/ReactiveX/RxSwift
Working copy of https://github.com/ReactiveX/RxSwift resolved at 5.1.3
Building for debugging...
[Provisioning 2 / 11]
[Pre-planning 1 / 186]
[Planning deferred tasks]
[39 / 75] Nimble
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NimbleEnvironment.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 import class Foundation.NSObject
 [0;36m3 |[0;0m import class Foundation.Thread
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/AdapterProtocols.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/AssertionDispatcher.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/AssertionRecorder.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NMBExpectation.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NMBObjCMatcher.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NimbleEnvironment.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NimbleXCTestHandler.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Adapters/NonObjectiveC/ExceptionCapture.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/DSL+Wait.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/DSL.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Expectation.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/ExpectationMessage.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Expression.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/FailureMessage.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/AllPass.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Async.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeAKindOf.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeAnInstanceOf.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeCloseTo.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeEmpty.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeGreaterThan.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeGreaterThanOrEqualTo.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeIdenticalTo.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeLessThan.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeLessThanOrEqual.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeLogical.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeNil.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeVoid.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeginWith.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/BeginWithPrefix.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Contain.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/ContainElementSatisfying.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/ElementsEqual.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/EndWith.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Equal+Tuple.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Equal.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/HaveCount.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Match.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/MatchError.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/MatcherFunc.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/MatcherProtocols.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/PostNotification.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/Predicate.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/RaisesException.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/SatisfyAllOf.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/SatisfyAnyOf.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/ThrowAssertion.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/ThrowError.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Matchers/ToSucceed.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Utils/Await.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Utils/DispatchTimeInterval.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Utils/Errors.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Utils/SourceLocation.swift /host/spi-builder-workspace/.build/checkouts/Nimble/Sources/Nimble/Utils/Stringers.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/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Nimble -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Nimble_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/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Modules/Nimble.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Modules/Nimble.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Nimble-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Nimble-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Nimble-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Nimble.build/Debug-webassembly-wasm32/Nimble-t.build/Objects-normal/wasm32/Modules/Nimble.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm