RoundTrip – Build Information – Swift Package Index

Build Information

Failed to build RoundTrip, reference main (fe829c), with Swift 6.4 for Wasm on 27 Sep 2026 23:57:13 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/modern-swift-dev/roundtrip-swift.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/modern-swift-dev/roundtrip-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fe829ca test(multipart): verify text field through upload path
Cloned https://github.com/modern-swift-dev/roundtrip-swift.git
Revision (git rev-parse @):
fe829ca4ed0d81b73c977067f3e247257fc97ffc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/modern-swift-dev/roundtrip-swift.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/modern-swift-dev/roundtrip-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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/WeTransfer/Mocker.git
Fetching https://github.com/MobileNativeFoundation/Kronos.git
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/1906] Fetching mocker
[1907/3098] Fetching mocker, kronos
[2015/5443] Fetching mocker, kronos, swift-docc-plugin
Fetched https://github.com/MobileNativeFoundation/Kronos.git (0.64s)
Fetched https://github.com/WeTransfer/Mocker.git (0.64s)
Fetched https://github.com/swiftlang/swift-docc-plugin (0.64s)
Computing version for https://github.com/WeTransfer/Mocker.git
Computed https://github.com/WeTransfer/Mocker.git at 3.0.2 (1.71s)
Computing version for https://github.com/MobileNativeFoundation/Kronos.git
Computed https://github.com/MobileNativeFoundation/Kronos.git at 4.3.1 (0.18s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (0.19s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3831] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.60s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.84s)
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/MobileNativeFoundation/Kronos.git
Working copy of https://github.com/MobileNativeFoundation/Kronos.git resolved at 4.3.1
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/WeTransfer/Mocker.git
Working copy of https://github.com/WeTransfer/Mocker.git resolved at 3.0.2
Building for debugging...
[Pre-planning 1 / 124]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/RoundTrip/InternalSupport.swift:5:8: [1;31merror: [1;39mno such module 'os'[0;0m
  [0;36m3 |[0;0m     private import Kronos
  [0;36m4 |[0;0m #endif
  [0;36m5 |[0;0m import os
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'os'[0;0m
  [0;36m6 |[0;0m
  [0;36m7 |[0;0m enum RoundTripSupport {
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/RoundTrip/Adapter/URLRequestAdapter+DataTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Adapter/URLRequestAdapter+DataUploadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Adapter/URLRequestAdapter+DownloadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Adapter/URLRequestAdapter+FileUploadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Adapter/URLRequestAdapter.swift /host/spi-builder-workspace/Sources/RoundTrip/BackgroundHttpClient.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/DateFormatter+HttpHeader.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/FormEncodable.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/Multipart/MultipartBody+Builder.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/Multipart/MultipartBody.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/Multipart/MultipartBodyConvertible.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+Body.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+FormParameters.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+HttpHeaders.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+Method.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+MimeType.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+QueryParameters.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder+Scheme.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestBuilder.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLRequestConvertible.swift /host/spi-builder-workspace/Sources/RoundTrip/Builder/URLSession+Convertible.swift /host/spi-builder-workspace/Sources/RoundTrip/Extensions/URL+MimeType.swift /host/spi-builder-workspace/Sources/RoundTrip/Extensions/URLRequest+Ext.swift /host/spi-builder-workspace/Sources/RoundTrip/Extensions/URLResponse+Ext.swift /host/spi-builder-workspace/Sources/RoundTrip/HttpClient.swift /host/spi-builder-workspace/Sources/RoundTrip/InternalSupport.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/ApiError.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/ApiOperationResult.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/ApiResponse.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/PatchableValue.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/Time.swift /host/spi-builder-workspace/Sources/RoundTrip/Models/TimelessDate.swift /host/spi-builder-workspace/Sources/RoundTrip/Publisher/Publishers+ApiResponse.swift /host/spi-builder-workspace/Sources/RoundTrip/Publisher/URLSession+DataUploadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Publisher/URLSession+DownloadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/Publisher/URLSession+FileUploadTaskPublisher.swift /host/spi-builder-workspace/Sources/RoundTrip/WSSClient.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 StrictConcurrency -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/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name RoundTrip -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/RoundTrip_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/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/Modules/RoundTrip.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/Modules/RoundTrip.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/RoundTrip-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/RoundTrip-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/RoundTrip-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/RoundTrip.build/Debug-webassembly-wasm32/RoundTrip-t.build/Objects-normal/wasm32/Modules/RoundTrip.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm