SplitThin – Build Information – Swift Package Index

Build Information

Failed to build SplitThin, reference main (bfdbec), with Swift 6.4 for Wasm on 26 Sep 2026 08:07:07 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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/splitio/ios-thin-client.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/splitio/ios-thin-client
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bfdbec0 Release 1.0.0 (#110)
Submodule path 'ios-client': checked out '4c6b1034f7044a3bf272fea4f607a6f51182d1b8'
Submodule 'ios-client' (https://github.com/splitio/ios-client) registered for path 'ios-client'
Cloning into '/host/spi-builder-workspace/ios-client'...
Cloned https://github.com/splitio/ios-thin-client.git
Revision (git rev-parse @):
bfdbec06c9dc7b4465bde352358b8a2743c88e7f
SUCCESS checkout https://github.com/splitio/ios-thin-client.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/splitio/ios-thin-client.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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/splitio/ios-client.git
[1/39369] Fetching ios-client
Fetched https://github.com/splitio/ios-client.git (2.71s)
Creating working copy for https://github.com/splitio/ios-client.git
Working copy of https://github.com/splitio/ios-client.git resolved at e256f22a7c98af2643ffd03cc60a2b24cf90524f
Building for debugging...
[Provisioning 3 / 11]
[Pre-planning 1 / 270]
[Constructing 396 / 567]
[65 / 133] Concurrency
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/ios-client/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift:23:29: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m21 |[0;0m     private let recorderWorker: RecorderWorker
[0;36m22 |[0;0m     private var fetchTimer: PeriodicTimer
[0;36m23 |[0;0m     private let fetchQueue: [4;39mDispatchQueue[0;0m
   [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m24 |[0;0m     private var isPaused: Bool = false
[0;36m25 |[0;0m     private let lock = NSLock()
/host/spi-builder-workspace/.build/checkouts/ios-client/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:17:29: [1;31merror: [1;39mcannot find type 'DispatchSourceTimer' in scope[0;0m
[0;36m15 |[0;0m     private let deadLineInSecs: Int
[0;36m16 |[0;0m     private let intervalInSecs: Int
[0;36m17 |[0;0m     private var fetchTimer: [4;39mDispatchSourceTimer[0;0m
   [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find type 'DispatchSourceTimer' in scope[0;0m
[0;36m18 |[0;0m     private var isRunning: Bool = false
[0;36m19 |[0;0m     private let lock = NSLock()
/host/spi-builder-workspace/.build/checkouts/ios-client/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:20:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m18 |[0;0m     private var isRunning: Bool = false
[0;36m19 |[0;0m     private let lock = NSLock()
[0;36m20 |[0;0m     private let queue: [4;39mDispatchQueue[0;0m
   [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m21 |[0;0m
[0;36m22 |[0;0m     public init(deadline deadlineInSecs: Int, interval intervalInSecs: Int) {
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/ios-client/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift /host/spi-builder-workspace/.build/checkouts/ios-client/Sources/PeriodicRecorderWorker/PeriodicTimer.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/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PeriodicRecorderWorker -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/PeriodicRecorderWorker_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/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/Modules/PeriodicRecorderWorker.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/Modules/PeriodicRecorderWorker.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/PeriodicRecorderWorker-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/PeriodicRecorderWorker-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/PeriodicRecorderWorker-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/PeriodicRecorderWorker-t.build/Objects-normal/wasm32/Modules/PeriodicRecorderWorker.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm