Build Information
Failed to build Split, reference 3.7.2-rc3 (45edf2), with Swift 6.4 for Wasm on 24 Sep 2026 04:29:49 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/splitio/ios-client.git
Reference: 3.7.2-rc3
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-client
* tag 3.7.2-rc3 -> FETCH_HEAD
HEAD is now at 45edf24 chore: Update version to 3.7.2-rc3 (#11)
Cloned https://github.com/splitio/ios-client.git
Revision (git rev-parse @):
45edf24f011a529e24960c79ffd47224d94c2035
SUCCESS checkout https://github.com/splitio/ios-client.git at 3.7.2-rc3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/splitio/ios-client.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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
Building for debugging...
[Provisioning 1 / 12]
[Pre-planning 1 / 327]
[Planning deferred tasks]
warning: no rule to process file '/host/spi-builder-workspace/Split/Storage/split_cache.xcdatamodeld' of type 'wrapper.xcdatamodeld' for architecture 'wasm32'
[63 / 121] Split_Split
[72 / 141] PeriodicRecorderWorker
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: [4;39mDispatchQueue[0;0m = DispatchQueue(label: "split-synchronized-dictionary", target: .global())
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m private var items = [K: T]()
[0;36m15 |[0;0m
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:40: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: DispatchQueue = [4;39mDispatchQueue[0;0m(label: "split-synchronized-dictionary", target: .global())
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m private var items = [K: T]()
[0;36m15 |[0;0m
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: [4;39mDispatchQueue[0;0m = DispatchQueue(label: "split-synchronized-dictionary-composed",
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m target: .global())
[0;36m15 |[0;0m private var items = [K: [IK: Any]]()
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:40: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: DispatchQueue = [4;39mDispatchQueue[0;0m(label: "split-synchronized-dictionary-composed",
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m target: .global())
[0;36m15 |[0;0m private var items = [K: [IK: Any]]()
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.swift:13:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionarySet<K: Hashable, T: Hashable>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: [4;39mDispatchQueue[0;0m = DispatchQueue(label: "split-synchronized-dictionary-set",
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m target: .global())
[0;36m15 |[0;0m private var items = [K: Set<T>]()
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.swift:13:40: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m11 |[0;0m public class SynchronizedDictionarySet<K: Hashable, T: Hashable>: @unchecked Sendable {
[0;36m12 |[0;0m
[0;36m13 |[0;0m private var queue: DispatchQueue = [4;39mDispatchQueue[0;0m(label: "split-synchronized-dictionary-set",
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m14 |[0;0m target: .global())
[0;36m15 |[0;0m private var items = [K: Set<T>]()
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Concurrency/Atomic.swift /host/spi-builder-workspace/Sources/Concurrency/Concurrency.swift /host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift /host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift /host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.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 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/Concurrency-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Concurrency -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency_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/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Split.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftmodule
/host/spi-builder-workspace/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/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/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/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift /host/spi-builder-workspace/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 -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