Monstra – Build Information – Swift Package Index

Build Information

Failed to build Monstra, reference v0.1.0 (44efbc), with Swift 6.4 for Wasm on 22 Sep 2026 23:39:20 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yangchenlarkin/Monstra.git
Reference: v0.1.0
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/yangchenlarkin/Monstra
 * tag               v0.1.0     -> FETCH_HEAD
HEAD is now at 44efbcc Release v0.1.0: Update version numbers and changelog
Cloned https://github.com/yangchenlarkin/Monstra.git
Revision (git rev-parse @):
44efbccb666635430d416dfcc2b810231e31a807
SUCCESS checkout https://github.com/yangchenlarkin/Monstra.git at v0.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/yangchenlarkin/Monstra.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Sources/Monstore/MemoryCache/README.md
Building for debugging...
[Planning deferred tasks]
[27 / 35] Monstra
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/Monstask/KVHeavyTasksManager.swift:633:28: [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
 [0;36m631 |[0;0m     /// The semaphore is used with minimal scope to ensure high concurrency while maintaining
 [0;36m632 |[0;0m     /// data integrity and preventing race conditions.
 [0;36m633 |[0;0m     private var semaphore: [4;39mDispatchSemaphore[0;0m = .init(value: 1)
     [0;36m|[0;0m                            `- [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
 [0;36m634 |[0;0m }
 [0;36m635 |[0;0m
/host/spi-builder-workspace/Sources/Monstask/KVLightTasksManager.swift:400:29: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m398 |[0;0m
[0;36m399 |[0;0m     /// DispatchSemaphore for thread synchronization (used when enableThreadSynchronization=true)
[0;36m400 |[0;0m     private let semaphore = [4;39mDispatchSemaphore[0;0m(value: 1)
    [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m401 |[0;0m
[0;36m402 |[0;0m     /// Internal method that handles the core fetching logic with cache integration.
/host/spi-builder-workspace/Sources/Monstask/KVLightTasksManager.swift:418:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m416 |[0;0m     private func fetchWithCallback(
[0;36m417 |[0;0m         keys: [K],
[0;36m418 |[0;0m         dispatchQueue: [4;39mDispatchQueue[0;0m? = nil,
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m419 |[0;0m         completion: @escaping ResultCallback
[0;36m420 |[0;0m     ) {
/host/spi-builder-workspace/Sources/Monstask/KVLightTasksManager.swift:466:58: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m464 |[0;0m     }
[0;36m465 |[0;0m
[0;36m466 |[0;0m     private func consumeCallbacks(key: K, dispatchQueue: [4;39mDispatchQueue[0;0m, result: Result<Element?, Error>) {
    [0;36m|[0;0m                                                          `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m467 |[0;0m         resultCallbacks[key]?.forEach { callback in
[0;36m468 |[0;0m             dispatchQueue.async { callback(key, result) }
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:83:28: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
 [0;36m81 |[0;0m
 [0;36m82 |[0;0m     /// Queue where the actual task execution happens (can be background for expensive operations)
 [0;36m83 |[0;0m     private let taskQueue: [4;39mDispatchQueue[0;0m
    [0;36m|[0;0m                            `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
 [0;36m84 |[0;0m
 [0;36m85 |[0;0m     /// Queue where callbacks are invoked (can be main queue for UI updates)
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:86:32: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
 [0;36m84 |[0;0m
 [0;36m85 |[0;0m     /// Queue where callbacks are invoked (can be main queue for UI updates)
 [0;36m86 |[0;0m     private let callbackQueue: [4;39mDispatchQueue[0;0m
    [0;36m|[0;0m                                `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
 [0;36m87 |[0;0m
 [0;36m88 |[0;0m     // MARK: - Result Caching State
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:94:29: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
 [0;36m92 |[0;0m
 [0;36m93 |[0;0m     /// Semaphore protecting result and expiration state (semaphore)
 [0;36m94 |[0;0m     private var semaphore = [4;39mDispatchSemaphore[0;0m(value: 1)
    [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
 [0;36m95 |[0;0m
 [0;36m96 |[0;0m     // MARK: - Execution Tracking
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:123:20: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m121 |[0;0m         retry: RetryCount,
[0;36m122 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m123 |[0;0m         taskQueue: [4;39mDispatchQueue[0;0m,
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m124 |[0;0m         callbackQueue: DispatchQueue,
[0;36m125 |[0;0m         executeBlock: @escaping (@escaping ResultCallback) -> Void
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:124:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m122 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m123 |[0;0m         taskQueue: DispatchQueue,
[0;36m124 |[0;0m         callbackQueue: [4;39mDispatchQueue[0;0m,
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m125 |[0;0m         executeBlock: @escaping (@escaping ResultCallback) -> Void
[0;36m126 |[0;0m     ) {
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:352:20: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m350 |[0;0m         retry: RetryCount = .never,
[0;36m351 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m352 |[0;0m         taskQueue: [4;39mDispatchQueue[0;0m = DispatchQueue.global(),
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m353 |[0;0m         callbackQueue: DispatchQueue = DispatchQueue.global(),
[0;36m354 |[0;0m         task: @escaping CallbackExecution
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:353:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m351 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m352 |[0;0m         taskQueue: DispatchQueue = DispatchQueue.global(),
[0;36m353 |[0;0m         callbackQueue: [4;39mDispatchQueue[0;0m = DispatchQueue.global(),
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m354 |[0;0m         task: @escaping CallbackExecution
[0;36m355 |[0;0m     ) {
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:393:20: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m391 |[0;0m         retry: RetryCount = .never,
[0;36m392 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m393 |[0;0m         taskQueue: [4;39mDispatchQueue[0;0m = DispatchQueue.global(),
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m394 |[0;0m         callbackQueue: DispatchQueue = DispatchQueue.global(),
[0;36m395 |[0;0m         task: @escaping AsyncExecution
/host/spi-builder-workspace/Sources/Monstask/MonoTask.swift:394:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m392 |[0;0m         resultExpireDuration: TimeInterval,
[0;36m393 |[0;0m         taskQueue: DispatchQueue = DispatchQueue.global(),
[0;36m394 |[0;0m         callbackQueue: [4;39mDispatchQueue[0;0m = DispatchQueue.global(),
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m395 |[0;0m         task: @escaping AsyncExecution
[0;36m396 |[0;0m     ) {
/host/spi-builder-workspace/Sources/Monstore/MemoryCache/MemoryCache.swift:197:29: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m195 |[0;0m
[0;36m196 |[0;0m     /// DispatchSemaphore for thread synchronization (used when enableThreadSynchronization=true)
[0;36m197 |[0;0m     private let semaphore = [4;39mDispatchSemaphore[0;0m(value: 1)
    [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m198 |[0;0m
[0;36m199 |[0;0m     /// The configuration for this cache instance.
/host/spi-builder-workspace/Sources/MonstraBase/CPUTimeStamp.swift:18:38: [1;31merror: [1;39mcannot find type 'mach_timebase_info_data_t' in scope[0;0m
 [0;36m16 |[0;0m
 [0;36m17 |[0;0m     /// Mach timebase info for converting between different time units. Cached for performance.
 [0;36m18 |[0;0m     private static let timebaseInfo: [4;39mmach_timebase_info_data_t[0;0m = {
    [0;36m|[0;0m                                      `- [1;31merror: [1;39mcannot find type 'mach_timebase_info_data_t' in scope[0;0m
 [0;36m19 |[0;0m         var info = mach_timebase_info_data_t()
 [0;36m20 |[0;0m         mach_timebase_info(&info)
/host/spi-builder-workspace/Sources/MonstraBase/CPUTimeStamp.swift:19:20: [1;31merror: [1;39mcannot find 'mach_timebase_info_data_t' in scope[0;0m
 [0;36m17 |[0;0m     /// Mach timebase info for converting between different time units. Cached for performance.
 [0;36m18 |[0;0m     private static let timebaseInfo: mach_timebase_info_data_t = {
 [0;36m19 |[0;0m         var info = [4;39mmach_timebase_info_data_t[0;0m()
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find 'mach_timebase_info_data_t' in scope[0;0m
 [0;36m20 |[0;0m         mach_timebase_info(&info)
 [0;36m21 |[0;0m         return info
/host/spi-builder-workspace/Sources/MonstraBase/CPUTimeStamp.swift:20:9: [1;31merror: [1;39mcannot find 'mach_timebase_info' in scope[0;0m
 [0;36m18 |[0;0m     private static let timebaseInfo: mach_timebase_info_data_t = {
 [0;36m19 |[0;0m         var info = mach_timebase_info_data_t()
 [0;36m20 |[0;0m         [4;39mmach_timebase_info[0;0m(&info)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'mach_timebase_info' in scope[0;0m
 [0;36m21 |[0;0m         return info
 [0;36m22 |[0;0m     }()
/host/spi-builder-workspace/Sources/MonstraBase/TracingIDFactory.swift:223:24: [1;31merror: [1;39mcannot find 'os_unfair_lock' in scope[0;0m
[0;36m221 |[0;0m     /// Uses `os_unfair_lock` for minimal overhead while providing mutual exclusion.
[0;36m222 |[0;0m     /// This lock protects the `sequentialCounter` during increment and ID calculation.
[0;36m223 |[0;0m     private var lock = [4;39mos_unfair_lock[0;0m()
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'os_unfair_lock' in scope[0;0m
[0;36m224 |[0;0m
[0;36m225 |[0;0m     /// Core ID generation logic without thread safety (maximum performance).
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Monstask/KVHeavyTasksManager.swift /host/spi-builder-workspace/Sources/Monstask/KVLightTasksManager.swift /host/spi-builder-workspace/Sources/Monstask/MonoTask.swift /host/spi-builder-workspace/Sources/Monstore/MemoryCache/MemoryCache.swift /host/spi-builder-workspace/Sources/Monstore/MemoryCache/PriorityLRUQueue.swift /host/spi-builder-workspace/Sources/Monstore/MemoryCache/TTLPriorityLRUQueue.swift /host/spi-builder-workspace/Sources/Monstore/Statistics/CacheStatistics.swift /host/spi-builder-workspace/Sources/MonstraBase/CPUTimeStamp.swift /host/spi-builder-workspace/Sources/MonstraBase/DoublyLink.swift /host/spi-builder-workspace/Sources/MonstraBase/HashQueue.swift /host/spi-builder-workspace/Sources/MonstraBase/Heap.swift /host/spi-builder-workspace/Sources/MonstraBase/RetryCount.swift /host/spi-builder-workspace/Sources/MonstraBase/TracingIDFactory.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 DEBUG -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/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Monstra -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Monstra_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/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Modules/Monstra.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Modules/Monstra.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Monstra-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Monstra-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Monstra-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Monstra.build/Debug-webassembly-wasm32/Monstra-t.build/Objects-normal/wasm32/Modules/Monstra.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm