Swift Package IndexBuild Information
Failed to build stomp-nio, reference 0.1.0 (652b72), with Swift 6.4 for Wasm on 17 Oct 2026 17:34:44 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-6.4.0-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fpseverino/stomp-nio.git
Reference: 0.1.0
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/fpseverino/stomp-nio
* tag 0.1.0 -> FETCH_HEAD
HEAD is now at 652b72b Fix CI
Cloned https://github.com/fpseverino/stomp-nio.git
Revision (git rev-parse @):
652b72b4c548609bf388ac3a7443a310fbb75aca
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/fpseverino/stomp-nio.git at 0.1.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/fpseverino/stomp-nio.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-nio-extras.git
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Computing version for https://github.com/apple/swift-atomics.git
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Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.19s)
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Computed https://github.com/apple/swift-nio-extras.git at 1.35.1 (0.41s)
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Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1226]
[Planning deferred tasks]
[Starting]
[147 / 408] CNIOWASI
[200 / 464] SystemPackage
[200 / 464] NIOConcurrencyHelpers
[223 / 464] SystemPackage
[224 / 464] InternalCollectionsUtilities
[235 / 464] SystemPackage
[236 / 464] _NIODataStructures
[245 / 464] SystemPackage
[250 / 465] _NIOBase64
[255 / 466] _NIODataStructures
[260 / 466] _NIODataStructures
[263 / 466] Logging-product
[270 / 468] InternalCollectionsUtilities
[276 / 468] InternalCollectionsUtilities
[280 / 468] HTTPTypes-product
[282 / 468] HTTPTypes-product
[287 / 469] Logging
[292 / 473] ConcurrencyHelpers
[312 / 484] CNIOOpenBSD
[330 / 485] InternalCollectionsUtilities
[333 / 486] Atomics
[339 / 486] HTTPTypes
[344 / 492] SpanPreview
[345 / 501] Atomics
[356 / 502] SpanPreview
[362 / 502] CNIOAtomics
[364 / 502] OrderedCollections
[373 / 506] UnixSignals
[381 / 508] DequeModule
[391 / 518] DequeModule
[392 / 518] UnixSignals
[395 / 518] OrderedCollections
[396 / 518] OrderedCollections
[406 / 519] DequeModule
[406 / 520] DequeModule
[424 / 533] _STOMPConnectionPool
[427 / 560] _STOMPConnectionPool
/host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionRequest.swift:31:46: [1;33mwarning: [1;39mcannot use default expression for inference of 'ConnectionIDGenerator' because it is inferrable from parameters #1, #5; this will be an error in a future Swift language mode[0;0m
[0;36m29 |[0;0m public convenience init(
[0;36m30 |[0;0m configuration: ConnectionPoolConfiguration,
[0;36m31 |[0;0m idGenerator: ConnectionIDGenerator = _STOMPConnectionPool.ConnectionIDGenerator(),
[0;36m|[0;0m `- [1;33mwarning: [1;39mcannot use default expression for inference of 'ConnectionIDGenerator' because it is inferrable from parameters #1, #5; this will be an error in a future Swift language mode[0;0m
[0;36m32 |[0;0m keepAliveBehavior: KeepAliveBehavior,
[0;36m33 |[0;0m observabilityDelegate: ObservabilityDelegate,
/host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionRequest.swift:34:24: [1;33mwarning: [1;39mcannot use default expression for inference of 'Clock' because it is inferrable from parameters #4, #5; this will be an error in a future Swift language mode[0;0m
[0;36m32 |[0;0m keepAliveBehavior: KeepAliveBehavior,
[0;36m33 |[0;0m observabilityDelegate: ObservabilityDelegate,
[0;36m34 |[0;0m clock: Clock = ContinuousClock(),
[0;36m|[0;0m `- [1;33mwarning: [1;39mcannot use default expression for inference of 'Clock' because it is inferrable from parameters #4, #5; this will be an error in a future Swift language mode[0;0m
[0;36m35 |[0;0m connectionFactory: @escaping ConnectionFactory
[0;36m36 |[0;0m ) {
/host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionRequest.swift:16:9: [1;33mwarning: [1;39msetter for property 'continuation' is private and cannot be referenced from an '@inlinable' function; this will be an error in a future Swift language mode[0;0m
[0;36m6 |[0;0m
[0;36m7 |[0;0m @usableFromInline
[0;36m8 |[0;0m private(set) var continuation: CheckedContinuation<ConnectionLease<Connection>, any Error>
[0;36m|[0;0m `- [1;39mnote: [1;39msetter for property 'continuation' is not '@usableFromInline' or public[0;0m
[0;36m9 |[0;0m
[0;36m10 |[0;0m @inlinable
[0;36m:[0;0m
[0;36m14 |[0;0m ) {
[0;36m15 |[0;0m self.id = id
[0;36m16 |[0;0m self.continuation = continuation
[0;36m|[0;0m `- [1;33mwarning: [1;39msetter for property 'continuation' is private and cannot be referenced from an '@inlinable' function; this will be an error in a future Swift language mode[0;0m
[0;36m17 |[0;0m }
[0;36m18 |[0;0m
[430 / 560] _STOMPConnectionPool
/host/spi-builder-workspace/Sources/STOMPConnectionPool/NIOLock.swift:32:8: [1;33mwarning: [1;39mpublic import of 'wasi_pthread' was not used in public declarations or inlinable code[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unused-import-access\UnusedImportAccess]8;;\]
[0;36m30 |[0;0m public import WASILibc
[0;36m31 |[0;0m #if canImport(wasi_pthread)
[0;36m32 |[0;0m public import wasi_pthread
[0;36m|[0;0m `- [1;33mwarning: [1;39mpublic import of 'wasi_pthread' was not used in public declarations or inlinable code[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unused-import-access\UnusedImportAccess]8;;\]
[0;36m33 |[0;0m #endif
[0;36m34 |[0;0m #else
[#UnusedImportAccess]: <https://docs.swift.org/compiler/documentation/diagnostics/unused-import-access>
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile PoolStateMachine.swift
/host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine.swift:477:27: [1;33mwarning: [1;39mimmutable value 'context' was never used; consider replacing with '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m475 |[0;0m mutating func connectionEstablishFailed(_ error: any Error, for request: ConnectionRequest) -> Action {
[0;36m476 |[0;0m switch self.poolState {
[0;36m477 |[0;0m case .running(let context):
[0;36m|[0;0m `- [1;33mwarning: [1;39mimmutable value 'context' was never used; consider replacing with '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m478 |[0;0m self.poolState = .connectionCreationFailing(
[0;36m479 |[0;0m .init(
/host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine.swift:1005:48: [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
[0;36m1003 |[0;0m
[0;36m1004 |[0;0m let start = Double(100_000_000)
[0;36m1005 |[0;0m let backoffNanosecondsDouble = start * [4;39mpow[0;0m(1.25, Double(attempts - 1))
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
[0;36m1006 |[0;0m
[0;36m1007 |[0;0m // Cap to 60s _before_ we convert to Int64, to avoid trapping in the Int64 initializer.
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionIDGenerator.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionLease.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionPool.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionPoolError.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionPoolObservabilityDelegate.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/ConnectionRequest.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/Max2Sequence.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/NIOLock.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/NIOLockedValueBox.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/NoKeepAliveBehavior.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine+ConnectionGroup.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine+ConnectionState.swift -primary-file /host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine+RequestQueue.swift -primary-file /host/spi-builder-workspace/Sources/STOMPConnectionPool/PoolStateMachine.swift /host/spi-builder-workspace/Sources/STOMPConnectionPool/TinyFastSequence.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine+RequestQueue.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine+RequestQueue.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine+RequestQueue.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine+RequestQueue.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/stomp-nio.build/Debug-webassembly-wasm32/_STOMPConnectionPool-t.build/Objects-normal/wasm32/PoolStateMachine.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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 ServiceLifecycle -D Xcode -serialize-debugging-options -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc 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error: Build failed
BUILD FAILURE 6.4 wasm