Build Information
Failed to build mqtt-nio, reference main (34c21c), with Swift 6.4 for Wasm on 30 Sep 2026 22:26:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-server-community/mqtt-nio.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/swift-server-community/mqtt-nio
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 34c21c9 Bump vapor/swift-codecov-action in the dependencies group (#278)
Cloned https://github.com/swift-server-community/mqtt-nio.git
Revision (git rev-parse @):
34c21c97cf0f9e1e24e807d23164257567948b6e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-server-community/mqtt-nio.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/swift-server-community/mqtt-nio.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$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/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-extras.git
Fetching https://github.com/apple/swift-configuration.git
Fetching https://github.com/apple/swift-nio-transport-services.git
Fetching https://github.com/apple/swift-http-types.git
Fetching https://github.com/apple/swift-nio-ssl.git
[1/1939] Fetching swift-http-types
Fetched https://github.com/apple/swift-http-types.git (0.42s)
Fetching https://github.com/apple/swift-log.git
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[2264/10528] Fetching swift-configuration, swift-nio-extras
[6380/13395] Fetching swift-configuration, swift-nio-extras, swift-nio-transport-services
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Fetching https://github.com/apple/swift-distributed-tracing.git
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Fetched https://github.com/apple/swift-distributed-tracing.git (0.57s)
[28421/103100] Fetching swift-nio, swift-nio-ssl
Fetched https://github.com/apple/swift-nio-ssl.git (1.72s)
[68990/86237] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (2.98s)
Computing version for https://github.com/apple/swift-configuration.git
Computed https://github.com/apple/swift-configuration.git at 1.2.1 (3.97s)
Fetching https://github.com/swift-server/swift-service-lifecycle
Fetching https://github.com/apple/swift-collections
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Fetched https://github.com/swift-server/swift-service-lifecycle (0.44s)
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Fetched https://github.com/apple/swift-system (0.63s)
[1/28068] Fetching swift-collections
Fetched https://github.com/apple/swift-collections (1.27s)
Computing version for https://github.com/apple/swift-nio-transport-services.git
Computed https://github.com/apple/swift-nio-transport-services.git at 1.28.0 (1.46s)
Fetching https://github.com/apple/swift-atomics.git
[1/1885] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.49s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.68s)
Computing version for https://github.com/apple/swift-distributed-tracing.git
Computed https://github.com/apple/swift-distributed-tracing.git at 1.5.0 (0.17s)
Fetching https://github.com/apple/swift-service-context.git
[1/1414] Fetching swift-service-context
Fetched https://github.com/apple/swift-service-context.git (0.41s)
Computing version for https://github.com/apple/swift-service-context.git
Computed https://github.com/apple/swift-service-context.git at 1.3.0 (0.59s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.17s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.33s)
Computing version for https://github.com/swift-server/swift-service-lifecycle
Computed https://github.com/swift-server/swift-service-lifecycle at 2.12.0 (0.17s)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/6792] Fetching swift-async-algorithms
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Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.79s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.1 (0.28s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.22s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.20s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.21s)
Computing version for https://github.com/apple/swift-nio-extras.git
Computed https://github.com/apple/swift-nio-extras.git at 1.35.1 (0.47s)
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/apple/swift-nio-http2.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-http-structured-headers.git
Fetching https://github.com/apple/swift-certificates.git
[1/1253] Fetching swift-http-structured-headers
[1254/3239] Fetching swift-http-structured-headers, swift-asn1
[3221/9398] Fetching swift-http-structured-headers, swift-asn1, swift-algorithms
[3364/16996] Fetching swift-http-structured-headers, swift-asn1, swift-algorithms, swift-certificates
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Fetched https://github.com/apple/swift-http-structured-headers.git (0.93s)
Fetched https://github.com/apple/swift-asn1.git (0.93s)
Fetched https://github.com/apple/swift-algorithms.git (0.93s)
Fetched https://github.com/apple/swift-certificates.git (0.94s)
Fetched https://github.com/apple/swift-nio-http2.git (0.94s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (1.97s)
Fetching https://github.com/apple/swift-numerics.git
[1/6651] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (1.06s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.22s)
Computing version for https://github.com/apple/swift-http-structured-headers.git
Computed https://github.com/apple/swift-http-structured-headers.git at 1.7.0 (0.17s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.20s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.21.0 (0.23s)
Fetching https://github.com/apple/swift-crypto.git
[1/18572] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (1.17s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 5.0.0 (1.45s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.19s)
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.7
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-nio-transport-services.git
Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.28.0
Creating working copy for https://github.com/apple/swift-service-context.git
Working copy of https://github.com/apple/swift-service-context.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.35.1
Creating working copy for https://github.com/apple/swift-nio-http2.git
Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.46.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 5.0.0
Creating working copy for https://github.com/apple/swift-distributed-tracing.git
Working copy of https://github.com/apple/swift-distributed-tracing.git resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.21.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.37.5
Creating working copy for https://github.com/swift-server/swift-service-lifecycle
Working copy of https://github.com/swift-server/swift-service-lifecycle resolved at 2.12.0
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.8.1
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.1
Creating working copy for https://github.com/apple/swift-http-structured-headers.git
Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/apple/swift-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 1.8.0
Creating working copy for https://github.com/apple/swift-configuration.git
Working copy of https://github.com/apple/swift-configuration.git resolved at 1.2.1
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1167]
[Planning deferred tasks]
[178 / 383]
[193 / 437] SystemPackage
[195 / 437] ServiceContextModule
[210 / 437] _NIODataStructures
[225 / 437] Logging
[228 / 437] SystemPackage
[228 / 437] InternalCollectionsUtilities
[240 / 437] SystemPackage
[240 / 437] _NIOBase64
[249 / 438] _NIOBase64
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[297 / 443] CSystem
[299 / 443] CNIOPosix
[305 / 444] CNIOLinux
[311 / 453] CNIOLLHTTP
[312 / 453] _NIODataStructures
[316 / 454] InternalCollectionsUtilities
[318 / 454] InternalCollectionsUtilities
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[330 / 455] Atomics
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[379 / 489] Atomics
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[386 / 490] Atomics
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[399 / 491] DequeModule
[414 / 511] NIOCore
[415 / 512] NIOCore
[415 / 512] Configuration
[418 / 512] Configuration
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[425 / 512] NIOCore
[426 / 512] DequeModule
[429 / 512] DequeModule
[430 / 512] DequeModule
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[432 / 512]
[432 / 512] Configuration
[432 / 512] NIOCore
[435 / 513] NIOCore
[450 / 531] NIOPosix
[454 / 531] NIOHTTPTypes
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:17:11: [1;31merror: [1;39mcannot find type 'BaseSocketChannel' in scope[0;0m
[0;36m15 |[0;0m import NIOCore
[0;36m16 |[0;0m
[0;36m17 |[0;0m extension [4;39mBaseSocketChannel[0;0m where SocketType: BaseSocket {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'BaseSocketChannel' in scope[0;0m
[0;36m18 |[0;0m /// The underlying transport type backing this channel.
[0;36m19 |[0;0m typealias Transport = NIOBSDSocket.Handle
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:27:11: [1;31merror: [1;39mcannot find type 'BaseSocketChannel' in scope[0;0m
[0;36m25 |[0;0m }
[0;36m26 |[0;0m
[0;36m27 |[0;0m extension [4;39mBaseSocketChannel[0;0m where SocketType: PipePair {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'BaseSocketChannel' in scope[0;0m
[0;36m28 |[0;0m /// The underlying transport type backing this channel.
[0;36m29 |[0;0m typealias Transport = NIOBSDSocket.PipeHandle
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:42:11: [1;31merror: [1;39mcannot find type 'SocketChannel' in scope[0;0m
[0;36m40 |[0;0m }
[0;36m41 |[0;0m
[0;36m42 |[0;0m extension [4;39mSocketChannel[0;0m: NIOTransportAccessibleChannelCore {}
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'SocketChannel' in scope[0;0m
[0;36m43 |[0;0m extension ServerSocketChannel: NIOTransportAccessibleChannelCore {}
[0;36m44 |[0;0m extension DatagramChannel: NIOTransportAccessibleChannelCore {}
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:43:11: [1;31merror: [1;39mcannot find type 'ServerSocketChannel' in scope[0;0m
[0;36m41 |[0;0m
[0;36m42 |[0;0m extension SocketChannel: NIOTransportAccessibleChannelCore {}
[0;36m43 |[0;0m extension [4;39mServerSocketChannel[0;0m: NIOTransportAccessibleChannelCore {}
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'ServerSocketChannel' in scope[0;0m
[0;36m44 |[0;0m extension DatagramChannel: NIOTransportAccessibleChannelCore {}
[0;36m45 |[0;0m extension PipeChannel: NIOTransportAccessibleChannelCore {}
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:44:11: [1;31merror: [1;39mcannot find type 'DatagramChannel' in scope[0;0m
[0;36m42 |[0;0m extension SocketChannel: NIOTransportAccessibleChannelCore {}
[0;36m43 |[0;0m extension ServerSocketChannel: NIOTransportAccessibleChannelCore {}
[0;36m44 |[0;0m extension [4;39mDatagramChannel[0;0m: NIOTransportAccessibleChannelCore {}
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DatagramChannel' in scope[0;0m
[0;36m45 |[0;0m extension PipeChannel: NIOTransportAccessibleChannelCore {}
[0;36m46 |[0;0m
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift:45:11: [1;31merror: [1;39mcannot find type 'PipeChannel' in scope[0;0m
[0;36m43 |[0;0m extension ServerSocketChannel: NIOTransportAccessibleChannelCore {}
[0;36m44 |[0;0m extension DatagramChannel: NIOTransportAccessibleChannelCore {}
[0;36m45 |[0;0m extension [4;39mPipeChannel[0;0m: NIOTransportAccessibleChannelCore {}
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'PipeChannel' in scope[0;0m
[0;36m46 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BSDSocketAPICommon.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BSDSocketAPIPosix.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BSDSocketAPIWindows.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocket.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+AccessibleTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel+SocketOptionProvider.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseSocketChannel.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/BaseStreamSocketChannel.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Bootstrap.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/ControlMessage.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/DatagramVectorReadManager.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Errors+Any.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/FileDescriptor.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/GetaddrinfoResolver.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/HappyEyeballs.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/IO.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/IntegerBitPacking.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/IntegerTypes.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Linux.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/LinuxCPUSet.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/LinuxUring.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/MultiThreadedEventLoopGroup.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/NIOPosixSendableMetatype.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/NIORandomizedDNSResolver.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/NIOThreadPool.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/NonBlockingFileIO.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PendingDatagramWritesManager.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PendingWritesManager.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PipeChannel.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PipePair.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Pool.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PosixSingletons+ConcurrencyTakeOver.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/PosixSingletons.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/RawSocketBootstrap.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Resolver.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Selectable.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectableChannel.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectableEventLoop.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectorEpoll.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectorGeneric.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectorKqueue.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectorUring.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SelectorWSAPoll.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/ServerSocket.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/Socket.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SocketChannel.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/SocketProtocols.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPosix/StructuredConcurrencyHelpers.swift 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error: Build failed
BUILD FAILURE 6.4 wasm