Build Information
Successful build of swift-nio-udp, reference main (658a46), with Swift 6.3 for Linux on 18 Apr 2026 13:22:28 UTC.
Swift 6 data race errors: 0
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hironichu/swift-nio-udp.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/hironichu/swift-nio-udp
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 658a466 linux optimisation, replaced dual copy operation by passing Data(b ref)
Cloned https://github.com/hironichu/swift-nio-udp.git
Revision (git rev-parse @):
658a46698aa02596d92b0bfda3b42134fd1c5cb4
SUCCESS checkout https://github.com/hironichu/swift-nio-udp.git at main
========================================
Build
========================================
Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/hironichu/swift-nio-udp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/apple/swift-nio.git
[1/83172] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (7.41s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.98.0 (8.19s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
[1/1820] Fetching swift-atomics
[693/7421] Fetching swift-atomics, swift-system
[2522/30990] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-atomics.git from cache (0.48s)
[7487/29170] Fetching swift-system, swift-collections
Fetched https://github.com/apple/swift-system.git from cache (2.10s)
Fetched https://github.com/apple/swift-collections.git from cache (2.17s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (3.06s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.88s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.17s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.98.0
Building for debugging...
[0/22] Write sources
[9/22] Compiling _AtomicsShims.c
[10/22] Compiling CNIOWASI CNIOWASI.c
[11/22] Compiling CNIOWindows WSAStartup.c
[12/22] Compiling CNIOOpenBSD shim.c
[13/22] Compiling CNIOWindows shim.c
[14/22] Write sources
[15/22] Compiling CNIOLinux liburing_shims.c
[16/22] Compiling CNIOPosix event_loop_id.c
[17/22] Compiling CNIODarwin shim.c
[18/22] Write swift-version-24593BA9C3E375BF.txt
[19/22] Compiling CNIOLinux shim.c
[21/64] Emitting module InternalCollectionsUtilities
[21/66] Compiling c-nioatomics.c
[22/66] Compiling c-atomics.c
[24/73] Emitting module Atomics
[25/75] Compiling Atomics UnsafeAtomic.swift
[26/75] Compiling Atomics UnsafeAtomicLazyReference.swift
[27/75] Compiling Atomics IntegerOperations.swift
[28/75] Compiling Atomics Unmanaged extensions.swift
[29/75] Compiling Atomics AtomicMemoryOrderings.swift
[30/75] Compiling Atomics DoubleWord.swift
[35/75] Compiling Atomics IntegerConformances.swift
[36/75] Compiling Atomics PointerConformances.swift
[37/75] Compiling Atomics Primitives.native.swift
[38/75] Compiling Atomics OptionalRawRepresentable.swift
[39/75] Compiling Atomics RawRepresentable.swift
[40/75] Compiling Atomics AtomicBool.swift
[41/75] Compiling Atomics AtomicInteger.swift
[42/75] Compiling Atomics AtomicOptionalWrappable.swift
[43/75] Compiling Atomics AtomicReference.swift
[44/75] Compiling Atomics ManagedAtomic.swift
[45/75] Compiling Atomics ManagedAtomicLazyReference.swift
[51/75] Compiling Atomics AtomicStorage.swift
[52/75] Compiling Atomics AtomicValue.swift
[60/76] Compiling _NIODataStructures PriorityQueue.swift
[61/76] Compiling _NIOBase64 Base64.swift
[62/76] Emitting module _NIOBase64
[65/77] Compiling _NIODataStructures _TinyArray.swift
[70/111] Compiling ContainersPreview BorrowingSequence+Utilities.swift
[71/111] Compiling ContainersPreview BorrowingSequence.swift
[72/111] Compiling ContainersPreview BidirectionalContainer.swift
[73/111] Compiling ContainersPreview Container+Filter.swift
[74/111] Compiling ContainersPreview Container+SpanwiseZip.swift
[75/111] Compiling ContainersPreview Drain+Reduce.swift
[76/111] Compiling ContainersPreview Drain.swift
[77/111] Compiling ContainersPreview Producer+Collect.swift
[78/111] Compiling ContainersPreview Producer+Filter.swift
[79/111] Compiling ContainersPreview RandomAccessContainer.swift
[80/111] Compiling ContainersPreview RangeExpression2.swift
[81/111] Compiling ContainersPreview RangeReplaceableContainer.swift
[82/111] Compiling ContainersPreview Drain+Map.swift
[83/115] Compiling ContainersPreview Producer+Map.swift
[84/115] Compiling ContainersPreview Producer+Reduce.swift
[85/115] Compiling ContainersPreview Producer.swift
[86/115] Compiling ContainersPreview Borrow.swift
[87/115] Compiling ContainersPreview BorrowingIteratorProtocol+Map.swift
[88/115] Compiling ContainersPreview BorrowingIteratorProtocol+Reduce.swift
[89/115] Compiling ContainersPreview BorrowingIteratorProtocol+SpanwiseZip.swift
[90/115] Compiling ContainersPreview BorrowingIteratorProtocol.swift
[91/115] Compiling ContainersPreview BorrowingSequence+Standard Conformances.swift
[92/115] Compiling ContainersPreview Container.swift
[93/115] Compiling ContainersPreview ContainerIterator.swift
[94/115] Compiling ContainersPreview DynamicContainer.swift
[95/115] Compiling ContainersPreview MutableContainer.swift
[96/115] Compiling ContainersPreview PermutableContainer.swift
[97/115] Emitting module ContainersPreview
[98/115] Compiling ContainersPreview Box.swift
[99/115] Compiling ContainersPreview Inout.swift
[100/115] Compiling ContainersPreview InputSpan.swift
[101/115] Compiling ContainersPreview Shared.swift
[102/115] Compiling ContainersPreview OutputSpan+Extras.swift
[103/115] Compiling ContainersPreview TemporaryAllocation.swift
[104/115] Compiling ContainersPreview BorrowingIteratorProtocol+Copy.swift
[105/115] Compiling ContainersPreview BorrowingIteratorProtocol+ElementsEqual.swift
[106/115] Compiling ContainersPreview BorrowingIteratorProtocol+Filter.swift
[108/156] Emitting module NIOConcurrencyHelpers
[109/156] Compiling NIOConcurrencyHelpers NIOLock.swift
[110/156] Compiling NIOConcurrencyHelpers lock.swift
[111/156] Compiling DequeModule UniqueDeque+Consumption.swift
[112/156] Compiling DequeModule UniqueDeque+Container.swift
[113/156] Compiling DequeModule UniqueDeque+Descriptions.swift
[114/156] Compiling DequeModule UniqueDeque+Equatable.swift
[115/156] Compiling DequeModule UniqueDeque+Experimental.swift
[116/161] Emitting module _NIODataStructures
[117/161] Compiling _NIODataStructures Heap.swift
[119/162] Compiling DequeModule _DequeBuffer.swift
[120/162] Compiling DequeModule _DequeBufferHeader.swift
[121/162] Compiling DequeModule RigidDeque+Append.swift
[122/162] Compiling DequeModule RigidDeque+Consumption.swift
[123/162] Compiling DequeModule RigidDeque+Container.swift
[124/162] Compiling DequeModule RigidDeque+Descriptions.swift
[125/162] Compiling NIOConcurrencyHelpers NIOThreadPoolWorkAvailable.swift
[126/162] Compiling NIOConcurrencyHelpers NIOLockedValueBox.swift
[127/162] Compiling NIOConcurrencyHelpers atomics.swift
[128/162] Compiling NIOConcurrencyHelpers NIOAtomic.swift
[129/163] Compiling DequeModule UniqueDeque+Hashable.swift
[130/163] Compiling DequeModule UniqueDeque+Initializers.swift
[131/163] Compiling DequeModule UniqueDeque+Insertions.swift
[132/163] Compiling DequeModule UniqueDeque+Prepend.swift
[133/163] Compiling DequeModule UniqueDeque+Removals.swift
[135/163] Compiling DequeModule RigidDeque+Equatable.swift
[136/163] Compiling DequeModule RigidDeque+Experimental.swift
[137/163] Compiling DequeModule RigidDeque+Hashable.swift
[138/163] Compiling DequeModule RigidDeque+Initializers.swift
[139/163] Compiling DequeModule RigidDeque+Insertions.swift
[140/163] Compiling DequeModule RigidDeque+Prepend.swift
[141/163] Compiling DequeModule RigidDeque+Removals.swift
[142/163] Compiling DequeModule RigidDeque+Replacements.swift
[143/163] Compiling DequeModule RigidDeque+Testing.swift
[144/163] Compiling DequeModule RigidDeque.swift
[145/163] Compiling DequeModule UniqueDeque+Append.swift
[146/163] Compiling DequeModule Deque+Codable.swift
[147/163] Compiling DequeModule Deque+Collection.swift
[148/163] Compiling DequeModule Deque+CustomReflectable.swift
[149/163] Compiling DequeModule Deque+Descriptions.swift
[150/163] Compiling DequeModule Deque+Equatable.swift
[151/163] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[152/163] Compiling DequeModule Deque+Extras.swift
[153/163] Compiling DequeModule Deque+Hashable.swift
[154/163] Compiling DequeModule Deque+Testing.swift
[155/163] Compiling DequeModule Deque._Storage.swift
[156/163] Compiling DequeModule Deque._UnsafeHandle.swift
[157/163] Compiling DequeModule Deque.swift
[158/163] Compiling DequeModule UniqueDeque+Replacements.swift
[159/163] Compiling DequeModule UniqueDeque.swift
[160/163] Compiling DequeModule _DequeSlot.swift
[161/163] Compiling DequeModule _UnsafeDequeHandle.swift
[162/163] Compiling DequeModule _UnsafeDequeSegments.swift
[163/163] Emitting module DequeModule
[165/228] Compiling NIOCore IPProtocol.swift
[166/228] Compiling NIOCore IntegerBitPacking.swift
[167/228] Compiling NIOCore IntegerTypes.swift
[168/228] Compiling NIOCore Interfaces.swift
[169/228] Compiling NIOCore Linux.swift
[170/228] Compiling NIOCore MarkedCircularBuffer.swift
[171/228] Compiling NIOCore MulticastChannel.swift
[172/228] Compiling NIOCore NIOAny.swift
[173/228] Compiling NIOCore NIOCloseOnErrorHandler.swift
[174/228] Compiling NIOCore EventLoopFuture+Deprecated.swift
[175/228] Compiling NIOCore EventLoopFuture+WithEventLoop.swift
[176/228] Compiling NIOCore EventLoopFuture.swift
[177/228] Compiling NIOCore FileDescriptor.swift
[178/228] Compiling NIOCore FileHandle.swift
[179/228] Compiling NIOCore FileRegion.swift
[180/228] Compiling NIOCore GlobalSingletons.swift
[181/228] Compiling NIOCore IO.swift
[182/228] Compiling NIOCore IOData.swift
[183/236] Compiling NIOCore AddressedEnvelope.swift
[184/236] Compiling NIOCore AsyncAwaitSupport.swift
[185/236] Compiling NIOCore AsyncChannel.swift
[186/236] Compiling NIOCore AsyncChannelHandler.swift
[187/236] Compiling NIOCore AsyncChannelInboundStream.swift
[188/236] Compiling NIOCore AsyncChannelOutboundWriter.swift
[189/236] Compiling NIOCore NIOAsyncSequenceProducer.swift
[190/236] Compiling NIOCore NIOAsyncSequenceProducerStrategies.swift
[191/236] Compiling NIOCore NIOAsyncWriter.swift
[192/236] Compiling NIOCore CircularBuffer.swift
[193/236] Compiling NIOCore Codec.swift
[194/236] Compiling NIOCore ConvenienceOptionSupport.swift
[195/236] Compiling NIOCore DeadChannel.swift
[196/236] Compiling NIOCore DispatchQueue+WithFuture.swift
[197/236] Compiling NIOCore EventLoop+Deprecated.swift
[198/236] Compiling NIOCore EventLoop+SerialExecutor.swift
[199/236] Compiling NIOCore EventLoop.swift
[200/236] Compiling NIOCore EventLoopFuture+AssumeIsolated.swift
[201/236] Compiling NIOCore NIOThrowingAsyncSequenceProducer.swift
[202/236] Compiling NIOCore BSDSocketAPI.swift
[203/236] Compiling NIOCore ByteBuffer-aux.swift
[204/236] Compiling NIOCore ByteBuffer-binaryEncodedLengthPrefix.swift
[205/236] Compiling NIOCore ByteBuffer-conversions.swift
[206/236] Compiling NIOCore ByteBuffer-core.swift
[207/236] Compiling NIOCore ByteBuffer-hex.swift
[208/236] Compiling NIOCore ByteBuffer-int.swift
[209/236] Compiling NIOCore ByteBuffer-lengthPrefix.swift
[210/236] Compiling NIOCore SingleStepByteToMessageDecoder.swift
[211/236] Compiling NIOCore SocketAddresses.swift
[212/236] Compiling NIOCore SocketOptionProvider.swift
[213/236] Compiling NIOCore SystemCallHelpers.swift
[214/236] Compiling NIOCore TimeAmount+Duration.swift
[215/236] Compiling NIOCore TypeAssistedChannelHandler.swift
[216/236] Compiling NIOCore UniversalBootstrapSupport.swift
[217/236] Compiling NIOCore Utilities.swift
[218/236] Compiling NIOCore NIOCoreSendableMetatype.swift
[219/236] Compiling NIOCore NIODecodedAsyncSequence.swift
[220/236] Compiling NIOCore NIOLoopBound.swift
[221/236] Compiling NIOCore NIOPooledRecvBufferAllocator.swift
[222/236] Compiling NIOCore NIOScheduledCallback.swift
[223/236] Compiling NIOCore NIOSendable.swift
[224/236] Compiling NIOCore NIOSplitLinesMessageDecoder.swift
[225/236] Compiling NIOCore NIOTransportAccessibleChannelCore.swift
[226/236] Compiling NIOCore RecvByteBufferAllocator.swift
[227/236] Compiling NIOCore ByteBuffer-multi-int.swift
[228/236] Compiling NIOCore ByteBuffer-quicBinaryEncodingStrategy.swift
[229/236] Compiling NIOCore ByteBuffer-views.swift
[230/236] Compiling NIOCore Channel.swift
[231/236] Compiling NIOCore ChannelHandler.swift
[232/236] Compiling NIOCore ChannelHandlers.swift
[233/236] Compiling NIOCore ChannelInvoker.swift
[234/236] Compiling NIOCore ChannelOption.swift
[235/236] Compiling NIOCore ChannelPipeline.swift
[236/236] Emitting module NIOCore
[238/287] Compiling NIOPosix HappyEyeballs.swift
[239/287] Compiling NIOPosix IO.swift
[240/287] Compiling NIOPosix IntegerBitPacking.swift
[241/287] Compiling NIOPosix IntegerTypes.swift
[242/287] Compiling NIOPosix Linux.swift
[243/287] Compiling NIOPosix LinuxCPUSet.swift
[244/287] Compiling NIOPosix LinuxUring.swift
[245/293] Compiling NIOPosix ThreadPosix.swift
[246/293] Compiling NIOPosix ThreadWindows.swift
[247/293] Compiling NIOPosix Utilities.swift
[248/293] Compiling NIOPosix VsockAddress.swift
[249/293] Compiling NIOPosix VsockChannelEvents.swift
[250/293] Compiling NIOPosix Windows.swift
[251/293] Compiling NIOPosix PipePair.swift
[252/293] Compiling NIOPosix Pool.swift
[253/293] Compiling NIOPosix PosixSingletons+ConcurrencyTakeOver.swift
[254/293] Compiling NIOPosix PosixSingletons.swift
[255/293] Compiling NIOPosix RawSocketBootstrap.swift
[256/293] Compiling NIOPosix Resolver.swift
[257/293] Compiling NIOPosix Selectable.swift
[258/293] Emitting module NIOPosix
[259/293] Compiling NIOPosix SelectableChannel.swift
[260/293] Compiling NIOPosix SelectableEventLoop.swift
[261/293] Compiling NIOPosix SelectorEpoll.swift
[262/293] Compiling NIOPosix SelectorGeneric.swift
[263/293] Compiling NIOPosix SelectorKqueue.swift
[264/293] Compiling NIOPosix SelectorUring.swift
[265/293] Compiling NIOPosix SelectorWSAPoll.swift
[266/293] Compiling NIOPosix ServerSocket.swift
[267/293] Compiling NIOPosix Socket.swift
[268/293] Compiling NIOPosix SocketChannel.swift
[269/293] Compiling NIOPosix SocketProtocols.swift
[270/293] Compiling NIOPosix StructuredConcurrencyHelpers.swift
[271/293] Compiling NIOPosix System.swift
[272/293] Compiling NIOPosix Thread.swift
[273/293] Compiling NIOPosix BSDSocketAPICommon.swift
[274/293] Compiling NIOPosix BSDSocketAPIPosix.swift
[275/293] Compiling NIOPosix BSDSocketAPIWindows.swift
[276/293] Compiling NIOPosix BaseSocket.swift
[277/293] Compiling NIOPosix BaseSocketChannel+AccessibleTransport.swift
[278/293] Compiling NIOPosix BaseSocketChannel+SocketOptionProvider.swift
[279/293] Compiling NIOPosix BaseSocketChannel.swift
[280/293] Compiling NIOPosix BaseStreamSocketChannel.swift
[281/293] Compiling NIOPosix Bootstrap.swift
[282/293] Compiling NIOPosix ControlMessage.swift
[283/293] Compiling NIOPosix DatagramVectorReadManager.swift
[284/293] Compiling NIOPosix Errors+Any.swift
[285/293] Compiling NIOPosix FileDescriptor.swift
[286/293] Compiling NIOPosix GetaddrinfoResolver.swift
[287/293] Compiling NIOPosix MultiThreadedEventLoopGroup.swift
[288/293] Compiling NIOPosix NIOPosixSendableMetatype.swift
[289/293] Compiling NIOPosix NIOThreadPool.swift
[290/293] Compiling NIOPosix NonBlockingFileIO.swift
[291/293] Compiling NIOPosix PendingDatagramWritesManager.swift
[292/293] Compiling NIOPosix PendingWritesManager.swift
[293/293] Compiling NIOPosix PipeChannel.swift
[295/301] Compiling NIOUDPTransport UDPTransport.swift
[296/301] Compiling NIOUDPTransport UDPError.swift
[297/301] Compiling NIOUDPTransport UDPConfiguration.swift
[298/301] Compiling NIOUDPTransport NIOUDPTransport+Exports.swift
[299/301] Compiling NIOUDPTransport AddressHelpers.swift
[300/301] Emitting module NIOUDPTransport
[301/301] Compiling NIOUDPTransport NIOUDPTransport.swift
Build complete! (119.69s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.92.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio.git"
}
],
"manifest_display_name" : "swift-nio-udp",
"name" : "swift-nio-udp",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
},
{
"name" : "ios",
"version" : "18.0"
},
{
"name" : "tvos",
"version" : "18.0"
},
{
"name" : "watchos",
"version" : "11.0"
},
{
"name" : "visionos",
"version" : "2.0"
}
],
"products" : [
{
"name" : "NIOUDPTransport",
"targets" : [
"NIOUDPTransport"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "NIOUDPTransportTests",
"module_type" : "SwiftTarget",
"name" : "NIOUDPTransportTests",
"path" : "Tests/NIOUDPTransportTests",
"sources" : [
"BenchmarkTests.swift",
"ByteBufferAPITests.swift",
"ConfigurationValidationTests.swift",
"ErrorPathTests.swift",
"MulticastTests.swift",
"NIOUDPTransportTests.swift",
"StateMachineTests.swift"
],
"target_dependencies" : [
"NIOUDPTransport"
],
"type" : "test"
},
{
"c99name" : "NIOUDPTransport",
"module_type" : "SwiftTarget",
"name" : "NIOUDPTransport",
"path" : "Sources/NIOUDPTransport",
"product_dependencies" : [
"NIOCore",
"NIOPosix"
],
"product_memberships" : [
"NIOUDPTransport"
],
"sources" : [
"AddressHelpers.swift",
"NIOUDPTransport+Exports.swift",
"NIOUDPTransport.swift",
"UDPConfiguration.swift",
"UDPError.swift",
"UDPTransport.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Done.