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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of NIOErrorKit, reference master (9c8243), with Swift 6.1 for Linux on 25 Apr 2025 13:20:35 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/einstore/nioerrorkit.git
Reference: master
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/einstore/nioerrorkit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 9c82433 Update README.md
Cloned https://github.com/einstore/nioerrorkit.git
Revision (git rev-parse @):
9c82433ca1371a52a1eff48a55c006badb42b11c
SUCCESS checkout https://github.com/einstore/nioerrorkit.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/einstore/nioerrorkit.git
https://github.com/einstore/nioerrorkit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-nio",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.3.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio.git"
    },
    {
      "identity" : "weberrorkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Einstore/WebErrorKit.git"
    }
  ],
  "manifest_display_name" : "NIOErrorKit",
  "name" : "NIOErrorKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NIOErrorKit",
      "targets" : [
        "NIOErrorKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NIOErrorKit",
      "module_type" : "SwiftTarget",
      "name" : "NIOErrorKit",
      "path" : "Sources/NIOErrorKit",
      "product_dependencies" : [
        "WebErrorKit",
        "NIO",
        "NIOHTTP1"
      ],
      "product_memberships" : [
        "NIOErrorKit"
      ],
      "sources" : [
        "Exports.swift",
        "WebError+NIO.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/Einstore/WebErrorKit.git
Fetching https://github.com/apple/swift-nio.git
[1/28] Fetching weberrorkit
[28/75459] Fetching weberrorkit, swift-nio
Fetched https://github.com/Einstore/WebErrorKit.git from cache (4.73s)
Fetched https://github.com/apple/swift-nio.git from cache (4.82s)
Computing version for https://github.com/Einstore/WebErrorKit.git
Computed https://github.com/Einstore/WebErrorKit.git at 0.0.1 (6.02s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.82.0 (1.21s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
[1/1705] Fetching swift-atomics
[1263/6058] Fetching swift-atomics, swift-system
[4536/22300] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-atomics.git from cache (0.63s)
Fetched https://github.com/apple/swift-system.git from cache (0.63s)
[5523/16242] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.23s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (1.73s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.4.2 (0.49s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (0.77s)
Creating working copy for https://github.com/Einstore/WebErrorKit.git
Working copy of https://github.com/Einstore/WebErrorKit.git resolved at 0.0.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.82.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.4.2
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Building for debugging...
[0/26] Write sources
[12/26] Compiling CNIOWindows shim.c
[12/26] Compiling CNIOWASI CNIOWASI.c
[14/26] Compiling CNIOWindows WSAStartup.c
[15/26] Compiling CNIODarwin shim.c
[16/26] Compiling CNIOLinux liburing_shims.c
[17/26] Compiling CNIOLLHTTP c_nio_http.c
[18/26] Write sources
[19/26] Compiling CNIOLLHTTP c_nio_api.c
[20/26] Compiling CNIOLinux shim.c
[21/26] Compiling _AtomicsShims.c
[22/26] Write swift-version-24593BA9C3E375BF.txt
[23/26] Compiling CNIOLLHTTP c_nio_llhttp.c
[25/76] Emitting module _NIODataStructures
[26/76] Emitting module Atomics
[26/78] Compiling c-nioatomics.c
[28/78] Emitting module WebErrorKit
[28/78] Compiling c-atomics.c
[30/78] Compiling WebErrorKit WebError+RawRepresentable.swift
[31/78] Compiling _NIODataStructures _TinyArray.swift
[32/78] Compiling _NIODataStructures PriorityQueue.swift
[33/78] Compiling Atomics OptionalRawRepresentable.swift
[34/78] Compiling Atomics RawRepresentable.swift
[35/78] Compiling Atomics AtomicBool.swift
[36/78] Emitting module InternalCollectionsUtilities
[37/78] Compiling Atomics DoubleWord.swift
[38/78] Compiling Atomics Primitives.shims.swift
[39/80] Compiling Atomics IntegerOperations.swift
[40/81] Compiling Atomics Unmanaged extensions.swift
[41/83] Compiling Atomics IntegerConformances.swift
[42/83] Compiling Atomics PointerConformances.swift
[43/83] Compiling Atomics Primitives.native.swift
[44/85] Compiling _NIOBase64 Base64.swift
[45/85] Emitting module _NIOBase64
[46/87] Compiling WebErrorKit WebError.swift
[47/87] Compiling WebErrorKit WebErrorContent.swift
[48/87] Compiling WebErrorKit String+Codify.swift
[50/87] Compiling NIOConcurrencyHelpers NIOLockedValueBox.swift
[51/87] Compiling WebErrorKit SerializableWebError.swift
[52/87] Compiling WebErrorKit WebError+Serializable.swift
[53/87] Compiling Atomics AtomicInteger.swift
[54/87] Compiling Atomics AtomicOptionalWrappable.swift
[55/87] Compiling Atomics ManagedAtomic.swift
[56/87] Compiling Atomics ManagedAtomicLazyReference.swift
[60/87] Compiling Atomics AtomicMemoryOrderings.swift
[62/87] Compiling Atomics AtomicReference.swift
[63/87] Compiling Atomics AtomicStorage.swift
[64/87] Compiling Atomics AtomicValue.swift
[67/87] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[68/87] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[83/89] Emitting module NIOConcurrencyHelpers
[84/104] Compiling DequeModule Deque+Equatable.swift
[85/104] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[86/106] Compiling DequeModule Deque+Extras.swift
[87/106] Compiling DequeModule Deque+Hashable.swift
[88/106] Compiling DequeModule _DequeBuffer.swift
[89/106] Compiling DequeModule _DequeBufferHeader.swift
[90/106] Compiling DequeModule Deque+CustomReflectable.swift
[91/106] Compiling DequeModule Deque+Descriptions.swift
[92/106] Compiling NIOConcurrencyHelpers lock.swift
[93/106] Compiling NIOConcurrencyHelpers NIOAtomic.swift
[94/106] Compiling NIOConcurrencyHelpers NIOLock.swift
[95/106] Compiling _NIODataStructures Heap.swift
[96/107] Compiling NIOConcurrencyHelpers atomics.swift
[97/107] Compiling WebErrorKit Exports.swift
[98/109] Compiling DequeModule _DequeSlot.swift
[99/109] Compiling DequeModule _UnsafeWrappedBuffer.swift
[100/109] Compiling DequeModule Deque+Testing.swift
[101/109] Compiling DequeModule Deque._Storage.swift
[102/109] Compiling DequeModule Deque._UnsafeHandle.swift
[103/109] Compiling DequeModule Deque.swift
[104/109] Emitting module DequeModule
[105/109] Compiling DequeModule Deque+Codable.swift
[106/109] Compiling DequeModule Deque+Collection.swift
[111/169] Compiling NIOCore GlobalSingletons.swift
[112/169] Compiling NIOCore IO.swift
[113/169] Compiling NIOCore IOData.swift
[114/169] Compiling NIOCore IPProtocol.swift
[115/169] Compiling NIOCore IntegerBitPacking.swift
[116/169] Compiling NIOCore IntegerTypes.swift
[117/169] Compiling NIOCore Interfaces.swift
[118/169] Compiling NIOCore Linux.swift
[119/169] Compiling NIOCore ChannelPipeline.swift
[120/169] Compiling NIOCore CircularBuffer.swift
[121/169] Compiling NIOCore Codec.swift
[122/169] Compiling NIOCore ConvenienceOptionSupport.swift
[123/169] Compiling NIOCore DeadChannel.swift
[124/169] Compiling NIOCore DispatchQueue+WithFuture.swift
[125/169] Compiling NIOCore EventLoop+Deprecated.swift
[126/169] Compiling NIOCore EventLoop+SerialExecutor.swift
[127/169] Compiling NIOCore MarkedCircularBuffer.swift
[128/169] Compiling NIOCore MulticastChannel.swift
[129/169] Compiling NIOCore NIOAny.swift
[130/169] Compiling NIOCore NIOCloseOnErrorHandler.swift
[131/169] Compiling NIOCore NIOLoopBound.swift
[132/169] Compiling NIOCore NIOScheduledCallback.swift
[133/169] Compiling NIOCore NIOSendable.swift
[134/169] Compiling NIOCore RecvByteBufferAllocator.swift
[135/177] Compiling NIOCore EventLoop.swift
[136/177] Compiling NIOCore EventLoopFuture+AssumeIsolated.swift
[137/177] Compiling NIOCore EventLoopFuture+Deprecated.swift
[138/177] Compiling NIOCore EventLoopFuture+WithEventLoop.swift
[139/177] Compiling NIOCore EventLoopFuture.swift
[140/177] Compiling NIOCore FileDescriptor.swift
[141/177] Compiling NIOCore FileHandle.swift
[142/177] Compiling NIOCore FileRegion.swift
[143/177] Compiling NIOCore NIOThrowingAsyncSequenceProducer.swift
[144/177] Compiling NIOCore BSDSocketAPI.swift
[145/177] Compiling NIOCore ByteBuffer-aux.swift
[146/177] Compiling NIOCore ByteBuffer-binaryEncodedLengthPrefix.swift
[147/177] Compiling NIOCore ByteBuffer-conversions.swift
[148/177] Compiling NIOCore ByteBuffer-core.swift
[149/177] Compiling NIOCore ByteBuffer-hex.swift
[150/177] Compiling NIOCore ByteBuffer-int.swift
[151/177] Compiling NIOCore ByteBuffer-lengthPrefix.swift
[152/177] Compiling NIOCore SingleStepByteToMessageDecoder.swift
[153/177] Compiling NIOCore SocketAddresses.swift
[154/177] Compiling NIOCore SocketOptionProvider.swift
[155/177] Compiling NIOCore SystemCallHelpers.swift
[156/177] Compiling NIOCore TimeAmount+Duration.swift
[157/177] Compiling NIOCore TypeAssistedChannelHandler.swift
[158/177] Compiling NIOCore UniversalBootstrapSupport.swift
[159/177] Compiling NIOCore Utilities.swift
[160/177] Compiling NIOCore ByteBuffer-multi-int.swift
[161/177] Compiling NIOCore ByteBuffer-quicBinaryEncodingStrategy.swift
[162/177] Compiling NIOCore ByteBuffer-views.swift
[163/177] Compiling NIOCore Channel.swift
[164/177] Compiling NIOCore ChannelHandler.swift
[165/177] Compiling NIOCore ChannelHandlers.swift
[166/177] Compiling NIOCore ChannelInvoker.swift
[167/177] Compiling NIOCore ChannelOption.swift
[168/177] Compiling NIOCore AddressedEnvelope.swift
[169/177] Compiling NIOCore AsyncAwaitSupport.swift
[170/177] Compiling NIOCore AsyncChannel.swift
[171/177] Compiling NIOCore AsyncChannelHandler.swift
[172/177] Compiling NIOCore AsyncChannelInboundStream.swift
[173/177] Compiling NIOCore AsyncChannelOutboundWriter.swift
[174/177] Compiling NIOCore NIOAsyncSequenceProducer.swift
[175/177] Compiling NIOCore NIOAsyncSequenceProducerStrategies.swift
[176/177] Compiling NIOCore NIOAsyncWriter.swift
[177/177] Emitting module NIOCore
[179/229] Emitting module NIOEmbedded
[180/229] Compiling NIOEmbedded Embedded.swift
[181/229] Compiling NIOEmbedded AsyncTestingEventLoop.swift
[182/229] Compiling NIOEmbedded AsyncTestingChannel.swift
[184/230] Emitting module NIOPosix
[185/236] Compiling NIOPosix SelectableChannel.swift
[186/236] Compiling NIOPosix SelectableEventLoop.swift
[187/236] Compiling NIOPosix SelectorEpoll.swift
[188/236] Compiling NIOPosix SelectorGeneric.swift
[189/236] Compiling NIOPosix SelectorKqueue.swift
[190/236] Compiling NIOPosix SelectorUring.swift
[191/236] Compiling NIOPosix PooledRecvBufferAllocator.swift
[192/236] Compiling NIOPosix PosixSingletons+ConcurrencyTakeOver.swift
[193/236] Compiling NIOPosix PosixSingletons.swift
[194/236] Compiling NIOPosix RawSocketBootstrap.swift
[195/236] Compiling NIOPosix Resolver.swift
[196/236] Compiling NIOPosix Selectable.swift
[197/236] Compiling NIOPosix ServerSocket.swift
[198/236] Compiling NIOPosix Socket.swift
[199/236] Compiling NIOPosix SocketChannel.swift
[200/236] Compiling NIOPosix SocketProtocols.swift
[201/236] Compiling NIOPosix System.swift
[202/236] Compiling NIOPosix Thread.swift
[203/236] Compiling NIOPosix ThreadPosix.swift
[204/236] Compiling NIOPosix ThreadWindows.swift
[205/236] Compiling NIOPosix UnsafeTransfer.swift
[206/236] Compiling NIOPosix Utilities.swift
[207/236] Compiling NIOPosix VsockAddress.swift
[208/236] Compiling NIOPosix VsockChannelEvents.swift
[209/236] Compiling NIOPosix BSDSocketAPICommon.swift
[210/236] Compiling NIOPosix BSDSocketAPIPosix.swift
[211/236] Compiling NIOPosix BSDSocketAPIWindows.swift
[212/236] Compiling NIOPosix BaseSocket.swift
[213/236] Compiling NIOPosix BaseSocketChannel+SocketOptionProvider.swift
[214/236] Compiling NIOPosix BaseSocketChannel.swift
[215/236] Compiling NIOPosix BaseStreamSocketChannel.swift
[216/236] Compiling NIOPosix IO.swift
[217/236] Compiling NIOPosix IntegerBitPacking.swift
[218/236] Compiling NIOPosix IntegerTypes.swift
[219/236] Compiling NIOPosix Linux.swift
[220/236] Compiling NIOPosix LinuxCPUSet.swift
[221/236] Compiling NIOPosix LinuxUring.swift
[222/236] Compiling NIOPosix MultiThreadedEventLoopGroup.swift
[223/236] Compiling NIOPosix Bootstrap.swift
[224/236] Compiling NIOPosix ControlMessage.swift
[225/236] Compiling NIOPosix DatagramVectorReadManager.swift
[226/236] Compiling NIOPosix Errors+Any.swift
[227/236] Compiling NIOPosix FileDescriptor.swift
[228/236] Compiling NIOPosix GetaddrinfoResolver.swift
[229/236] Compiling NIOPosix HappyEyeballs.swift
[230/236] Compiling NIOPosix NIOThreadPool.swift
[231/236] Compiling NIOPosix NonBlockingFileIO.swift
[232/236] Compiling NIOPosix PendingDatagramWritesManager.swift
[233/236] Compiling NIOPosix PendingWritesManager.swift
[234/236] Compiling NIOPosix PipeChannel.swift
[235/236] Compiling NIOPosix PipePair.swift
[236/236] Compiling NIOPosix Pool.swift
[238/239] Emitting module NIO
[239/239] Compiling NIO Exports.swift
[241/256] Emitting module NIOHTTP1
[242/258] Compiling NIOHTTP1 NIOHTTPClientUpgradeHandler.swift
[243/258] Compiling NIOHTTP1 NIOHTTPObjectAggregator.swift
[244/258] Compiling NIOHTTP1 HTTPServerProtocolErrorHandler.swift
[245/258] Compiling NIOHTTP1 HTTPServerUpgradeHandler.swift
[246/258] Compiling NIOHTTP1 HTTPPipelineSetup.swift
[247/258] Compiling NIOHTTP1 HTTPServerPipelineHandler.swift
[248/258] Compiling NIOHTTP1 NIOTypedHTTPClientUpgradeHandler.swift
[249/258] Compiling NIOHTTP1 NIOTypedHTTPClientUpgraderStateMachine.swift
[250/258] Compiling NIOHTTP1 NIOTypedHTTPServerUpgradeHandler.swift
[251/258] Compiling NIOHTTP1 NIOTypedHTTPServerUpgraderStateMachine.swift
[252/258] Compiling NIOHTTP1 HTTPTypedPipelineSetup.swift
[253/258] Compiling NIOHTTP1 HTTPTypes.swift
[254/258] Compiling NIOHTTP1 HTTPHeaderValidator.swift
[255/258] Compiling NIOHTTP1 HTTPHeaders+Validation.swift
[256/258] Compiling NIOHTTP1 ByteCollectionUtils.swift
[257/258] Compiling NIOHTTP1 HTTPDecoder.swift
[258/258] Compiling NIOHTTP1 HTTPEncoder.swift
[260/262] Emitting module NIOErrorKit
[261/262] Compiling NIOErrorKit Exports.swift
[262/262] Compiling NIOErrorKit WebError+NIO.swift
Build complete! (50.10s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-nio",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.3.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio.git"
    },
    {
      "identity" : "weberrorkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Einstore/WebErrorKit.git"
    }
  ],
  "manifest_display_name" : "NIOErrorKit",
  "name" : "NIOErrorKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NIOErrorKit",
      "targets" : [
        "NIOErrorKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NIOErrorKit",
      "module_type" : "SwiftTarget",
      "name" : "NIOErrorKit",
      "path" : "Sources/NIOErrorKit",
      "product_dependencies" : [
        "WebErrorKit",
        "NIO",
        "NIOHTTP1"
      ],
      "product_memberships" : [
        "NIOErrorKit"
      ],
      "sources" : [
        "Exports.swift",
        "WebError+NIO.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.