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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 FlyingFox, reference main (273e3f), with Swift 5.10 for macOS (SPM) on 5 May 2025 10:16:28 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swhitty/FlyingFox.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swhitty/FlyingFox
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 273e3fc alphabetical sort
Cloned https://github.com/swhitty/FlyingFox.git
Revision (git rev-parse @):
273e3fc0e6ef3f7cdef9c7635e2cf6147176a635
SUCCESS checkout https://github.com/swhitty/FlyingFox.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/swhitty/FlyingFox.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-33747A42983211AE.txt
[4/31] Emitting module FlyingSocks
[5/33] Compiling FlyingSocks Socket+Darwin.swift
[6/33] Compiling FlyingSocks Socket+Glibc.swift
[7/33] Compiling FlyingSocks Socket+Musl.swift
[8/33] Compiling FlyingSocks Logging.swift
[9/33] Compiling FlyingSocks Mutex.swift
[10/33] Compiling FlyingSocks Socket+Android.swift
[11/33] Compiling FlyingSocks Task+Timeout.swift
[12/33] Compiling FlyingSocks Transferring.swift
[13/33] Compiling FlyingSocks AsyncBufferedPrefixSequence.swift
[14/33] Compiling FlyingSocks AsyncBufferedSequence+Extensions.swift
[15/33] Compiling FlyingSocks AsyncBufferedSequence.swift
[16/33] Compiling FlyingSocks SocketPool+kQueue.swift
[17/33] Compiling FlyingSocks SocketPool.swift
[18/33] Compiling FlyingSocks SwiftSupport.swift
[19/33] Compiling FlyingSocks ConsumingAsyncSequence.swift
[20/33] Compiling FlyingSocks IdentifiableContinuation.swift
[21/33] Compiling FlyingSocks Logging+OSLog.swift
[22/33] Compiling FlyingSocks Socket+WinSock2.swift
[23/33] Compiling FlyingSocks Socket.swift
[24/33] Compiling FlyingSocks SocketAddress.swift
[25/33] Compiling FlyingSocks AsyncChunkedSequence.swift
[26/33] Compiling FlyingSocks AsyncSharedReplaySequence.swift
[27/33] Compiling FlyingSocks AsyncSocket.swift
[28/33] Compiling FlyingSocks AsyncBufferedCollection.swift
[29/33] Compiling FlyingSocks AsyncBufferedEmptySequence.swift
[30/33] Compiling FlyingSocks AsyncBufferedFileSequence.swift
[31/33] Compiling FlyingSocks SocketError.swift
[32/33] Compiling FlyingSocks SocketPool+Poll.swift
[33/33] Compiling FlyingSocks SocketPool+ePoll.swift
[34/74] Compiling FlyingFox HTTPVersion.swift
[35/74] Compiling FlyingFox ClosureHTTPHandler.swift
[36/74] Compiling FlyingFox DirectoryHTTPHandler.swift
[37/74] Compiling FlyingFox FileHTTPHandler.swift
[38/78] Emitting module FlyingFox
[39/78] Compiling FlyingFox JSONPredicatePattern.swift
[40/78] Compiling FlyingFox NonisolatedUnsafe.swift
[41/78] Compiling FlyingFox SocketAddress+Glibc.swift
[42/78] Compiling FlyingFox URLSession+Async.swift
[43/78] Compiling FlyingFox AsyncStream+WSFrame.swift
[44/78] Compiling FlyingFox SHA1.swift
[45/78] Compiling FlyingFox WSCloseCode.swift
[46/78] Compiling FlyingFox WSFrame.swift
[47/78] Compiling FlyingFox AsyncSequence+Extensions.swift
[48/78] Compiling FlyingFox HTTPBodyPattern.swift
[49/78] Compiling FlyingFox HTTPBodySequence.swift
[50/78] Compiling FlyingFox HTTPChunkedEncodedSequence.swift
[51/78] Compiling FlyingFox HTTPClient.swift
[52/78] Compiling FlyingFox ProxyHTTPHandler.swift
[53/78] Compiling FlyingFox RedirectHTTPHandler.swift
[54/78] Compiling FlyingFox RoutedHTTPHandler.swift
[55/78] Compiling FlyingFox WebSocketHTTPHandler.swift
[56/78] Compiling FlyingFox HTTPConnection.swift
[57/78] Compiling FlyingFox HTTPDecoder.swift
[58/78] Compiling FlyingFox HTTPEncoder.swift
[59/78] Compiling FlyingFox HTTPHandler.swift
[60/78] Compiling FlyingFox HTTPHeader.swift
[61/78] Compiling FlyingFox HTTPRequest+RouteParameter.swift
[62/78] Compiling FlyingFox HTTPRequest.swift
[63/78] Compiling FlyingFox HTTPResponse.swift
[64/78] Compiling FlyingFox HTTPRoute.swift
[65/78] Compiling FlyingFox HTTPRouteParameterValue.swift
[66/78] Compiling FlyingFox HTTPServer+Configuration.swift
[67/78] Compiling FlyingFox HTTPServer+Listening.swift
[68/78] Compiling FlyingFox HTTPServer.swift
[69/78] Compiling FlyingFox HTTPStatusCode.swift
[70/78] Compiling FlyingFox HTTPLogging+OSLog.swift
[71/78] Compiling FlyingFox HTTPLogging.swift
[72/78] Compiling FlyingFox HTTPMethod.swift
[73/78] Compiling FlyingFox HTTPRequest+Address.swift
[74/78] Compiling FlyingFox HTTPRequest+QueryItem.swift
[75/78] Compiling FlyingFox WSFrameEncoder.swift
[76/78] Compiling FlyingFox WSFrameValidator.swift
[77/78] Compiling FlyingFox WSHandler.swift
[78/78] Compiling FlyingFox WSMessage.swift
Build complete! (6.84s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FlyingFox",
  "name" : "FlyingFox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "FlyingFox",
      "targets" : [
        "FlyingFox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "FlyingSocks",
      "targets" : [
        "FlyingSocks"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlyingSocksXCTests",
      "module_type" : "SwiftTarget",
      "name" : "FlyingSocksXCTests",
      "path" : "FlyingSocks/XCTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/FlyingSocks/XCTests/Resources",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "AsyncBufferedDataSequenceTests.swift",
        "AsyncBufferedEmptySequenceTests.swift",
        "AsyncBufferedFileSequenceTests.swift",
        "AsyncSharedReplaySequenceTests.swift",
        "AsyncSocketTests.swift",
        "IdentifiableContinuationTests.swift",
        "Logging+OSLogTests.swift",
        "Logging+PrintTests.swift",
        "MutexTests.swift",
        "SocketAddress+Glibc.swift",
        "SocketAddressTests.swift",
        "SocketErrorTests.swift",
        "SocketPool+PollTests.swift",
        "SocketPool+kQueueTests.swift",
        "SocketPoolTests.swift",
        "SocketTests.swift",
        "Task+TimeoutTests.swift",
        "XCTest+Extension.swift"
      ],
      "target_dependencies" : [
        "FlyingSocks"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlyingSocks",
      "module_type" : "SwiftTarget",
      "name" : "FlyingSocks",
      "path" : "FlyingSocks/Sources",
      "product_memberships" : [
        "FlyingFox",
        "FlyingSocks"
      ],
      "sources" : [
        "AsyncBufferedCollection.swift",
        "AsyncBufferedEmptySequence.swift",
        "AsyncBufferedFileSequence.swift",
        "AsyncBufferedPrefixSequence.swift",
        "AsyncBufferedSequence+Extensions.swift",
        "AsyncBufferedSequence.swift",
        "AsyncChunkedSequence.swift",
        "AsyncSharedReplaySequence.swift",
        "AsyncSocket.swift",
        "ConsumingAsyncSequence.swift",
        "IdentifiableContinuation.swift",
        "Logging+OSLog.swift",
        "Logging.swift",
        "Mutex.swift",
        "Socket+Android.swift",
        "Socket+Darwin.swift",
        "Socket+Glibc.swift",
        "Socket+Musl.swift",
        "Socket+WinSock2.swift",
        "Socket.swift",
        "SocketAddress.swift",
        "SocketError.swift",
        "SocketPool+Poll.swift",
        "SocketPool+ePoll.swift",
        "SocketPool+kQueue.swift",
        "SocketPool.swift",
        "SwiftSupport.swift",
        "Task+Timeout.swift",
        "Transferring.swift"
      ],
      "target_dependencies" : [
        "CSystemLinux"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlyingFoxXCTests",
      "module_type" : "SwiftTarget",
      "name" : "FlyingFoxXCTests",
      "path" : "FlyingFox/XCTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/FlyingFox/XCTests/Stubs",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "AsyncSequence+ExtensionsTests.swift",
        "AsyncSocketTests.swift",
        "HTTPBodyPatternTests.swift",
        "HTTPBodySequenceTests.swift",
        "HTTPClientTests.swift",
        "HTTPConnectionTests.swift",
        "HTTPDecoderTests.swift",
        "HTTPEncoderTests.swift",
        "HTTPHeaderTests.swift",
        "HTTPLoggingTests.swift",
        "HTTPMethodTests.swift",
        "HTTPRequest+AddressTests.swift",
        "HTTPRequest+Mock.swift",
        "HTTPRequest+QueryItemTests.swift",
        "HTTPRequestTests.swift",
        "HTTPResponse+Mock.swift",
        "HTTPResponseTests.swift",
        "HTTPRouteParameterValueTests.swift",
        "HTTPRouteTests.swift",
        "HTTPServerTests.swift",
        "HTTPStatusCodeTests.swift",
        "Handlers/DirectoryHTTPHandlerTests.swift",
        "Handlers/HTTPHandlerTests.swift",
        "Handlers/RoutedHTTPHandlerTests.swift",
        "Handlers/WebSocketHTTPHandlerTests.swift",
        "SocketAddress+Glibc.swift",
        "URLSession+AsyncTests.swift",
        "WebSocket/AsyncStream+WSFrameTests.swift",
        "WebSocket/WSFrameEncoderTests.swift",
        "WebSocket/WSFrameTests.swift",
        "WebSocket/WSFrameValidatorTests.swift",
        "WebSocket/WSHandlerTests.swift",
        "XCTest+Extension.swift"
      ],
      "target_dependencies" : [
        "FlyingFox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlyingFox",
      "module_type" : "SwiftTarget",
      "name" : "FlyingFox",
      "path" : "FlyingFox/Sources",
      "product_memberships" : [
        "FlyingFox"
      ],
      "sources" : [
        "AsyncSequence+Extensions.swift",
        "HTTPBodyPattern.swift",
        "HTTPBodySequence.swift",
        "HTTPChunkedEncodedSequence.swift",
        "HTTPClient.swift",
        "HTTPConnection.swift",
        "HTTPDecoder.swift",
        "HTTPEncoder.swift",
        "HTTPHandler.swift",
        "HTTPHeader.swift",
        "HTTPLogging+OSLog.swift",
        "HTTPLogging.swift",
        "HTTPMethod.swift",
        "HTTPRequest+Address.swift",
        "HTTPRequest+QueryItem.swift",
        "HTTPRequest+RouteParameter.swift",
        "HTTPRequest.swift",
        "HTTPResponse.swift",
        "HTTPRoute.swift",
        "HTTPRouteParameterValue.swift",
        "HTTPServer+Configuration.swift",
        "HTTPServer+Listening.swift",
        "HTTPServer.swift",
        "HTTPStatusCode.swift",
        "HTTPVersion.swift",
        "Handlers/ClosureHTTPHandler.swift",
        "Handlers/DirectoryHTTPHandler.swift",
        "Handlers/FileHTTPHandler.swift",
        "Handlers/ProxyHTTPHandler.swift",
        "Handlers/RedirectHTTPHandler.swift",
        "Handlers/RoutedHTTPHandler.swift",
        "Handlers/WebSocketHTTPHandler.swift",
        "JSONPredicatePattern.swift",
        "NonisolatedUnsafe.swift",
        "SocketAddress+Glibc.swift",
        "URLSession+Async.swift",
        "WebSocket/AsyncStream+WSFrame.swift",
        "WebSocket/SHA1.swift",
        "WebSocket/WSCloseCode.swift",
        "WebSocket/WSFrame.swift",
        "WebSocket/WSFrameEncoder.swift",
        "WebSocket/WSFrameValidator.swift",
        "WebSocket/WSHandler.swift",
        "WebSocket/WSMessage.swift"
      ],
      "target_dependencies" : [
        "FlyingSocks"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CSystemLinux",
      "module_type" : "ClangTarget",
      "name" : "CSystemLinux",
      "path" : "CSystemLinux",
      "product_memberships" : [
        "FlyingFox",
        "FlyingSocks"
      ],
      "sources" : [
        "shims.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.