Swift Package Index

Build Information

Successful build of MQTTKit, reference master (ec8946), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 10:58:17 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/arnecs/mqttkit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/arnecs/mqttkit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ec89464 travis script xcodebuild
Cloned https://github.com/arnecs/mqttkit.git
Revision (git rev-parse @):
ec894640f1ea27f758b3f4d22722d83159773cd0
SUCCESS checkout https://github.com/arnecs/mqttkit.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/arnecs/mqttkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[19 / 28]
[28 / 37] MQTTKit
[34 / 37] MQTTKit
[37 / 37] MQTTKit-product
Build complete! (6.75 sec)
/Users/admin/builder/spi-builder-workspace/Sources/Constants.swift:45:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 43 |
 44 | public extension MQTTQoSLevel {
 45 |     public static func < (lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 46 |         return lhs.rawValue < rhs.rawValue
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/MQTTPacket.swift:63:14: warning: function call causes an infinite recursion
 61 |
 62 |     init(header: MQTTPacket.Header) {
 63 |         self.init(header: header)
    |              `- warning: function call causes an infinite recursion
 64 |     }
 65 | }
/Users/admin/builder/spi-builder-workspace/Sources/Constants.swift:45:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 43 |
 44 | public extension MQTTQoSLevel {
 45 |     public static func < (lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 46 |         return lhs.rawValue < rhs.rawValue
 47 |     }
/Users/admin/builder/spi-builder-workspace/Sources/MQTTSession.swift:137:154: warning: 'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
134 |         }
135 |
136 |         DispatchQueue.main.async {
    |                                  |- note: 'self' implicitly strongly captured here
    |                                  `- note: add 'self' as a capture list item to silence
137 |             self.keepAliveTimer = Timer.scheduledTimer(withTimeInterval: TimeInterval(self.options.keepAliveInterval / 2), repeats: true, block: { [weak self] timer in
    |                                                                                                                                                          |- warning: 'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
    |                                                                                                                                                          `- note: explicitly assign the capture list item to silence
138 |                 guard self?.outputStream?.streamStatus == .open,
139 |                     -self!.lastServerResponse.timeIntervalSinceNow < Double(self!.options.keepAliveInterval) * 1.5  else {
[#ImplicitStrongCapture]: <https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture>
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MQTTKit",
  "name" : "MQTTKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "MQTTKit",
      "targets" : [
        "MQTTKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MQTTKitTests",
      "module_type" : "SwiftTarget",
      "name" : "MQTTKitTests",
      "path" : "Tests",
      "sources" : [
        "MQTTKitTests.swift"
      ],
      "target_dependencies" : [
        "MQTTKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MQTTKit",
      "module_type" : "SwiftTarget",
      "name" : "MQTTKit",
      "path" : "Sources",
      "product_memberships" : [
        "MQTTKit"
      ],
      "sources" : [
        "Constants.swift",
        "Extensions.swift",
        "MQTTMessage.swift",
        "MQTTOptions.swift",
        "MQTTPacket.swift",
        "MQTTSession.swift",
        "MQTTSessionDelegate.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.