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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 NetworkMonitorKit, reference main (33d122), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 14:09:19 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Rohijulislam/NetworkMonitorKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Rohijulislam/NetworkMonitorKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 33d1223 Update README.md
Cloned https://github.com/Rohijulislam/NetworkMonitorKit.git
Revision (git rev-parse @):
33d12233172c40ea429354bccc80f9f6bdb0c61b
SUCCESS checkout https://github.com/Rohijulislam/NetworkMonitorKit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Rohijulislam/NetworkMonitorKit.git
https://github.com/Rohijulislam/NetworkMonitorKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NetworkMonitorKit",
  "name" : "NetworkMonitorKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "NetworkMonitorKit",
      "targets" : [
        "NetworkMonitorKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkMonitorKitTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorKitTests",
      "path" : "Tests/NetworkMonitorKitTests",
      "sources" : [
        "NetworkMonitorKitTests.swift"
      ],
      "target_dependencies" : [
        "NetworkMonitorKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetworkMonitorKit",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorKit",
      "path" : "Sources/NetworkMonitorKit",
      "product_memberships" : [
        "NetworkMonitorKit"
      ],
      "sources" : [
        "NetworkConnectionDetails.swift",
        "NetworkMonitorKit.swift",
        "NetworkMonitoringProtocol.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/6] Compiling NetworkMonitorKit NetworkMonitoringProtocol.swift
[4/6] Compiling NetworkMonitorKit NetworkConnectionDetails.swift
[5/6] Compiling NetworkMonitorKit NetworkMonitorKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitorKit/NetworkMonitorKit.swift:147:30: warning: capture of 'self' with non-sendable type 'NetworkMonitorKit?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
  5 | public typealias NetworkStatus = NWPath.Status
  6 |
  7 | final public class NetworkMonitorKit {
    |                    `- note: class 'NetworkMonitorKit' does not conform to the 'Sendable' protocol
  8 |
  9 |     // MARK: - Private Properties
    :
145 |     private func setupPathUpdateHandler() {
146 |         monitor.pathUpdateHandler = { [weak self] path in
147 |             guard let self = self else { return }
    |                              `- warning: capture of 'self' with non-sendable type 'NetworkMonitorKit?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
148 |             self.networkStatusContinuation?.yield(path.status)
149 |             self.logNetworkStatus(path.status)
[6/6] Emitting module NetworkMonitorKit
Build complete! (4.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NetworkMonitorKit",
  "name" : "NetworkMonitorKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "NetworkMonitorKit",
      "targets" : [
        "NetworkMonitorKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkMonitorKitTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorKitTests",
      "path" : "Tests/NetworkMonitorKitTests",
      "sources" : [
        "NetworkMonitorKitTests.swift"
      ],
      "target_dependencies" : [
        "NetworkMonitorKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetworkMonitorKit",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorKit",
      "path" : "Sources/NetworkMonitorKit",
      "product_memberships" : [
        "NetworkMonitorKit"
      ],
      "sources" : [
        "NetworkConnectionDetails.swift",
        "NetworkMonitorKit.swift",
        "NetworkMonitoringProtocol.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.