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Build Information

Successful build of NetworkMonitor, reference main (9ce226), with Swift 6.1 for macOS (SPM) on 25 Sep 2026 20:24:38 UTC.

Swift 6 data race errors: 3

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: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/0xWDG/NetworkMonitor.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/0xWDG/NetworkMonitor
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9ce2265 Fix Linux
Cloned https://github.com/0xWDG/NetworkMonitor.git
Revision (git rev-parse @):
9ce22651df24b554fff4df779449ac1049f8d61a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/0xWDG/NetworkMonitor.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/0xWDG/NetworkMonitor.git
https://github.com/0xWDG/NetworkMonitor.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NetworkMonitor",
  "name" : "NetworkMonitor",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "NetworkMonitor",
      "targets" : [
        "NetworkMonitor"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkMonitorTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorTests",
      "path" : "Tests/NetworkMonitorTests",
      "sources" : [
        "NetworkMonitorTests.swift"
      ],
      "target_dependencies" : [
        "NetworkMonitor"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetworkMonitor",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitor",
      "path" : "Sources/NetworkMonitor",
      "product_memberships" : [
        "NetworkMonitor"
      ],
      "sources" : [
        "NetworkMonitor.swift",
        "NetworkMonitorObserver.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
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
[3/5] Compiling NetworkMonitor NetworkMonitorObserver.swift
[4/5] Compiling NetworkMonitor NetworkMonitor.swift
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:63:24: warning: static property 'log' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |
 62 |     private static let stateLock = NSLock()
 63 |     private static var log = defaultLog
    |                        |- warning: static property 'log' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'log' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'log' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 |     private static var logOptions: LogOptions = .default
 65 |     private static var isRegistered = false
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:64:24: warning: static property 'logOptions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 62 |     private static let stateLock = NSLock()
 63 |     private static var log = defaultLog
 64 |     private static var logOptions: LogOptions = .default
    |                        |- warning: static property 'logOptions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'logOptions' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'logOptions' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 65 |     private static var isRegistered = false
 66 |
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:65:24: warning: static property 'isRegistered' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 |     private static var log = defaultLog
 64 |     private static var logOptions: LogOptions = .default
 65 |     private static var isRegistered = false
    |                        |- warning: static property 'isRegistered' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'isRegistered' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'isRegistered' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |
 67 |     /// Registers NetworkMonitor's URL protocol and logs network traffic.
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:145:23: warning: capture of 'self' with non-sendable type 'NetworkTrafficURLProtocol?' in a '@Sendable' closure
109 | }
110 |
111 | private class NetworkTrafficURLProtocol: URLProtocol {
    |               `- note: class 'NetworkTrafficURLProtocol' does not conform to the 'Sendable' protocol
112 |     private static let handledRequestKey = "nl.wesleydegroot.NetworkMonitor.handled"
113 |
    :
143 |
144 |         loadingTask = URLSession.shared.dataTask(with: request) { [weak self] data, response, error in
145 |             guard let self else {
    |                       `- warning: capture of 'self' with non-sendable type 'NetworkTrafficURLProtocol?' in a '@Sendable' closure
146 |                 return
147 |             }
[5/5] Emitting module NetworkMonitor
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:63:24: warning: static property 'log' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |
 62 |     private static let stateLock = NSLock()
 63 |     private static var log = defaultLog
    |                        |- warning: static property 'log' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'log' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'log' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 |     private static var logOptions: LogOptions = .default
 65 |     private static var isRegistered = false
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:64:24: warning: static property 'logOptions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 62 |     private static let stateLock = NSLock()
 63 |     private static var log = defaultLog
 64 |     private static var logOptions: LogOptions = .default
    |                        |- warning: static property 'logOptions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'logOptions' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'logOptions' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 65 |     private static var isRegistered = false
 66 |
/Users/admin/builder/spi-builder-workspace/Sources/NetworkMonitor/NetworkMonitor.swift:65:24: warning: static property 'isRegistered' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 |     private static var log = defaultLog
 64 |     private static var logOptions: LogOptions = .default
 65 |     private static var isRegistered = false
    |                        |- warning: static property 'isRegistered' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'isRegistered' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'isRegistered' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |
 67 |     /// Registers NetworkMonitor's URL protocol and logs network traffic.
Build complete! (4.63s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NetworkMonitor",
  "name" : "NetworkMonitor",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "NetworkMonitor",
      "targets" : [
        "NetworkMonitor"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkMonitorTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitorTests",
      "path" : "Tests/NetworkMonitorTests",
      "sources" : [
        "NetworkMonitorTests.swift"
      ],
      "target_dependencies" : [
        "NetworkMonitor"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetworkMonitor",
      "module_type" : "SwiftTarget",
      "name" : "NetworkMonitor",
      "path" : "Sources/NetworkMonitor",
      "product_memberships" : [
        "NetworkMonitor"
      ],
      "sources" : [
        "NetworkMonitor.swift",
        "NetworkMonitorObserver.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Done.