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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 CallbackURLKit, reference master (5411bf), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 13:16:43 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/phimage/CallbackURLKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/phimage/CallbackURLKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5411bfc Update Xcode project
Cloned https://github.com/phimage/CallbackURLKit.git
Revision (git rev-parse @):
5411bfc17cd0787ac80c46f312c7235783ff9421
SUCCESS checkout https://github.com/phimage/CallbackURLKit.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "callbackurlkit",
      "name": "CallbackURLKit",
      "url": "https://github.com/phimage/CallbackURLKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CallbackURLKit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/phimage/CallbackURLKit.git
[1/505] Fetching callbackurlkit
Fetched https://github.com/phimage/CallbackURLKit.git from cache (0.85s)
Creating working copy for https://github.com/phimage/CallbackURLKit.git
Working copy of https://github.com/phimage/CallbackURLKit.git resolved at master (5411bfc)
warning: '.resolve-product-dependencies': dependency 'callbackurlkit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/phimage/CallbackURLKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/8] Compiling CallbackURLKit Request.swift
[4/8] Emitting module CallbackURLKit
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:35:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
 35 |     public static let shared = Manager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     /// List of action/action closure
[5/8] Compiling CallbackURLKit Extensions.swift
[6/8] Compiling CallbackURLKit CallbackURLKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:35:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
 35 |     public static let shared = Manager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     /// List of action/action closure
[7/8] Compiling CallbackURLKit Client.swift
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:35:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
 35 |     public static let shared = Manager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     /// List of action/action closure
[8/8] Compiling CallbackURLKit Manager.swift
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:35:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
 35 |     public static let shared = Manager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Manager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |
 37 |     /// List of action/action closure
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:130:25: warning: capture of 'self' with non-sendable type 'Manager' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
    :
128 |                 if let newURL = comp.url {
129 |                     callbackQueue.async {
130 |                         self.open(url: newURL)
    |                         `- warning: capture of 'self' with non-sendable type 'Manager' in a `@Sendable` closure; this is an error in the Swift 6 language mode
131 |                     }
132 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/Manager.swift:145:21: warning: capture of 'self' with non-sendable type 'Manager' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 30 |
 31 | /// A class to perform and receive actions.
 32 | open class Manager {
    |            `- note: class 'Manager' does not conform to the 'Sendable' protocol
 33 |
 34 |     /// Singletong shared instance
    :
143 |             if let newURL = comp.url {
144 |                 callbackQueue.async {
145 |                     self.open(url: newURL)
    |                     `- warning: capture of 'self' with non-sendable type 'Manager' in a `@Sendable` closure; this is an error in the Swift 6 language mode
146 |                 }
147 |             }
Build complete! (10.71s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CallbackURLKit",
  "name" : "CallbackURLKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "CallbackURLKit",
      "targets" : [
        "CallbackURLKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CallbackURLKit",
      "module_type" : "SwiftTarget",
      "name" : "CallbackURLKit",
      "path" : "Sources",
      "product_memberships" : [
        "CallbackURLKit"
      ],
      "sources" : [
        "CallbackURLKit.swift",
        "Client.swift",
        "Extensions.swift",
        "Manager.swift",
        "Request.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.