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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 DataFetcher with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/DataFetcher.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/elegantchaos/DataFetcher
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b1117cb added license
Cloned https://github.com/elegantchaos/DataFetcher.git
Revision (git rev-parse @):
b1117cb0d36021090bbc515d15aec16c1a268c6b
SUCCESS checkout https://github.com/elegantchaos/DataFetcher.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/elegantchaos/DataFetcher.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/18] Compiling Coercion UIntConvertible.swift
[5/19] Compiling Coercion IntConvertible.swift
[6/19] Compiling Coercion StandardConvertible.swift
[7/19] Compiling Coercion StringConvertible.swift
[8/19] Compiling Coercion String+Coercion.swift
[9/19] Compiling Coercion DateConvertible.swift
[10/19] Compiling Coercion DoubleConvertible.swift
[11/19] Compiling Coercion BoolConvertible.swift
[12/19] Compiling Coercion DataConvertible.swift
[13/19] Compiling Coercion BinaryInteger+Coercion.swift
[14/19] Compiling Coercion Bool+Coercion.swift
[15/19] Compiling Coercion Converter.swift
[16/19] Compiling Coercion Date+Coercion.swift
[17/19] Emitting module Coercion
[18/19] Compiling Coercion Dictionary+Coercion.swift
[19/19] Compiling Coercion Double+Coercion.swift
[20/23] Compiling DataFetcher MockDataFetcher.swift
/Users/admin/builder/spi-builder-workspace/Sources/DataFetcher/MockDataFetcher.swift:34:64: warning: converting non-sendable function value to '@Sendable @convention(block) () -> Void' may introduce data races
 32 |         public func cancel() { }
 33 |         public func resume() {
 34 |             DispatchQueue.global(qos: .default).async(execute: execute)
    |                                                                `- warning: converting non-sendable function value to '@Sendable @convention(block) () -> Void' may introduce data races
 35 |         }
 36 |
[21/23] Compiling DataFetcher JSONDictionary.swift
[22/23] Compiling DataFetcher DataFetcher.swift
/Users/admin/builder/spi-builder-workspace/Sources/DataFetcher/DataFetcher.swift:127:17: warning: capture of 'callback' with non-sendable type 'DataCallback' (aka '(Result<Data, any Error>, Optional<URLResponse>) -> ()') in a `@Sendable` closure; this is an error in the Swift 6 language mode
125 |         let task = dataTask(with: request) { data, response, error in
126 |             if let error = error {
127 |                 callback(.failure(error), response)
    |                 |- warning: capture of 'callback' with non-sendable type 'DataCallback' (aka '(Result<Data, any Error>, Optional<URLResponse>) -> ()') in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
128 |             } else if let data = data {
129 |                 callback(.success(data), response)
[23/23] Emitting module DataFetcher
Build complete! (24.77s)
Fetching https://github.com/elegantchaos/Coercion.git
Fetching https://github.com/elegantchaos/XCTestExtensions.git
[1/565] Fetching xctestextensions
[92/839] Fetching xctestextensions, coercion
Fetched https://github.com/elegantchaos/XCTestExtensions.git from cache (0.84s)
Fetched https://github.com/elegantchaos/Coercion.git from cache (0.84s)
Computing version for https://github.com/elegantchaos/XCTestExtensions.git
Computed https://github.com/elegantchaos/XCTestExtensions.git at 1.3.2 (0.68s)
Computing version for https://github.com/elegantchaos/Coercion.git
Computed https://github.com/elegantchaos/Coercion.git at 1.1.1 (0.71s)
Creating working copy for https://github.com/elegantchaos/Coercion.git
Working copy of https://github.com/elegantchaos/Coercion.git resolved at 1.1.1
Creating working copy for https://github.com/elegantchaos/XCTestExtensions.git
Working copy of https://github.com/elegantchaos/XCTestExtensions.git resolved at 1.3.2
Build complete.
{
  "dependencies" : [
    {
      "identity" : "coercion",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/Coercion.git"
    },
    {
      "identity" : "xctestextensions",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/XCTestExtensions.git"
    }
  ],
  "manifest_display_name" : "DataFetcher",
  "name" : "DataFetcher",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "DataFetcher",
      "targets" : [
        "DataFetcher"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DataFetcherTests",
      "module_type" : "SwiftTarget",
      "name" : "DataFetcherTests",
      "path" : "Tests/DataFetcherTests",
      "product_dependencies" : [
        "XCTestExtensions"
      ],
      "sources" : [
        "CodableTests.swift",
        "DataTests.swift",
        "JSONTests.swift",
        "StringTests.swift",
        "TestSupport.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "DataFetcher"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DataFetcher",
      "module_type" : "SwiftTarget",
      "name" : "DataFetcher",
      "path" : "Sources/DataFetcher",
      "product_dependencies" : [
        "Coercion"
      ],
      "product_memberships" : [
        "DataFetcher"
      ],
      "sources" : [
        "DataFetcher.swift",
        "JSONDictionary.swift",
        "MockDataFetcher.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.