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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 HaskellSwift, reference master (908bff), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 06:44:54 UTC.

Swift 6 data race errors: 0

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/webcpu/HaskellSwift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/webcpu/HaskellSwift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 908bff3 Fix: compile error
Cloned https://github.com/webcpu/HaskellSwift.git
Revision (git rev-parse @):
908bff3c624af2fe4454daf3811e07df10302ba3
SUCCESS checkout https://github.com/webcpu/HaskellSwift.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": "haskellswift",
      "name": "HaskellSwift",
      "url": "https://github.com/webcpu/HaskellSwift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/HaskellSwift",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/webcpu/HaskellSwift.git
[1/1728] Fetching haskellswift
Fetched https://github.com/webcpu/HaskellSwift.git from cache (1.37s)
Creating working copy for https://github.com/webcpu/HaskellSwift.git
Working copy of https://github.com/webcpu/HaskellSwift.git resolved at master (908bff3)
warning: '.resolve-product-dependencies': dependency 'haskellswift' 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/webcpu/HaskellSwift.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
[3/19] Compiling HaskellSwift Network.HTTP.swift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Network/Network.HTTP.swift:30:13: warning: capture of 'result' with non-sendable type 'Response?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public struct Response {
   |               `- note: consider making struct 'Response' conform to the 'Sendable' protocol
12 |     public let data: Data?
13 |     public let response: URLResponse?
   :
28 |         let semaphore = DispatchSemaphore(value: 0)
29 |         dataTask(with: url) {
30 |             result = Response(data: $0, response: $1, error: $2 as NSError?)
   |             `- warning: capture of 'result' with non-sendable type 'Response?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
31 |             semaphore.signal()
32 |             }.resume()
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Network/Network.HTTP.swift:30:13: warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
28 |         let semaphore = DispatchSemaphore(value: 0)
29 |         dataTask(with: url) {
30 |             result = Response(data: $0, response: $1, error: $2 as NSError?)
   |             `- warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
31 |             semaphore.signal()
32 |             }.resume()
[4/20] Compiling HaskellSwift System.Directory.swift
[5/20] Compiling HaskellSwift GHC.Num.swift
[6/20] Compiling HaskellSwift Prelude.swift
[7/20] Compiling HaskellSwift Data.Maybe.swift
[8/20] Compiling HaskellSwift Data.Ord.swift
[9/20] Compiling HaskellSwift Data.Traversable.swift
[10/20] Compiling HaskellSwift Data.Tuple.swift
[11/20] Compiling HaskellSwift Control.Applicative.swift
[12/20] Compiling HaskellSwift Control.Monad.swift
[13/20] Compiling HaskellSwift Control.Parallel.Strategies.swift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Control/Control.Parallel.Strategies.swift:15:63: warning: converting non-sendable function value to '@Sendable (Int) -> Void' may introduce data races
13 |     var results = [U?](repeating: nil, count: len)
14 |     let process = { (i: Int) -> Void in results[i] = transform(xs[i]) }
15 |     DispatchQueue.concurrentPerform(iterations: len, execute: process)
   |                                                               `- warning: converting non-sendable function value to '@Sendable (Int) -> Void' may introduce data races
16 |     return map(fromJust, results)
17 | }
[14/20] Compiling HaskellSwift Data.Char.swift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Control/Control.Parallel.Strategies.swift:15:63: warning: converting non-sendable function value to '@Sendable (Int) -> Void' may introduce data races
13 |     var results = [U?](repeating: nil, count: len)
14 |     let process = { (i: Int) -> Void in results[i] = transform(xs[i]) }
15 |     DispatchQueue.concurrentPerform(iterations: len, execute: process)
   |                                                               `- warning: converting non-sendable function value to '@Sendable (Int) -> Void' may introduce data races
16 |     return map(fromJust, results)
17 | }
[15/20] Emitting module HaskellSwift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Data/Data.Either.swift:39:1: warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
37 | }
38 |
39 | extension String: Error {}
   | |- warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |
41 | //MARK: fromLeft :: Either a b -> a
[16/20] Compiling HaskellSwift Data.Either.swift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Data/Data.Either.swift:39:1: warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
37 | }
38 |
39 | extension String: Error {}
   | |- warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |
41 | //MARK: fromLeft :: Either a b -> a
[17/20] Compiling HaskellSwift Data.Function.swift
/Users/admin/builder/spi-builder-workspace/Sources/HaskellSwift/Data/Data.Either.swift:39:1: warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
37 | }
38 |
39 | extension String: Error {}
   | |- warning: extension declares a conformance of imported type 'String' to imported protocol 'Error'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |
41 | //MARK: fromLeft :: Either a b -> a
[18/20] Compiling HaskellSwift Data.Functor.swift
[19/20] Compiling HaskellSwift Data.List.swift
[20/20] Compiling HaskellSwift System.FilePath.Posix.swift
Build complete! (17.26s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HaskellSwift",
  "name" : "HaskellSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "HaskellSwift",
      "targets" : [
        "HaskellSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "HaskellSwift",
      "module_type" : "SwiftTarget",
      "name" : "HaskellSwift",
      "path" : "Sources/HaskellSwift",
      "product_memberships" : [
        "HaskellSwift"
      ],
      "sources" : [
        "Control/Control.Applicative.swift",
        "Control/Control.Monad.swift",
        "Control/Control.Parallel.Strategies.swift",
        "Data/Data.Char.swift",
        "Data/Data.Either.swift",
        "Data/Data.Function.swift",
        "Data/Data.Functor.swift",
        "Data/Data.List.swift",
        "Data/Data.Maybe.swift",
        "Data/Data.Ord.swift",
        "Data/Data.Traversable.swift",
        "Data/Data.Tuple.swift",
        "GHC/GHC.Num.swift",
        "Language/Prelude.swift",
        "Network/Network.HTTP.swift",
        "System/System.Directory.swift",
        "System/System.FilePath.Posix.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.