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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 NSAsyncCachedImage, reference main (e47711), with Swift 6.0 for macOS (SPM) on 29 Nov 2024 10:24:43 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 -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: 4.58.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nssina/NSAsyncCachedImage.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nssina/NSAsyncCachedImage
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e477115 Fix compile error on Xcode 14.3
Cloned https://github.com/nssina/NSAsyncCachedImage.git
Revision (git rev-parse @):
e477115efaac96019b3c897f10e6c6c279a27820
SUCCESS checkout https://github.com/nssina/NSAsyncCachedImage.git at main
========================================
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": "nsasynccachedimage",
      "name": "NSAsyncCachedImage",
      "url": "https://github.com/nssina/NSAsyncCachedImage.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/NSAsyncCachedImage",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/nssina/NSAsyncCachedImage.git
[1/134] Fetching nsasynccachedimage
Fetched https://github.com/nssina/NSAsyncCachedImage.git from cache (0.67s)
Creating working copy for https://github.com/nssina/NSAsyncCachedImage.git
Working copy of https://github.com/nssina/NSAsyncCachedImage.git resolved at main (e477115)
warning: '.resolve-product-dependencies': dependency 'nsasynccachedimage' 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/nssina/NSAsyncCachedImage.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NSAsyncCachedImage",
  "name" : "NSAsyncCachedImage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "NSAsyncCachedImage",
      "targets" : [
        "NSAsyncCachedImage"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NSAsyncCachedImageTests",
      "module_type" : "SwiftTarget",
      "name" : "NSAsyncCachedImageTests",
      "path" : "Tests/NSAsyncCachedImageTests",
      "sources" : [
        "NSAsyncCachedImageTests.swift"
      ],
      "target_dependencies" : [
        "NSAsyncCachedImage"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NSAsyncCachedImage",
      "module_type" : "SwiftTarget",
      "name" : "NSAsyncCachedImage",
      "path" : "Sources/NSAsyncCachedImage",
      "product_memberships" : [
        "NSAsyncCachedImage"
      ],
      "sources" : [
        "NSAsyncCachedImage.swift",
        "Networking/NSAsyncNetwork.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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 -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--7754E27361AE5C74.txt
[3/5] Compiling NSAsyncCachedImage NSAsyncNetwork.swift
/Users/admin/builder/spi-builder-workspace/Sources/NSAsyncCachedImage/Networking/NSAsyncNetwork.swift:21:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
19 |
20 |     init(url: String, cachePolicy: URLRequest.CachePolicy = .returnCacheDataElseLoad, timeout: TimeInterval = 60) {
21 |         Task { await getImage(url, cachePolicy: cachePolicy, timeout: timeout) }
   |              |       `- note: closure captures 'self' which is accessible to code in the current task
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
22 |     }
23 |
/Users/admin/builder/spi-builder-workspace/Sources/NSAsyncCachedImage/Networking/NSAsyncNetwork.swift:31:40: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
29 |
30 |         if let data = cache.cachedResponse(for: request)?.data {
31 |             DispatchQueue.main.async { self.data = data }
   |                                        |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |                                        `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
32 |         } else {
33 |             do {
/Users/admin/builder/spi-builder-workspace/Sources/NSAsyncCachedImage/Networking/NSAsyncNetwork.swift:38:44: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
36 |                 let cachedData = CachedURLResponse(response: response, data: data)
37 |                 cache.storeCachedResponse(cachedData, for: request)
38 |                 DispatchQueue.main.async { self.data = data }
   |                                            |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |                                            `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
39 |             } catch {
40 |                 print("Error:", error.localizedDescription)
[4/5] Emitting module NSAsyncCachedImage
[5/5] Compiling NSAsyncCachedImage NSAsyncCachedImage.swift
Build complete! (10.77s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NSAsyncCachedImage",
  "name" : "NSAsyncCachedImage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "NSAsyncCachedImage",
      "targets" : [
        "NSAsyncCachedImage"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NSAsyncCachedImageTests",
      "module_type" : "SwiftTarget",
      "name" : "NSAsyncCachedImageTests",
      "path" : "Tests/NSAsyncCachedImageTests",
      "sources" : [
        "NSAsyncCachedImageTests.swift"
      ],
      "target_dependencies" : [
        "NSAsyncCachedImage"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NSAsyncCachedImage",
      "module_type" : "SwiftTarget",
      "name" : "NSAsyncCachedImage",
      "path" : "Sources/NSAsyncCachedImage",
      "product_memberships" : [
        "NSAsyncCachedImage"
      ],
      "sources" : [
        "NSAsyncCachedImage.swift",
        "Networking/NSAsyncNetwork.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.