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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 ReleaseRadar, reference master (322ff2), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 13:19:34 UTC.

Swift 6 data race errors: 0

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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/halcyonmobile/ReleaseRadar.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/halcyonmobile/ReleaseRadar
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 322ff2f Update README.md
Cloned https://github.com/halcyonmobile/ReleaseRadar.git
Revision (git rev-parse @):
322ff2fcbce74da3ac8e0decb008294b3ed1538a
SUCCESS checkout https://github.com/halcyonmobile/ReleaseRadar.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": "releaseradar",
      "name": "ReleaseRadar",
      "url": "https://github.com/halcyonmobile/ReleaseRadar.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ReleaseRadar",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/halcyonmobile/ReleaseRadar.git
[1/195] Fetching releaseradar
Fetched https://github.com/halcyonmobile/ReleaseRadar.git from cache (0.69s)
Creating working copy for https://github.com/halcyonmobile/ReleaseRadar.git
Working copy of https://github.com/halcyonmobile/ReleaseRadar.git resolved at master (322ff2f)
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/halcyonmobile/ReleaseRadar.git
https://github.com/halcyonmobile/ReleaseRadar.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReleaseRadar",
  "name" : "ReleaseRadar",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReleaseRadar",
      "targets" : [
        "ReleaseRadar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Example",
      "targets" : [
        "Example"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReleaseRadarTests",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadarTests",
      "path" : "Tests/ReleaseRadarTests",
      "sources" : [
        "CheckPolicyTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReleaseRadar",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadar",
      "path" : "Sources/ReleaseRadar",
      "product_memberships" : [
        "ReleaseRadar",
        "Example"
      ],
      "sources" : [
        "Config.swift",
        "Models/CheckingResult.swift",
        "Models/Result.swift",
        "ReleaseRadar.swift",
        "Utilities/Bundle+Version.swift",
        "Utilities/CheckPolicy.swift",
        "Utilities/Collection+Padded.swift",
        "iTunes Search/AppInfo.swift",
        "iTunes Search/ITunesChecker.swift",
        "iTunes Search/SearchResult.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Example",
      "module_type" : "SwiftTarget",
      "name" : "Example",
      "path" : "Sources/Example",
      "product_memberships" : [
        "Example"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.2"
}
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...
[0/7] Write sources
[1/7] Write Example-entitlement.plist
[1/7] Write sources
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/17] Compiling ReleaseRadar Collection+Padded.swift
[6/17] Compiling ReleaseRadar Bundle+Version.swift
[7/17] Compiling ReleaseRadar ITunesChecker.swift
/Users/admin/builder/spi-builder-workspace/Sources/ReleaseRadar/iTunes Search/ITunesChecker.swift:34:25: warning: capture of 'completion' with non-sendable type '(Result<AppInfo>) -> Void' in a '@Sendable' closure
32 |                     let result = try JSONDecoder().decode(SearchResult.self, from: data)
33 |                     if let appInfo = result.results.first {
34 |                         completion(.success(appInfo))
   |                         |- warning: capture of 'completion' with non-sendable type '(Result<AppInfo>) -> Void' in a '@Sendable' closure
   |                         `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
35 |                     } else {
36 |                         completion(.failure(CheckingError.noData))
[8/17] Compiling ReleaseRadar CheckPolicy.swift
[9/17] Compiling ReleaseRadar AppInfo.swift
[10/17] Compiling ReleaseRadar CheckingResult.swift
[11/17] Compiling ReleaseRadar Config.swift
[12/17] Compiling ReleaseRadar Result.swift
[13/17] Compiling ReleaseRadar ReleaseRadar.swift
[14/17] Emitting module ReleaseRadar
[15/18] Compiling ReleaseRadar SearchResult.swift
[16/20] Emitting module Example
/Users/admin/builder/spi-builder-workspace/Sources/Example/main.swift:16:1: warning: result of call to 'readLine(strippingNewline:)' is unused
14 | }
15 |
16 | readLine()
   | `- warning: result of call to 'readLine(strippingNewline:)' is unused
17 |
[17/20] Compiling Example main.swift
/Users/admin/builder/spi-builder-workspace/Sources/Example/main.swift:16:1: warning: result of call to 'readLine(strippingNewline:)' is unused
14 | }
15 |
16 | readLine()
   | `- warning: result of call to 'readLine(strippingNewline:)' is unused
17 |
[17/20] Write Objects.LinkFileList
[18/20] Linking Example
[19/20] Applying Example
Build complete! (5.38s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReleaseRadar",
  "name" : "ReleaseRadar",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReleaseRadar",
      "targets" : [
        "ReleaseRadar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Example",
      "targets" : [
        "Example"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReleaseRadarTests",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadarTests",
      "path" : "Tests/ReleaseRadarTests",
      "sources" : [
        "CheckPolicyTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReleaseRadar",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadar",
      "path" : "Sources/ReleaseRadar",
      "product_memberships" : [
        "ReleaseRadar",
        "Example"
      ],
      "sources" : [
        "Config.swift",
        "Models/CheckingResult.swift",
        "Models/Result.swift",
        "ReleaseRadar.swift",
        "Utilities/Bundle+Version.swift",
        "Utilities/CheckPolicy.swift",
        "Utilities/Collection+Padded.swift",
        "iTunes Search/AppInfo.swift",
        "iTunes Search/ITunesChecker.swift",
        "iTunes Search/SearchResult.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Example",
      "module_type" : "SwiftTarget",
      "name" : "Example",
      "path" : "Sources/Example",
      "product_memberships" : [
        "Example"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.2"
}
Done.