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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 LazyContainers, reference 4.1.0 (360a35), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 11:19:07 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/RougeWare/Swift-Lazy-Containers.git
Reference: 4.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RougeWare/Swift-Lazy-Containers
 * tag               4.1.0      -> FETCH_HEAD
HEAD is now at 360a35c Merge pull request #37 from RougeWare/feature/Autoconformance
Cloned https://github.com/RougeWare/Swift-Lazy-Containers.git
Revision (git rev-parse @):
360a35c98992fc53739e884fb0c48e988710fa92
SUCCESS checkout https://github.com/RougeWare/Swift-Lazy-Containers.git at 4.1.0
========================================
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": "swift-lazy-containers",
      "name": "LazyContainers",
      "url": "https://github.com/RougeWare/Swift-Lazy-Containers.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Swift-Lazy-Containers",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/RougeWare/Swift-Lazy-Containers.git
[1/346] Fetching swift-lazy-containers
Fetched https://github.com/RougeWare/Swift-Lazy-Containers.git from cache (1.03s)
Creating working copy for https://github.com/RougeWare/Swift-Lazy-Containers.git
Working copy of https://github.com/RougeWare/Swift-Lazy-Containers.git resolved at 4.1.0 (360a35c)
warning: '.resolve-product-dependencies': dependency 'swift-lazy-containers' 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/RougeWare/Swift-Lazy-Containers.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...
[0/4] Write sources
[1/4] Write swift-version--7754E27361AE5C74.txt
[3/9] Compiling LazyContainers LazyContainers.swift
/Users/admin/builder/spi-builder-workspace/Sources/LazyContainers/LazyContainers.swift:408:30: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
345 | ///              semaphore was added to mitigate this, but again, it hasn't undergone rigorous real-world testing.
346 | @propertyWrapper
347 | public struct FunctionalLazy<Value>: LazyContainer {
    |                              `- note: 'Value' previously declared here
348 |
349 |     /// Privatizes the inner-workings of this functional lazy container
    :
406 |     /// The actual functionality of `FunctionalLazy`, separated so that the semantics work out better
407 |     @propertyWrapper
408 |     private final class Guts<Value> {
    |                              `- warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
409 |
410 |         /// The closure called every time a value is needed
[4/9] Compiling LazyContainers LazyContainer + Hashable.swift
[5/9] Emitting module LazyContainers
/Users/admin/builder/spi-builder-workspace/Sources/LazyContainers/LazyContainers.swift:408:30: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
345 | ///              semaphore was added to mitigate this, but again, it hasn't undergone rigorous real-world testing.
346 | @propertyWrapper
347 | public struct FunctionalLazy<Value>: LazyContainer {
    |                              `- note: 'Value' previously declared here
348 |
349 |     /// Privatizes the inner-workings of this functional lazy container
    :
406 |     /// The actual functionality of `FunctionalLazy`, separated so that the semantics work out better
407 |     @propertyWrapper
408 |     private final class Guts<Value> {
    |                              `- warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
409 |
410 |         /// The closure called every time a value is needed
[6/9] Compiling LazyContainers LazyContainer + Equatable.swift
[7/9] Compiling LazyContainers LazyContainer + Codable.swift
[7/9] Write Objects.LinkFileList
[8/9] Linking libLazyContainers_dynamic.dylib
Build complete! (7.52s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LazyContainers",
  "name" : "LazyContainers",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LazyContainers",
      "targets" : [
        "LazyContainers"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "LazyContainers_dynamic",
      "targets" : [
        "LazyContainers"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "LazyContainersTests",
      "module_type" : "SwiftTarget",
      "name" : "LazyContainersTests",
      "path" : "Tests/LazyContainersTests",
      "sources" : [
        "GitHubIssue20Tests.swift",
        "LazyContainer + Codable tests.swift",
        "LazyContainer + Equatable tests.swift",
        "LazyContainer + Hashable tests.swift",
        "LazyContainersTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "LazyContainers"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LazyContainers",
      "module_type" : "SwiftTarget",
      "name" : "LazyContainers",
      "path" : "Sources/LazyContainers",
      "product_memberships" : [
        "LazyContainers",
        "LazyContainers_dynamic"
      ],
      "sources" : [
        "LazyContainer + Codable.swift",
        "LazyContainer + Equatable.swift",
        "LazyContainer + Hashable.swift",
        "LazyContainers.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.