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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 WriteFreely with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 3

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/writefreely/writefreely-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/writefreely/writefreely-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4919bb1 Add collections-related test suite (#38)
Cloned https://github.com/writefreely/writefreely-swift.git
Revision (git rev-parse @):
4919bb1edcfceafe134fdac7e5c9d2e5b8a43cc8
SUCCESS checkout https://github.com/writefreely/writefreely-swift.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/writefreely/writefreely-swift.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...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/11] Compiling WriteFreely WFUser.swift
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFUser.swift:59:16: warning: static property 'testUser' is not concurrency-safe because non-'Sendable' type 'WFUser' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct WFUser {
   |               `- note: consider making struct 'WFUser' conform to the 'Sendable' protocol
 4 |     public var token: String
 5 |     public var username: String?
   :
57 |
58 | extension WFUser {
59 |     static let testUser = WFUser(token: "00000000-0000-0000-0000-000000000000",
   |                |- warning: static property 'testUser' is not concurrency-safe because non-'Sendable' type 'WFUser' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'testUser' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
60 |                                  username: "matt",
61 |                                  email: "matt@example.com",
[4/11] Compiling WriteFreely WFPost.swift
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFPost.swift:113:16: warning: static property 'testPost' is not concurrency-safe because non-'Sendable' type 'WFPost' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct WFPost {
    |               `- note: consider making struct 'WFPost' conform to the 'Sendable' protocol
  4 |     public var postId: String?
  5 |     public var slug: String?
    :
111 |
112 | extension WFPost {
113 |     static let testPost = WFPost(postId: nil,
    |                |- warning: static property 'testPost' is not concurrency-safe because non-'Sendable' type 'WFPost' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'testPost' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
114 |                                  slug: nil,
115 |                                  appearance: "norm",
[5/11] Compiling WriteFreely WFError.swift
[6/11] Compiling WriteFreely WFCollection.swift
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFCollection.swift:70:16: warning: static property 'testCollection' is not concurrency-safe because non-'Sendable' type 'WFCollection' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct WFCollection {
   |               `- note: consider making struct 'WFCollection' conform to the 'Sendable' protocol
 4 |     public var alias: String?
 5 |     public var title: String
   :
68 |
69 | extension WFCollection {
70 |     static let testCollection = WFCollection(alias: "new-blog",
   |                |- warning: static property 'testCollection' is not concurrency-safe because non-'Sendable' type 'WFCollection' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'testCollection' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
71 |                                              title: "Test Blog",
72 |                                              description: "",
[7/11] Compiling WriteFreely WFClient.swift
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFClient.swift:965:59: warning: passing non-sendable parameter 'completionHandler' to function expecting a @Sendable closure
961 |     public func dataTask(
962 |         with request: URLRequest,
963 |         completionHandler: @escaping DataTaskResult
    |         `- note: parameter 'completionHandler' is implicitly non-sendable
964 |     ) -> URLSessionDataTaskProtocol {
965 |         return dataTask(with: request, completionHandler: completionHandler) as URLSessionDataTask
    |                                                           `- warning: passing non-sendable parameter 'completionHandler' to function expecting a @Sendable closure
966 |     }
967 | }
[8/11] Compiling WriteFreely WFClient+Templates.swift
[9/11] Emitting module WriteFreely
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFCollection.swift:70:16: warning: static property 'testCollection' is not concurrency-safe because non-'Sendable' type 'WFCollection' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct WFCollection {
   |               `- note: consider making struct 'WFCollection' conform to the 'Sendable' protocol
 4 |     public var alias: String?
 5 |     public var title: String
   :
68 |
69 | extension WFCollection {
70 |     static let testCollection = WFCollection(alias: "new-blog",
   |                |- warning: static property 'testCollection' is not concurrency-safe because non-'Sendable' type 'WFCollection' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'testCollection' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
71 |                                              title: "Test Blog",
72 |                                              description: "",
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFPost.swift:113:16: warning: static property 'testPost' is not concurrency-safe because non-'Sendable' type 'WFPost' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct WFPost {
    |               `- note: consider making struct 'WFPost' conform to the 'Sendable' protocol
  4 |     public var postId: String?
  5 |     public var slug: String?
    :
111 |
112 | extension WFPost {
113 |     static let testPost = WFPost(postId: nil,
    |                |- warning: static property 'testPost' is not concurrency-safe because non-'Sendable' type 'WFPost' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'testPost' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
114 |                                  slug: nil,
115 |                                  appearance: "norm",
/Users/admin/builder/spi-builder-workspace/Sources/WriteFreely/WFUser.swift:59:16: warning: static property 'testUser' is not concurrency-safe because non-'Sendable' type 'WFUser' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct WFUser {
   |               `- note: consider making struct 'WFUser' conform to the 'Sendable' protocol
 4 |     public var token: String
 5 |     public var username: String?
   :
57 |
58 | extension WFUser {
59 |     static let testUser = WFUser(token: "00000000-0000-0000-0000-000000000000",
   |                |- warning: static property 'testUser' is not concurrency-safe because non-'Sendable' type 'WFUser' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'testUser' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
60 |                                  username: "matt",
61 |                                  email: "matt@example.com",
[10/11] Compiling WriteFreely JSONDecoder+Extension.swift
[11/11] Compiling WriteFreely HelperCodingKeys.swift
Build complete! (20.40s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "WriteFreely",
  "name" : "WriteFreely",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "WriteFreely",
      "targets" : [
        "WriteFreely"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WriteFreelyTests",
      "module_type" : "SwiftTarget",
      "name" : "WriteFreelyTests",
      "path" : "Tests/WriteFreelyTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/WriteFreelyTests/Resources/error_collection_400.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/WriteFreelyTests/Resources/test_collection.json",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/WriteFreelyTests/Resources/test_delete_collection.json",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "TestUtils.swift",
        "WriteFreelyClientCollectionTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "WriteFreely"
      ],
      "type" : "test"
    },
    {
      "c99name" : "WriteFreely",
      "module_type" : "SwiftTarget",
      "name" : "WriteFreely",
      "path" : "Sources/WriteFreely",
      "product_memberships" : [
        "WriteFreely"
      ],
      "sources" : [
        "Extensions/JSONDecoder+Extension.swift",
        "HelperCodingKeys.swift",
        "WFClient+Templates.swift",
        "WFClient.swift",
        "WFCollection.swift",
        "WFError.swift",
        "WFPost.swift",
        "WFUser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.