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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 GPX, reference 1.1.0 (e89d1b), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 01:36:49 UTC.

Swift 6 data race errors: 4

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/isklikas/iOS-GPX-Framework.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/isklikas/iOS-GPX-Framework
 * tag               1.1.0      -> FETCH_HEAD
HEAD is now at e89d1b3 Async approach
Cloned https://github.com/isklikas/iOS-GPX-Framework.git
Revision (git rev-parse @):
e89d1b3691cf48fda80734aba7fb27709b95e4b4
SUCCESS checkout https://github.com/isklikas/iOS-GPX-Framework.git at 1.1.0
========================================
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": "ios-gpx-framework",
      "name": "GPX",
      "url": "https://github.com/isklikas/iOS-GPX-Framework.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/iOS-GPX-Framework",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/isklikas/iOS-GPX-Framework.git
[6/538] Fetching ios-gpx-framework
Fetched https://github.com/isklikas/iOS-GPX-Framework.git from cache (0.86s)
Creating working copy for https://github.com/isklikas/iOS-GPX-Framework.git
Working copy of https://github.com/isklikas/iOS-GPX-Framework.git resolved at 1.1.0 (e89d1b3)
warning: '.resolve-product-dependencies': dependency 'ios-gpx-framework' 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/isklikas/iOS-GPX-Framework.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
[3/27] Emitting module GPX
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPX-Extensions.swift:15:24: warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
13 | public extension DispatchQueue {
14 |
15 |     private static var _onceTracker = [String]()
   |                        |- warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert '_onceTracker' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: annotate '_onceTracker' 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
16 |
17 |     /**
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:23:16: warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 21 | class GPXType: NSObject {
 22 |     static let pred = NSUUID().uuidString
 23 |     static var dateFormatter_ssZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ssZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ssZ' 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
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:25:16: warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 23 |     static var dateFormatter_ssZ: DateFormatter?
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ss_SSSZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ss_SSSZ' 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
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:27:16: warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
    |                |- warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_sszzzz' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_sszzzz' 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
 28 |
 29 |
[4/29] Compiling GPX GPXAuthor.swift
[5/29] Compiling GPX GPXBounds.swift
[6/29] Compiling GPX GPXCopyright.swift
[7/29] Compiling GPX GPXType.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:23:16: warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 21 | class GPXType: NSObject {
 22 |     static let pred = NSUUID().uuidString
 23 |     static var dateFormatter_ssZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ssZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ssZ' 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
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:25:16: warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 23 |     static var dateFormatter_ssZ: DateFormatter?
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ss_SSSZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ss_SSSZ' 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
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:27:16: warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
    |                |- warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_sszzzz' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_sszzzz' 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
 28 |
 29 |
[8/29] Compiling GPX GPXXMLParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:23:16: warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 21 | class GPXType: NSObject {
 22 |     static let pred = NSUUID().uuidString
 23 |     static var dateFormatter_ssZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ssZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ssZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ssZ' 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
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:25:16: warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 23 |     static var dateFormatter_ssZ: DateFormatter?
 24 |     static let pred_ss_SSSZ = NSUUID().uuidString
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
    |                |- warning: static property 'dateFormatter_ss_SSSZ' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_ss_SSSZ' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_ss_SSSZ' 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
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXType.swift:27:16: warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 25 |     static var dateFormatter_ss_SSSZ: DateFormatter?
 26 |     static let pred_sszzzz = NSUUID().uuidString
 27 |     static var dateFormatter_sszzzz: DateFormatter?
    |                |- warning: static property 'dateFormatter_sszzzz' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'dateFormatter_sszzzz' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'dateFormatter_sszzzz' 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
 28 |
 29 |
[9/29] Compiling GPX GPXLogger.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXParser.swift:106:34: warning: sending 'parsedElement' risks causing data races; this is an error in the Swift 6 language mode
104 |                     continuation.resume(throwing: error);
105 |                 case .success(let parsedElement):
106 |                     continuation.resume(returning: parsedElement);
    |                                  |- warning: sending 'parsedElement' risks causing data races; this is an error in the Swift 6 language mode
    |                                  `- note: task-isolated 'parsedElement' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
107 |                 }
108 |             })
[10/29] Compiling GPX GPXParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPXParser.swift:106:34: warning: sending 'parsedElement' risks causing data races; this is an error in the Swift 6 language mode
104 |                     continuation.resume(throwing: error);
105 |                 case .success(let parsedElement):
106 |                     continuation.resume(returning: parsedElement);
    |                                  |- warning: sending 'parsedElement' risks causing data races; this is an error in the Swift 6 language mode
    |                                  `- note: task-isolated 'parsedElement' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
107 |                 }
108 |             })
[11/29] Compiling GPX GPXRoute.swift
[12/29] Compiling GPX GPXRoutePoint.swift
[13/29] Compiling GPX GPXTrack.swift
[14/29] Compiling GPX GPXWaypoint.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPX-Extensions.swift:15:24: warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
13 | public extension DispatchQueue {
14 |
15 |     private static var _onceTracker = [String]()
   |                        |- warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert '_onceTracker' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: annotate '_onceTracker' 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
16 |
17 |     /**
[15/29] Compiling GPX GPX-Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/GPX/GPX-Extensions.swift:15:24: warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
13 | public extension DispatchQueue {
14 |
15 |     private static var _onceTracker = [String]()
   |                        |- warning: static property '_onceTracker' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert '_onceTracker' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: annotate '_onceTracker' 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
16 |
17 |     /**
[16/29] Compiling GPX GPXTrailsTrackExtensions.swift
[17/29] Compiling GPX GPXTrailsTrackPointExtensions.swift
[18/29] Compiling GPX GPXLink.swift
[19/29] Compiling GPX GPXMetadata.swift
[20/29] Compiling GPX GPXPerson.swift
[21/29] Compiling GPX GPXElement.swift
[22/29] Compiling GPX GPXEmail.swift
[23/29] Compiling GPX GPXExtensions.swift
[24/29] Compiling GPX GPXTrackPoint.swift
[25/29] Compiling GPX GPXTrackPointExtensions.swift
[26/29] Compiling GPX GPXTrackSegment.swift
[27/29] Compiling GPX GPXPoint.swift
[28/29] Compiling GPX GPXPointSegment.swift
[29/29] Compiling GPX GPXRoot.swift
Build complete! (20.61s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "GPX",
  "name" : "GPX",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "GPX",
      "targets" : [
        "GPX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "GPXTests",
      "module_type" : "SwiftTarget",
      "name" : "GPXTests",
      "path" : "Tests/GPXTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/GPXTests/mystic_basin_trail.gpx",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/GPXTests/sample.gpx",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "GPXTests.swift"
      ],
      "target_dependencies" : [
        "GPX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "GPX",
      "module_type" : "SwiftTarget",
      "name" : "GPX",
      "path" : "Sources/GPX",
      "product_memberships" : [
        "GPX"
      ],
      "sources" : [
        "Element/GPXAuthor.swift",
        "Element/GPXBounds.swift",
        "Element/GPXCopyright.swift",
        "Element/GPXElement.swift",
        "Element/GPXEmail.swift",
        "Element/GPXExtensions.swift",
        "Element/GPXLink.swift",
        "Element/GPXMetadata.swift",
        "Element/GPXPerson.swift",
        "Element/GPXPoint.swift",
        "Element/GPXPointSegment.swift",
        "Element/GPXRoot.swift",
        "Element/GPXRoute.swift",
        "Element/GPXRoutePoint.swift",
        "Element/GPXTrack.swift",
        "Element/GPXTrackPoint.swift",
        "Element/GPXTrackPointExtensions.swift",
        "Element/GPXTrackSegment.swift",
        "Element/GPXTrailsTrackExtensions.swift",
        "Element/GPXTrailsTrackPointExtensions.swift",
        "Element/GPXWaypoint.swift",
        "GPX-Extensions.swift",
        "GPXLogger.swift",
        "GPXParser.swift",
        "GPXType.swift",
        "GPXXMLParser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.