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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 PathKit, reference 1.0.1 (3bfd27), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 21:48:54 UTC.

Swift 6 data race errors: 5

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/kylef/PathKit.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kylef/PathKit
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 3bfd273 release: 1.0.1
Cloned https://github.com/kylef/PathKit.git
Revision (git rev-parse @):
3bfd2737b700b9a36565a8c94f4ad2b050a5e574
SUCCESS checkout https://github.com/kylef/PathKit.git at 1.0.1
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.94s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (2.60s)
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
========================================
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": "pathkit",
      "name": "PathKit",
      "url": "https://github.com/kylef/PathKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PathKit",
      "dependencies": [
        {
          "identity": "spectre",
          "name": "Spectre",
          "url": "https://github.com/kylef/Spectre.git",
          "version": "0.10.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Spectre",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/kylef/PathKit.git
[1/1411] Fetching pathkit
Fetched https://github.com/kylef/PathKit.git from cache (0.88s)
Fetching https://github.com/kylef/Spectre.git from cache
Fetched https://github.com/kylef/Spectre.git from cache (0.47s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.03s)
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1 (3bfd273)
warning: '.resolve-product-dependencies': dependency 'pathkit' is not used by any target
Found 1 product dependencies
  - Spectre
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/kylef/PathKit.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
[3/4] Emitting module PathKit
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:10:5: warning: let 'system_glob' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<CChar>?, Int32, (@convention(c) (UnsafePointer<CChar>?, Int32) -> Int32)?, UnsafeMutablePointer<glob_t>?) -> Int32' (aka '(Optional<UnsafePointer<Int8>>, Int32, Optional<@convention(c) (Optional<UnsafePointer<Int8>>, Int32) -> Int32>, Optional<UnsafeMutablePointer<glob_t>>) -> Int32') may have shared mutable state; this is an error in the Swift 6 language mode
  8 | import Darwin
  9 |
 10 | let system_glob = Darwin.glob
    |     |- warning: let 'system_glob' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<CChar>?, Int32, (@convention(c) (UnsafePointer<CChar>?, Int32) -> Int32)?, UnsafeMutablePointer<glob_t>?) -> Int32' (aka '(Optional<UnsafePointer<Int8>>, Int32, Optional<@convention(c) (Optional<UnsafePointer<Int8>>, Int32) -> Int32>, Optional<UnsafeMutablePointer<glob_t>>) -> Int32') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'system_glob' 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
 11 | #endif
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:24:23: warning: static property 'fileManager' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 22 |   internal let path: String
 23 |
 24 |   internal static let fileManager = FileManager.default
    |                       |- warning: static property 'fileManager' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'fileManager' 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
 25 |
 26 |   internal let fileSystemInfo: FileSystemInfo
Foundation.FileManager:1:12: note: class 'FileManager' does not conform to the 'Sendable' protocol
  1 | open class FileManager : NSObject {
    |            `- note: class 'FileManager' does not conform to the 'Sendable' protocol
  2 |     open class var `default`: FileManager { get }
  3 |     @available(swift, obsoleted: 3, renamed: "default")
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:646:23: warning: static property 'skipsSubdirectoryDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
644 |     }
645 |
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
    |                       |- warning: static property 'skipsSubdirectoryDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsSubdirectoryDescendants' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsSubdirectoryDescendants' 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
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:647:23: warning: static property 'skipsPackageDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
    |                       |- warning: static property 'skipsPackageDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsPackageDescendants' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsPackageDescendants' 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
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
649 |   }
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:648:23: warning: static property 'skipsHiddenFiles' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
    |                       |- warning: static property 'skipsHiddenFiles' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsHiddenFiles' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsHiddenFiles' 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
649 |   }
650 |
[4/4] Compiling PathKit PathKit.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:10:5: warning: let 'system_glob' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<CChar>?, Int32, (@convention(c) (UnsafePointer<CChar>?, Int32) -> Int32)?, UnsafeMutablePointer<glob_t>?) -> Int32' (aka '(Optional<UnsafePointer<Int8>>, Int32, Optional<@convention(c) (Optional<UnsafePointer<Int8>>, Int32) -> Int32>, Optional<UnsafeMutablePointer<glob_t>>) -> Int32') may have shared mutable state; this is an error in the Swift 6 language mode
  8 | import Darwin
  9 |
 10 | let system_glob = Darwin.glob
    |     |- warning: let 'system_glob' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<CChar>?, Int32, (@convention(c) (UnsafePointer<CChar>?, Int32) -> Int32)?, UnsafeMutablePointer<glob_t>?) -> Int32' (aka '(Optional<UnsafePointer<Int8>>, Int32, Optional<@convention(c) (Optional<UnsafePointer<Int8>>, Int32) -> Int32>, Optional<UnsafeMutablePointer<glob_t>>) -> Int32') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'system_glob' 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
 11 | #endif
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:24:23: warning: static property 'fileManager' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 22 |   internal let path: String
 23 |
 24 |   internal static let fileManager = FileManager.default
    |                       |- warning: static property 'fileManager' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'fileManager' 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
 25 |
 26 |   internal let fileSystemInfo: FileSystemInfo
Foundation.FileManager:1:12: note: class 'FileManager' does not conform to the 'Sendable' protocol
  1 | open class FileManager : NSObject {
    |            `- note: class 'FileManager' does not conform to the 'Sendable' protocol
  2 |     open class var `default`: FileManager { get }
  3 |     @available(swift, obsoleted: 3, renamed: "default")
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:646:23: warning: static property 'skipsSubdirectoryDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
644 |     }
645 |
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
    |                       |- warning: static property 'skipsSubdirectoryDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsSubdirectoryDescendants' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsSubdirectoryDescendants' 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
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:647:23: warning: static property 'skipsPackageDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
    |                       |- warning: static property 'skipsPackageDescendants' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsPackageDescendants' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsPackageDescendants' 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
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
649 |   }
/Users/admin/builder/spi-builder-workspace/Sources/PathKit.swift:648:23: warning: static property 'skipsHiddenFiles' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
646 |     public static var skipsSubdirectoryDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsSubdirectoryDescendants.rawValue)
647 |     public static var skipsPackageDescendants = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsPackageDescendants.rawValue)
648 |     public static var skipsHiddenFiles = DirectoryEnumerationOptions(rawValue: FileManager.DirectoryEnumerationOptions.skipsHiddenFiles.rawValue)
    |                       |- warning: static property 'skipsHiddenFiles' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'skipsHiddenFiles' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'skipsHiddenFiles' 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
649 |   }
650 |
Build complete! (7.24s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "spectre",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.10.0",
            "upper_bound" : "0.11.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Spectre.git"
    }
  ],
  "manifest_display_name" : "PathKit",
  "name" : "PathKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PathKit",
      "targets" : [
        "PathKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PathKitTests",
      "module_type" : "SwiftTarget",
      "name" : "PathKitTests",
      "path" : "Tests/PathKitTests",
      "product_dependencies" : [
        "Spectre"
      ],
      "sources" : [
        "PathKitSpec.swift",
        "XCTest.swift"
      ],
      "target_dependencies" : [
        "PathKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PathKit",
      "module_type" : "SwiftTarget",
      "name" : "PathKit",
      "path" : "Sources",
      "product_memberships" : [
        "PathKit"
      ],
      "sources" : [
        "PathKit.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.