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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 ProgressReporter with Swift 6.0 (beta) for macOS (SPM).

Swift 6 data race errors: 1

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
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Builder version: 4.40.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Sam-Spencer/ProgressReporter.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Sam-Spencer/ProgressReporter
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 63b5508 Create FUNDING.yml
Cloned https://github.com/Sam-Spencer/ProgressReporter.git
Revision (git rev-parse @):
63b5508dfc67bc1e4892501d6d75dc45ca4d1446
SUCCESS checkout https://github.com/Sam-Spencer/ProgressReporter.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/Sam-Spencer/ProgressReporter.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
[3/4] Compiling ProgressReporter ProgressReporter.swift
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:105:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'ProgressCoordinator' may have shared mutable state; this is an error in the Swift 6 language mode
101 | ///
102 | @available(iOS 13.0, *)
103 | open class ProgressCoordinator: ProgressCensus {
    |            `- note: class 'ProgressCoordinator' does not conform to the 'Sendable' protocol
104 |
105 |     public static let shared = ProgressCoordinator()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'ProgressCoordinator' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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
106 |     public var watcher: ProgressWatcher?
107 |
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:192:17: warning: capture of 'self' with non-sendable type 'ProgressCoordinator' in a `@Sendable` closure; this is an error in the Swift 6 language mode
101 | ///
102 | @available(iOS 13.0, *)
103 | open class ProgressCoordinator: ProgressCensus {
    |            `- note: class 'ProgressCoordinator' does not conform to the 'Sendable' protocol
104 |
105 |     public static let shared = ProgressCoordinator()
    :
190 |         } else {
191 |             DispatchQueue.main.async {
192 |                 self.watcher?.hasProgressToReport(report: self.progress)
    |                 `- warning: capture of 'self' with non-sendable type 'ProgressCoordinator' in a `@Sendable` closure; this is an error in the Swift 6 language mode
193 |                 self.rawProgress = self.progress.progress
194 |             }
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:207:17: warning: capture of 'task' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
205 |         } else {
206 |             DispatchQueue.main.async {
207 |                 task()
    |                 |- warning: capture of 'task' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
208 |             }
209 |         }
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:192:17: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
190 |         } else {
191 |             DispatchQueue.main.async {
192 |                 self.watcher?.hasProgressToReport(report: self.progress)
    |                 |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
    |                 `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
193 |                 self.rawProgress = self.progress.progress
194 |             }
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:207:17: warning: sending 'task' risks causing data races; this is an error in the Swift 6 language mode
205 |         } else {
206 |             DispatchQueue.main.async {
207 |                 task()
    |                 |- warning: sending 'task' risks causing data races; this is an error in the Swift 6 language mode
    |                 `- note: task-isolated 'task' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
208 |             }
209 |         }
[4/4] Emitting module ProgressReporter
/Users/admin/builder/spi-builder-workspace/Sources/ProgressReporter/ProgressReporter.swift:105:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'ProgressCoordinator' may have shared mutable state; this is an error in the Swift 6 language mode
101 | ///
102 | @available(iOS 13.0, *)
103 | open class ProgressCoordinator: ProgressCensus {
    |            `- note: class 'ProgressCoordinator' does not conform to the 'Sendable' protocol
104 |
105 |     public static let shared = ProgressCoordinator()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'ProgressCoordinator' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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
106 |     public var watcher: ProgressWatcher?
107 |
Build complete! (16.54s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ProgressReporter",
  "name" : "ProgressReporter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ProgressReporter",
      "targets" : [
        "ProgressReporter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ProgressReporterTests",
      "module_type" : "SwiftTarget",
      "name" : "ProgressReporterTests",
      "path" : "Tests/ProgressReporterTests",
      "sources" : [
        "ProgressReporterTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ProgressReporter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ProgressReporter",
      "module_type" : "SwiftTarget",
      "name" : "ProgressReporter",
      "path" : "Sources/ProgressReporter",
      "product_memberships" : [
        "ProgressReporter"
      ],
      "sources" : [
        "ProgressReporter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.