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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 RetryingOperation, reference main (c64f98), with Swift 6.1 for Linux on 27 Apr 2025 08:18:45 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/happn-app/RetryingOperation.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/happn-app/RetryingOperation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c64f989 Make the RetryHelper methods mutating
Cloned https://github.com/happn-app/RetryingOperation.git
Revision (git rev-parse @):
c64f98966916fc184f7575dd97e2eba9962a3d33
SUCCESS checkout https://github.com/happn-app/RetryingOperation.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/happn-app/RetryingOperation.git
https://github.com/happn-app/RetryingOperation.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "RetryingOperation",
  "name" : "RetryingOperation",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RetryingOperation",
      "targets" : [
        "RetryingOperation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RetryingOperationTests",
      "module_type" : "SwiftTarget",
      "name" : "RetryingOperationTests",
      "path" : "Tests/RetryingOperationTests",
      "sources" : [
        "Helpers/BasicAsynchronousRetryingOperation.swift",
        "Helpers/BasicSynchronousRetryableOperation.swift",
        "Helpers/BasicSynchronousRetryingOperation.swift",
        "Helpers/CustomRetrySynchronousRetryingOperation.swift",
        "RetryingOperationTests.swift"
      ],
      "target_dependencies" : [
        "RetryingOperation"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RetryingOperation",
      "module_type" : "SwiftTarget",
      "name" : "RetryingOperation",
      "path" : "Sources/RetryingOperation",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "RetryingOperation"
      ],
      "sources" : [
        "RetryHelper.swift",
        "RetryingOperation.swift",
        "RetryingOperationConfig.swift",
        "WrappedRetryingOperation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/apple/swift-log.git
[1/3836] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.36s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.87s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/8] Emitting module Logging
[5/8] Compiling Logging LogHandler.swift
[6/8] Compiling Logging MetadataProvider.swift
[7/8] Compiling Logging Locks.swift
[8/8] Compiling Logging Logging.swift
[10/14] Compiling RetryingOperation RetryingOperation.swift
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperation.swift:79:12: warning: class 'RetryingOperation' must restate inherited '@unchecked Sendable' conformance
 77 |  A solution is to use `RetryableOperationWrapper`.
 78 |  See the doc of this class for more information. */
 79 | open class RetryingOperation : Operation {
    |            `- warning: class 'RetryingOperation' must restate inherited '@unchecked Sendable' conformance
 80 |
 81 | 	public var numberOfRetries: Int? {
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperation.swift:202:52: warning: capture of 'helpers' with non-sendable type '[any RetryHelper]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
200 | 	 But if you call this method with `nil`, the base operation is retried *now*. */
201 | 	public final func retry(withHelpers helpers: [RetryHelper]?) {
202 | 		retryQueue.async{ self._unsafeRetry(withHelpers: helpers) }
    |                                                    `- warning: capture of 'helpers' with non-sendable type '[any RetryHelper]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
203 | 	}
204 |
/host/spi-builder-workspace/Sources/RetryingOperation/RetryHelper.swift:20:17: note: protocol 'RetryHelper' does not conform to the 'Sendable' protocol
18 |
19 |
20 | public protocol RetryHelper {
   |                 `- note: protocol 'RetryHelper' does not conform to the 'Sendable' protocol
21 |
22 | 	mutating func setup()
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperation.swift:264:48: warning: capture of 'retryHelpers' with non-sendable type '[any RetryHelper]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
262 | 			self.isBaseOperationRunning = false
263 |
264 | 			guard !self.isCancelled, let retryHelpers = retryHelpers else {
    |                                                `- warning: capture of 'retryHelpers' with non-sendable type '[any RetryHelper]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
265 | 				self.retryingState = .finished
266 | 				return
/host/spi-builder-workspace/Sources/RetryingOperation/RetryHelper.swift:20:17: note: protocol 'RetryHelper' does not conform to the 'Sendable' protocol
18 |
19 |
20 | public protocol RetryHelper {
   |                 `- note: protocol 'RetryHelper' does not conform to the 'Sendable' protocol
21 |
22 | 	mutating func setup()
[11/14] Compiling RetryingOperation WrappedRetryingOperation.swift
[12/14] Compiling RetryingOperation RetryingOperationConfig.swift
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperationConfig.swift:47:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
45 | 	public static var oslog: OSLog? = .default
46 | #endif
47 | 	public static var logger: Logging.Logger? = {
   |                    |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 | #if canImport(os)
49 | 		if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
[13/14] Compiling RetryingOperation RetryHelper.swift
[14/14] Emitting module RetryingOperation
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperation.swift:79:12: warning: class 'RetryingOperation' must restate inherited '@unchecked Sendable' conformance
 77 |  A solution is to use `RetryableOperationWrapper`.
 78 |  See the doc of this class for more information. */
 79 | open class RetryingOperation : Operation {
    |            `- warning: class 'RetryingOperation' must restate inherited '@unchecked Sendable' conformance
 80 |
 81 | 	public var numberOfRetries: Int? {
/host/spi-builder-workspace/Sources/RetryingOperation/RetryingOperationConfig.swift:47:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
45 | 	public static var oslog: OSLog? = .default
46 | #endif
47 | 	public static var logger: Logging.Logger? = {
   |                    |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 | #if canImport(os)
49 | 		if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
Build complete! (8.96s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "RetryingOperation",
  "name" : "RetryingOperation",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RetryingOperation",
      "targets" : [
        "RetryingOperation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RetryingOperationTests",
      "module_type" : "SwiftTarget",
      "name" : "RetryingOperationTests",
      "path" : "Tests/RetryingOperationTests",
      "sources" : [
        "Helpers/BasicAsynchronousRetryingOperation.swift",
        "Helpers/BasicSynchronousRetryableOperation.swift",
        "Helpers/BasicSynchronousRetryingOperation.swift",
        "Helpers/CustomRetrySynchronousRetryingOperation.swift",
        "RetryingOperationTests.swift"
      ],
      "target_dependencies" : [
        "RetryingOperation"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RetryingOperation",
      "module_type" : "SwiftTarget",
      "name" : "RetryingOperation",
      "path" : "Sources/RetryingOperation",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "RetryingOperation"
      ],
      "sources" : [
        "RetryHelper.swift",
        "RetryingOperation.swift",
        "RetryingOperationConfig.swift",
        "WrappedRetryingOperation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.