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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 SLLog with Swift 6.0 for Linux.

Swift 6 data race errors: 3

Build Command

bash -c docker run --rm -v "checkouts-4606859-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shial4/LogSwift.git
Reference: master
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/shial4/LogSwift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d8cded7 Update scheme
Cloned https://github.com/shial4/LogSwift.git
Revision (git rev-parse @):
d8cded7fa03270655bee79304cdabb4a341027f9
SUCCESS checkout https://github.com/shial4/LogSwift.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/shial4/LogSwift.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/8] Emitting module SLLog
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:25:36: warning: static property 'providers' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
23 |
24 | public class SLLog {
25 |     public private(set) static var providers: [LogProvider] = []
   |                                    |- warning: static property 'providers' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'providers' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'providers' 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 |     public private(set) static var targets: [LogHandler] = []
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:26:36: warning: static property 'targets' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
24 | public class SLLog {
25 |     public private(set) static var providers: [LogProvider] = []
26 |     public private(set) static var targets: [LogHandler] = []
   |                                    |- warning: static property 'targets' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'targets' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'targets' 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
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
28 |                                                                              timeZone: "UTC",
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:27:36: warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
25 |     public private(set) static var providers: [LogProvider] = []
26 |     public private(set) static var targets: [LogHandler] = []
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
   |                                    |- warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'dateFormat' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'dateFormat' 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 |                                                                              timeZone: "UTC",
29 |                                                                              locale: "en_US_POSIX")
[4/8] Compiling SLLog DateFormatterExtension.swift
[5/8] Compiling SLLog SLLog.swift
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:25:36: warning: static property 'providers' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
23 |
24 | public class SLLog {
25 |     public private(set) static var providers: [LogProvider] = []
   |                                    |- warning: static property 'providers' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'providers' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'providers' 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 |     public private(set) static var targets: [LogHandler] = []
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:26:36: warning: static property 'targets' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
24 | public class SLLog {
25 |     public private(set) static var providers: [LogProvider] = []
26 |     public private(set) static var targets: [LogHandler] = []
   |                                    |- warning: static property 'targets' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'targets' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'targets' 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
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
28 |                                                                              timeZone: "UTC",
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:27:36: warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
25 |     public private(set) static var providers: [LogProvider] = []
26 |     public private(set) static var targets: [LogHandler] = []
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
   |                                    |- warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'dateFormat' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'dateFormat' 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 |                                                                              timeZone: "UTC",
29 |                                                                              locale: "en_US_POSIX")
[6/8] Compiling SLLog SLLogConsole.swift
[7/8] Compiling SLLog SLLogFile.swift
/host/spi-builder-workspace/Sources/SLLog/SLLogFile.swift:121:35: warning: capture of 'self' with non-sendable type 'SLLogFile' in a `@Sendable` closure; this is an error in the Swift 6 language mode
  9 | import Dispatch
 10 |
 11 | public class SLLogFile {
    |              `- note: class 'SLLogFile' does not conform to the 'Sendable' protocol
 12 |     struct LogObject: Codable {
 13 |         let d: String
    :
119 |     private func removeFile(_ files: [String]) {
120 |         DispatchQueue.global().async {
121 |             files.forEach { [weak self] in
    |                                   `- warning: capture of 'self' with non-sendable type 'SLLogFile' in a `@Sendable` closure; this is an error in the Swift 6 language mode
122 |                 guard let path = self?.path else { return }
123 |                 let file: String = "\(path)/\($0)"
[8/8] Compiling SLLog Log.swift
/host/spi-builder-workspace/Sources/SLLog/SLLog.swift:27:36: warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
25 |     public private(set) static var providers: [LogProvider] = []
26 |     public private(set) static var targets: [LogHandler] = []
27 |     public private(set) static var dateFormat: DateFormatter = DateFormatter(dateFormat: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
   |                                    |- warning: static property 'dateFormat' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'dateFormat' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: annotate 'dateFormat' 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 |                                                                              timeZone: "UTC",
29 |                                                                              locale: "en_US_POSIX")
Build complete! (9.22s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SLLog",
  "name" : "SLLog",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SLLog",
      "targets" : [
        "SLLog"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SLLogTests",
      "module_type" : "SwiftTarget",
      "name" : "SLLogTests",
      "path" : "Tests/SLLogTests",
      "sources" : [
        "SLLogConsoleTests.swift",
        "SLLogFileTests.swift",
        "SLLogTests.swift"
      ],
      "target_dependencies" : [
        "SLLog"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SLLog",
      "module_type" : "SwiftTarget",
      "name" : "SLLog",
      "path" : "Sources/SLLog",
      "product_memberships" : [
        "SLLog"
      ],
      "sources" : [
        "Extensions/DateFormatterExtension.swift",
        "Log.swift",
        "SLLog.swift",
        "SLLogConsole.swift",
        "SLLogFile.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.