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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 macOS (SPM).

Swift 6 data race errors: 3

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

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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/shial4/LogSwift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
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:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/shial4/LogSwift.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
[3/8] Compiling SLLog SLLogConsole.swift
[4/8] Compiling SLLog SLLog.swift
/Users/admin/builder/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'",
/Users/admin/builder/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",
/Users/admin/builder/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")
[5/8] Emitting module SLLog
/Users/admin/builder/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'",
/Users/admin/builder/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",
/Users/admin/builder/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 Log.swift
/Users/admin/builder/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")
[7/8] Compiling SLLog SLLogFile.swift
/Users/admin/builder/spi-builder-workspace/Sources/SLLog/SLLogFile.swift:61:36: 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
    :
 59 |     public func addEntry(level: SLLog.LogType, occurrence: Occurrence, message: Any) {
 60 |         queue.addOperation { [weak self] in
 61 |             guard let strongSelf = self else { return }
    |                                    `- warning: capture of 'self' with non-sendable type 'SLLogFile?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 62 |             guard let path = strongSelf.filePath else { return }
 63 |             do {
/Users/admin/builder/spi-builder-workspace/Sources/SLLog/SLLogFile.swift:64:64: warning: capture of 'message' with non-sendable type 'Any' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 62 |             guard let path = strongSelf.filePath else { return }
 63 |             do {
 64 |                 let data = try strongSelf.buildObject(message: message, level: level, occurrence: occurrence)
    |                                                                `- warning: capture of 'message' with non-sendable type 'Any' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 65 |                 if FileManager.default.fileExists(atPath: path) {
 66 |                     strongSelf.appendEntry(data, path: path)
/Users/admin/builder/spi-builder-workspace/Sources/SLLog/SLLogFile.swift:64:80: warning: capture of 'level' with non-sendable type 'SLLog.LogType' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 62 |             guard let path = strongSelf.filePath else { return }
 63 |             do {
 64 |                 let data = try strongSelf.buildObject(message: message, level: level, occurrence: occurrence)
    |                                                                                `- warning: capture of 'level' with non-sendable type 'SLLog.LogType' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 65 |                 if FileManager.default.fileExists(atPath: path) {
 66 |                     strongSelf.appendEntry(data, path: path)
/Users/admin/builder/spi-builder-workspace/Sources/SLLog/SLLog.swift:54:10: note: consider making enum 'LogType' conform to the 'Sendable' protocol
52 |
53 | public extension SLLog {
54 |     enum LogType: Int, CustomStringConvertible {
   |          `- note: consider making enum 'LogType' conform to the 'Sendable' protocol
55 |         public var description: String {
56 |             switch self {
/Users/admin/builder/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 DateFormatterExtension.swift
Build complete! (18.15s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SLLog",
  "name" : "SLLog",
  "path" : "/Users/admin/builder/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.