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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 swiftbar with Swift 6.0 for Linux.

Swift 6 data race errors: 4

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/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/theBreadCompany/swiftbar.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/theBreadCompany/swiftbar
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2c6f628 make it compile on Linux as well
Cloned https://github.com/theBreadCompany/swiftbar.git
Revision (git rev-parse @):
2c6f628c95557e633bc260324e017d848fdb6d8c
SUCCESS checkout https://github.com/theBreadCompany/swiftbar.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/theBreadCompany/swiftbar.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$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...
[0/7] Write sources
[2/7] Write swift-version-24593BA9C3E375BF.txt
[4/11] Compiling swiftbar Progressbar.swift
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:64:31: warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 62 |
 63 |             public typealias Creator = (Int, Configuration) -> String
 64 |             public static let simpleBar = Style("simpleBar", createdWith: { progress, config in
    |                               |- warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'simpleBar' 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
 65 |                 let counterContent = " [\(progress)/\(config.total)]"
 66 |                 let barWidth = config.maxWidth - (counterContent.count)
/host/spi-builder-workspace/Sources/swiftbar/Progressbar.swift:104:16: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
102 |     private func printProgress() {
103 |         print("\u{1B}[1A\u{1B}[K" + self.currentState())
104 |         fflush(stdout)
    |                `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
105 |     }
106 | }
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[5/11] Emitting module swiftbar
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:39:32: warning: static property 'implementations' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 37 |         public struct Style: Codable {
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    |                                |- warning: static property 'implementations' 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 'implementations' to a 'let' constant to make 'Sendable' shared state immutable
    |                                |- note: annotate 'implementations' 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
 40 |
 41 |             public init(_ name: String, createdWith creator: @escaping Creator) {
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:64:31: warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 62 |
 63 |             public typealias Creator = (Int, Configuration) -> String
 64 |             public static let simpleBar = Style("simpleBar", createdWith: { progress, config in
    |                               |- warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'simpleBar' 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
 65 |                 let counterContent = " [\(progress)/\(config.total)]"
 66 |                 let barWidth = config.maxWidth - (counterContent.count)
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:76:31: warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 74 |                 return barContent
 75 |             })
 76 |             public static let preciseBar = Style("preciseBar", createdWith: { progress, config in
    |                               |- warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'preciseBar' 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
 77 |                 let counterContent = " [\(progress)/\(config.total)]"
 78 |                 let percentCounter = "[\(Int(Float(progress) / Float(config.total) * 100))%] "
[6/11] Compiling swiftbar ProgressingCollection.swift
[7/11] Compiling swiftbar ProgressbarConfiguration.swift
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:39:32: warning: static property 'implementations' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 37 |         public struct Style: Codable {
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    |                                |- warning: static property 'implementations' 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 'implementations' to a 'let' constant to make 'Sendable' shared state immutable
    |                                |- note: annotate 'implementations' 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
 40 |
 41 |             public init(_ name: String, createdWith creator: @escaping Creator) {
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:64:31: warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 62 |
 63 |             public typealias Creator = (Int, Configuration) -> String
 64 |             public static let simpleBar = Style("simpleBar", createdWith: { progress, config in
    |                               |- warning: static property 'simpleBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'simpleBar' 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
 65 |                 let counterContent = " [\(progress)/\(config.total)]"
 66 |                 let barWidth = config.maxWidth - (counterContent.count)
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:76:31: warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 74 |                 return barContent
 75 |             })
 76 |             public static let preciseBar = Style("preciseBar", createdWith: { progress, config in
    |                               |- warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'preciseBar' 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
 77 |                 let counterContent = " [\(progress)/\(config.total)]"
 78 |                 let percentCounter = "[\(Int(Float(progress) / Float(config.total) * 100))%] "
[8/12] Wrapping AST for swiftbar for debugging
[10/14] Emitting module Example
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:76:31: warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 74 |                 return barContent
 75 |             })
 76 |             public static let preciseBar = Style("preciseBar", createdWith: { progress, config in
    |                               |- warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'preciseBar' 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
 77 |                 let counterContent = " [\(progress)/\(config.total)]"
 78 |                 let percentCounter = "[\(Int(Float(progress) / Float(config.total) * 100))%] "
[11/14] Compiling Example main.swift
/host/spi-builder-workspace/Sources/swiftbar/ProgressbarConfiguration.swift:76:31: warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |          which is basically a function receiving several parameters and returning the 'rendered' bar
 36 |          */
 37 |         public struct Style: Codable {
    |                       `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 38 |
 39 |             private static var implementations = Dictionary<String, Creator>()
    :
 74 |                 return barContent
 75 |             })
 76 |             public static let preciseBar = Style("preciseBar", createdWith: { progress, config in
    |                               |- warning: static property 'preciseBar' is not concurrency-safe because non-'Sendable' type 'Progressbar.Configuration.Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'preciseBar' 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
 77 |                 let counterContent = " [\(progress)/\(config.total)]"
 78 |                 let percentCounter = "[\(Int(Float(progress) / Float(config.total) * 100))%] "
[12/15] Wrapping AST for Example for debugging
[13/15] Write Objects.LinkFileList
[14/15] Linking Example
Build complete! (11.48s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swiftbar",
  "name" : "swiftbar",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "swiftbar",
      "targets" : [
        "swiftbar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Example",
      "targets" : [
        "Example"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swiftbarTests",
      "module_type" : "SwiftTarget",
      "name" : "swiftbarTests",
      "path" : "Tests/swiftbarTests",
      "sources" : [
        "swiftbarTests.swift"
      ],
      "target_dependencies" : [
        "swiftbar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "swiftbar",
      "module_type" : "SwiftTarget",
      "name" : "swiftbar",
      "path" : "Sources/swiftbar",
      "product_memberships" : [
        "swiftbar",
        "Example"
      ],
      "sources" : [
        "Progressbar.swift",
        "ProgressbarConfiguration.swift",
        "ProgressingCollection.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Example",
      "module_type" : "SwiftTarget",
      "name" : "Example",
      "path" : "Sources/Example",
      "product_memberships" : [
        "Example"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "swiftbar"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.