The Swift Package Index logo.Swift Package Index

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 NavigationBackport, reference main (4f4c1b), with Swift 6.0 for macOS (SPM) on 6 Nov 2024 16:20:09 UTC.

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/johnpatrickmorgan/NavigationBackport.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/johnpatrickmorgan/NavigationBackport
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4f4c1b2 Refactors to allow ViewBuilder usage
Cloned https://github.com/johnpatrickmorgan/NavigationBackport.git
Revision (git rev-parse @):
4f4c1b201c6e92c9d5236d69f563d5f435d6f340
SUCCESS checkout https://github.com/johnpatrickmorgan/NavigationBackport.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "navigationbackport",
      "name": "NavigationBackport",
      "url": "https://github.com/johnpatrickmorgan/NavigationBackport.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/NavigationBackport",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/johnpatrickmorgan/NavigationBackport.git
[1/1329] Fetching navigationbackport
Fetched https://github.com/johnpatrickmorgan/NavigationBackport.git from cache (0.99s)
Creating working copy for https://github.com/johnpatrickmorgan/NavigationBackport.git
Working copy of https://github.com/johnpatrickmorgan/NavigationBackport.git resolved at main (4f4c1b2)
warning: '.resolve-product-dependencies': dependency 'navigationbackport' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/johnpatrickmorgan/NavigationBackport.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun 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--7754E27361AE5C74.txt
[3/31] Emitting module NavigationBackport
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
13 | }
14 |
15 | struct DataDependentView<Content: View>: View, Equatable {
   |                                                `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
16 |   static func ==(lhs: DataDependentView, rhs: DataDependentView) -> Bool {
   |               |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
   |               `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
17 |     return lhs.data == rhs.data
18 |   }
Swift.Equatable:2:17: note: '==' declared here
1 | public protocol Equatable {
2 |     static func == (lhs: Self, rhs: Self) -> Bool
  |                 `- note: '==' declared here
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/EnvironmentValues+navigationStack.swift:4:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | struct UseNavigationStackPolicyKey: EnvironmentKey {
 4 |   static let defaultValue = UseNavigationStackPolicy.whenAvailable
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: annotate 'defaultValue' 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
 5 | }
 6 |
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/UseNavigationStackPolicy.swift:3:13: note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
1 | import SwiftUI
2 |
3 | public enum UseNavigationStackPolicy {
  |             `- note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
4 |   case whenAvailable
5 |   case never
[4/34] Compiling NavigationBackport View+nbUseNavigationStack.swift
[5/34] Compiling NavigationBackport View+onFirstAppear.swift
[6/34] Compiling NavigationBackport apply.swift
[7/34] Compiling NavigationBackport NBNavigationPath+utilities.swift
[8/34] Compiling NavigationBackport NBNavigationPath.swift
[9/34] Compiling NavigationBackport NBNavigationStack.swift
[10/34] Compiling NavigationBackport Navigator.swift
[11/34] Compiling NavigationBackport Node.swift
[12/34] Compiling NavigationBackport NonReactiveState.swift
[13/34] Compiling NavigationBackport EnvironmentValues+navigationStack.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/EnvironmentValues+navigationStack.swift:4:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | struct UseNavigationStackPolicyKey: EnvironmentKey {
 4 |   static let defaultValue = UseNavigationStackPolicy.whenAvailable
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: annotate 'defaultValue' 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
 5 | }
 6 |
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/UseNavigationStackPolicy.swift:3:13: note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
1 | import SwiftUI
2 |
3 | public enum UseNavigationStackPolicy {
  |             `- note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
4 |   case whenAvailable
5 |   case never
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       `- warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 |     }
24 |   }
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderHolder.swift:5:7: note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 3 |
 4 | /// Keeps hold of the destination builder closures for a given type or local destination ID.
 5 | class DestinationBuilderHolder: ObservableObject {
   |       `- note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 6 |   static func identifier(for type: Any.Type) -> String {
 7 |     String(reflecting: type)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       |- warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
   |       `- note: task-isolated 'destinationBuilder' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
23 |     }
24 |   }
[14/34] Compiling NavigationBackport LocalDestinationBuilderModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/EnvironmentValues+navigationStack.swift:4:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | struct UseNavigationStackPolicyKey: EnvironmentKey {
 4 |   static let defaultValue = UseNavigationStackPolicy.whenAvailable
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: annotate 'defaultValue' 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
 5 | }
 6 |
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/UseNavigationStackPolicy.swift:3:13: note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
1 | import SwiftUI
2 |
3 | public enum UseNavigationStackPolicy {
  |             `- note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
4 |   case whenAvailable
5 |   case never
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       `- warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 |     }
24 |   }
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderHolder.swift:5:7: note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 3 |
 4 | /// Keeps hold of the destination builder closures for a given type or local destination ID.
 5 | class DestinationBuilderHolder: ObservableObject {
   |       `- note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 6 |   static func identifier(for type: Any.Type) -> String {
 7 |     String(reflecting: type)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       |- warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
   |       `- note: task-isolated 'destinationBuilder' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
23 |     }
24 |   }
[15/34] Compiling NavigationBackport NBNavigationLink.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/EnvironmentValues+navigationStack.swift:4:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | struct UseNavigationStackPolicyKey: EnvironmentKey {
 4 |   static let defaultValue = UseNavigationStackPolicy.whenAvailable
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'UseNavigationStackPolicy' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: annotate 'defaultValue' 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
 5 | }
 6 |
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/UseNavigationStackPolicy.swift:3:13: note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
1 | import SwiftUI
2 |
3 | public enum UseNavigationStackPolicy {
  |             `- note: consider making enum 'UseNavigationStackPolicy' conform to the 'Sendable' protocol
4 |   case whenAvailable
5 |   case never
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       `- warning: capture of 'destinationBuilder' with non-sendable type 'DestinationBuilderHolder?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 |     }
24 |   }
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderHolder.swift:5:7: note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 3 |
 4 | /// Keeps hold of the destination builder closures for a given type or local destination ID.
 5 | class DestinationBuilderHolder: ObservableObject {
   |       `- note: class 'DestinationBuilderHolder' does not conform to the 'Sendable' protocol
 6 |   static func identifier(for type: Any.Type) -> String {
 7 |     String(reflecting: type)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/LocalDestinationBuilderModifier.swift:22:7: warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
20 |     // the view tree. Dispatching async allows those re-renders to succeed before removing the local builder.
21 |     DispatchQueue.main.async { [destinationBuilder, id] in
22 |       destinationBuilder?.removeLocalBuilder(identifier: id)
   |       |- warning: sending 'destinationBuilder' risks causing data races; this is an error in the Swift 6 language mode
   |       `- note: task-isolated 'destinationBuilder' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
23 |     }
24 |   }
[16/34] Compiling NavigationBackport ObservableObject+withDelaysIfUnsupported.swift
[17/34] Compiling NavigationBackport Router.swift
[18/34] Compiling NavigationBackport Unobserved.swift
[19/34] Compiling NavigationBackport NavigationPathHolder.swift
[20/34] Compiling NavigationBackport Navigator+utilities.swift
[21/34] Compiling NavigationBackport Navigator+withDelaysIfUnsupported.swift
[22/34] Compiling NavigationBackport UseNavigationStackPolicy.swift
[23/34] Compiling NavigationBackport View+_navigationDestination.swift
[24/34] Compiling NavigationBackport View+nbNavigationDestination.swift
[25/34] Compiling NavigationBackport Array+utilities.swift
[26/34] Compiling NavigationBackport Binding+withDelaysIfUnsupported.swift
[27/34] Compiling NavigationBackport CodableRepresentation.swift
[28/34] Compiling NavigationBackport ConditionalViewBuilder.swift
[29/34] Compiling NavigationBackport DestinationBuilderHolder.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
13 | }
14 |
15 | struct DataDependentView<Content: View>: View, Equatable {
   |                                                `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
16 |   static func ==(lhs: DataDependentView, rhs: DataDependentView) -> Bool {
   |               |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
   |               `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
17 |     return lhs.data == rhs.data
18 |   }
Swift.Equatable:2:17: note: '==' declared here
1 | public protocol Equatable {
2 |     static func == (lhs: Self, rhs: Self) -> Bool
  |                 `- note: '==' declared here
3 | }
[30/34] Compiling NavigationBackport DestinationBuilderModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
13 | }
14 |
15 | struct DataDependentView<Content: View>: View, Equatable {
   |                                                `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
16 |   static func ==(lhs: DataDependentView, rhs: DataDependentView) -> Bool {
   |               |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
   |               `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
17 |     return lhs.data == rhs.data
18 |   }
Swift.Equatable:2:17: note: '==' declared here
1 | public protocol Equatable {
2 |     static func == (lhs: Self, rhs: Self) -> Bool
  |                 `- note: '==' declared here
3 | }
[31/34] Compiling NavigationBackport DestinationBuilderView.swift
/Users/admin/builder/spi-builder-workspace/Sources/NavigationBackport/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
13 | }
14 |
15 | struct DataDependentView<Content: View>: View, Equatable {
   |                                                `- note: add '@preconcurrency' to the 'Equatable' conformance to defer isolation checking to run time
16 |   static func ==(lhs: DataDependentView, rhs: DataDependentView) -> Bool {
   |               |- warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated protocol requirement; this is an error in the Swift 6 language mode
   |               `- note: add 'nonisolated' to '==' to make this operator function not isolated to the actor
17 |     return lhs.data == rhs.data
18 |   }
Swift.Equatable:2:17: note: '==' declared here
1 | public protocol Equatable {
2 |     static func == (lhs: Self, rhs: Self) -> Bool
  |                 `- note: '==' declared here
3 | }
[32/34] Compiling NavigationBackport NBScreen.swift
[33/34] Compiling NavigationBackport NavigationBackport.swift
[34/34] Compiling NavigationBackport NavigationLinkRowStyle.swift
Build complete! (31.19s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NavigationBackport",
  "name" : "NavigationBackport",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "NavigationBackport",
      "targets" : [
        "NavigationBackport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavigationBackportTests",
      "module_type" : "SwiftTarget",
      "name" : "NavigationBackportTests",
      "path" : "Tests/NavigationBackportTests",
      "sources" : [
        "NavigationBackportTests.swift"
      ],
      "target_dependencies" : [
        "NavigationBackport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NavigationBackport",
      "module_type" : "SwiftTarget",
      "name" : "NavigationBackport",
      "path" : "Sources/NavigationBackport",
      "product_memberships" : [
        "NavigationBackport"
      ],
      "sources" : [
        "Array+utilities.swift",
        "Binding+withDelaysIfUnsupported.swift",
        "CodableRepresentation.swift",
        "ConditionalViewBuilder.swift",
        "DestinationBuilderHolder.swift",
        "DestinationBuilderModifier.swift",
        "DestinationBuilderView.swift",
        "EnvironmentValues+navigationStack.swift",
        "LocalDestinationBuilderModifier.swift",
        "NBNavigationLink.swift",
        "NBNavigationPath+utilities.swift",
        "NBNavigationPath.swift",
        "NBNavigationStack.swift",
        "NBScreen.swift",
        "NavigationBackport.swift",
        "NavigationLinkRowStyle.swift",
        "NavigationPathHolder.swift",
        "Navigator+utilities.swift",
        "Navigator+withDelaysIfUnsupported.swift",
        "Navigator.swift",
        "Node.swift",
        "NonReactiveState.swift",
        "ObservableObject+withDelaysIfUnsupported.swift",
        "Router.swift",
        "Unobserved.swift",
        "UseNavigationStackPolicy.swift",
        "View+_navigationDestination.swift",
        "View+nbNavigationDestination.swift",
        "View+nbUseNavigationStack.swift",
        "View+onFirstAppear.swift",
        "apply.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.