Swift Package IndexBuild Information
Successful build of FlowStacks, reference 0.10.12 (7b6438), with Swift 6.1 for macOS (SPM) on 11 Oct 2025 06:50:16 UTC.
Swift 6 data race errors: 2
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/johnpatrickmorgan/FlowStacks.git
Reference: 0.10.12
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/johnpatrickmorgan/FlowStacks
* tag 0.10.12 -> FETCH_HEAD
HEAD is now at 7b6438f Improves assertion message
Cloned https://github.com/johnpatrickmorgan/FlowStacks.git
Revision (git rev-parse @):
7b6438fef0d403c71aadf7ae41565bf4647e4af4
SUCCESS checkout https://github.com/johnpatrickmorgan/FlowStacks.git at 0.10.12
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/johnpatrickmorgan/FlowStacks.git
https://github.com/johnpatrickmorgan/FlowStacks.git
{
"dependencies" : [
],
"manifest_display_name" : "FlowStacks",
"name" : "FlowStacks",
"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" : "FlowStacks",
"targets" : [
"FlowStacks"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlowStacksTests",
"module_type" : "SwiftTarget",
"name" : "FlowStacksTests",
"path" : "Tests/FlowStacksTests",
"sources" : [
"CalculateStepsTests.swift",
"ConvenienceMethodsTests.swift"
],
"target_dependencies" : [
"FlowStacks"
],
"type" : "test"
},
{
"c99name" : "FlowStacks",
"module_type" : "SwiftTarget",
"name" : "FlowStacks",
"path" : "Sources/FlowStacks",
"product_memberships" : [
"FlowStacks"
],
"sources" : [
"ConditionalViewBuilder.swift",
"Convenience methods/Array+convenienceMethods.swift",
"Convenience methods/FlowNavigator+convenienceMethods.swift",
"Convenience methods/FlowPath+convenienceMethods.swift",
"DestinationBuilderHolder.swift",
"DestinationBuilderModifier.swift",
"DestinationBuilderView.swift",
"EmbedModifier.swift",
"EnvironmentValues+keys.swift",
"FlowLink.swift",
"FlowNavigator.swift",
"FlowPath+calculateSteps.swift",
"FlowPath.CodableRepresentation.swift",
"FlowPath.swift",
"FlowStack.swift",
"LocalDestinationBuilderModifier.swift",
"Node.swift",
"NonReactiveState.swift",
"Route.swift",
"RouteProtocol.swift",
"RouteStyle.swift",
"Router.swift",
"RoutesHolder.swift",
"ScreenModifier.swift",
"UnchangedViewModifier.swift",
"Unobserved.swift",
"View+UseNavigationStack.swift",
"View+cover.swift",
"View+flowDestination.swift",
"View+onFirstAppear.swift",
"View+push.swift",
"View+sheet.swift",
"View+show.swift"
],
"type" : "library"
}
],
"tools_version" : "5.10"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/33] Emitting module FlowStacks
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/Convenience methods/Array+convenienceMethods.swift:4:27: warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 | // TCACoordinators sets this to true.
4 | @_spi(Private) public var isWithinTCACoordinators = false
| |- warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'isWithinTCACoordinators' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'isWithinTCACoordinators' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 | private var rootIndex: Int { isWithinTCACoordinators ? 0 : -1 }
6 |
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; 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 requirement from protocol 'Equatable'; 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.wrappedValue == rhs.data.wrappedValue
18 | }
[4/36] Compiling FlowStacks Route.swift
[5/36] Compiling FlowStacks RouteProtocol.swift
[6/36] Compiling FlowStacks RouteStyle.swift
[7/36] Compiling FlowStacks View+push.swift
[8/36] Compiling FlowStacks View+sheet.swift
[9/36] Compiling FlowStacks View+show.swift
[10/36] Compiling FlowStacks View+cover.swift
[11/36] Compiling FlowStacks View+flowDestination.swift
[12/36] Compiling FlowStacks View+onFirstAppear.swift
[13/36] Compiling FlowStacks UnchangedViewModifier.swift
[14/36] Compiling FlowStacks Unobserved.swift
[15/36] Compiling FlowStacks View+UseNavigationStack.swift
[16/36] Compiling FlowStacks EnvironmentValues+keys.swift
[17/36] Compiling FlowStacks FlowLink.swift
[18/36] Compiling FlowStacks FlowNavigator.swift
[19/36] Compiling FlowStacks FlowPath+calculateSteps.swift
[20/36] Compiling FlowStacks ConditionalViewBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/Convenience methods/Array+convenienceMethods.swift:4:27: warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 | // TCACoordinators sets this to true.
4 | @_spi(Private) public var isWithinTCACoordinators = false
| |- warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'isWithinTCACoordinators' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'isWithinTCACoordinators' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 | private var rootIndex: Int { isWithinTCACoordinators ? 0 : -1 }
6 |
[21/36] Compiling FlowStacks Array+convenienceMethods.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/Convenience methods/Array+convenienceMethods.swift:4:27: warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 | // TCACoordinators sets this to true.
4 | @_spi(Private) public var isWithinTCACoordinators = false
| |- warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'isWithinTCACoordinators' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'isWithinTCACoordinators' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 | private var rootIndex: Int { isWithinTCACoordinators ? 0 : -1 }
6 |
[22/36] Compiling FlowStacks FlowNavigator+convenienceMethods.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/Convenience methods/Array+convenienceMethods.swift:4:27: warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 | // TCACoordinators sets this to true.
4 | @_spi(Private) public var isWithinTCACoordinators = false
| |- warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'isWithinTCACoordinators' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'isWithinTCACoordinators' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 | private var rootIndex: Int { isWithinTCACoordinators ? 0 : -1 }
6 |
[23/36] Compiling FlowStacks FlowPath+convenienceMethods.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/Convenience methods/Array+convenienceMethods.swift:4:27: warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 | // TCACoordinators sets this to true.
4 | @_spi(Private) public var isWithinTCACoordinators = false
| |- warning: var 'isWithinTCACoordinators' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'isWithinTCACoordinators' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'isWithinTCACoordinators' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 | private var rootIndex: Int { isWithinTCACoordinators ? 0 : -1 }
6 |
[24/36] Compiling FlowStacks FlowPath.CodableRepresentation.swift
[25/36] Compiling FlowStacks FlowPath.swift
[26/36] Compiling FlowStacks FlowStack.swift
[27/36] Compiling FlowStacks Router.swift
[28/36] Compiling FlowStacks RoutesHolder.swift
[29/36] Compiling FlowStacks ScreenModifier.swift
[30/36] Compiling FlowStacks DestinationBuilderHolder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; 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 requirement from protocol 'Equatable'; 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.wrappedValue == rhs.data.wrappedValue
18 | }
[31/36] Compiling FlowStacks DestinationBuilderModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; 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 requirement from protocol 'Equatable'; 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.wrappedValue == rhs.data.wrappedValue
18 | }
[32/36] Compiling FlowStacks DestinationBuilderView.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; 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 requirement from protocol 'Equatable'; 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.wrappedValue == rhs.data.wrappedValue
18 | }
[33/36] Compiling FlowStacks EmbedModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlowStacks/DestinationBuilderView.swift:16:15: warning: main actor-isolated operator function '==' cannot be used to satisfy nonisolated requirement from protocol 'Equatable'; 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 requirement from protocol 'Equatable'; 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.wrappedValue == rhs.data.wrappedValue
18 | }
[34/36] Compiling FlowStacks LocalDestinationBuilderModifier.swift
[35/36] Compiling FlowStacks Node.swift
[36/36] Compiling FlowStacks NonReactiveState.swift
Build complete! (10.09s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "FlowStacks",
"name" : "FlowStacks",
"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" : "FlowStacks",
"targets" : [
"FlowStacks"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlowStacksTests",
"module_type" : "SwiftTarget",
"name" : "FlowStacksTests",
"path" : "Tests/FlowStacksTests",
"sources" : [
"CalculateStepsTests.swift",
"ConvenienceMethodsTests.swift"
],
"target_dependencies" : [
"FlowStacks"
],
"type" : "test"
},
{
"c99name" : "FlowStacks",
"module_type" : "SwiftTarget",
"name" : "FlowStacks",
"path" : "Sources/FlowStacks",
"product_memberships" : [
"FlowStacks"
],
"sources" : [
"ConditionalViewBuilder.swift",
"Convenience methods/Array+convenienceMethods.swift",
"Convenience methods/FlowNavigator+convenienceMethods.swift",
"Convenience methods/FlowPath+convenienceMethods.swift",
"DestinationBuilderHolder.swift",
"DestinationBuilderModifier.swift",
"DestinationBuilderView.swift",
"EmbedModifier.swift",
"EnvironmentValues+keys.swift",
"FlowLink.swift",
"FlowNavigator.swift",
"FlowPath+calculateSteps.swift",
"FlowPath.CodableRepresentation.swift",
"FlowPath.swift",
"FlowStack.swift",
"LocalDestinationBuilderModifier.swift",
"Node.swift",
"NonReactiveState.swift",
"Route.swift",
"RouteProtocol.swift",
"RouteStyle.swift",
"Router.swift",
"RoutesHolder.swift",
"ScreenModifier.swift",
"UnchangedViewModifier.swift",
"Unobserved.swift",
"View+UseNavigationStack.swift",
"View+cover.swift",
"View+flowDestination.swift",
"View+onFirstAppear.swift",
"View+push.swift",
"View+sheet.swift",
"View+show.swift"
],
"type" : "library"
}
],
"tools_version" : "5.10"
}
Done.