Swift Package IndexBuild Information
Successful build of Future 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=completeBuild Log
========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kean/Future.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kean/Future
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 98b12a2 Update project settings
Cloned https://github.com/kean/Future.git
Revision (git rev-parse @):
98b12a274f3fbaa08c4d5e44693ab15dd4648150
SUCCESS checkout https://github.com/kean/Future.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.0
Building package at path: $workDir
https://github.com/kean/Future.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
[3/7] Compiling Future FutureExtensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/FutureExtensions.swift:53:13: warning: capture of 'promise' with non-sendable type 'Future<(), Never>.Promise' in a `@Sendable` closure; this is an error in the Swift 6 language mode
51 | let promise = Promise()
52 | queue.asyncAfter(deadline: deadline) {
53 | promise.succeed(value: ()) // Never produces an error
| `- warning: capture of 'promise' with non-sendable type 'Future<(), Never>.Promise' in a `@Sendable` closure; this is an error in the Swift 6 language mode
54 | }
55 | return promise.future
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:202:24: note: class 'Promise' does not conform to the 'Sendable' protocol
200 |
201 | /// A promise to provide a result later.
202 | public final class Promise: CustomDebugStringConvertible {
| `- note: class 'Promise' does not conform to the 'Sendable' protocol
203 | private var memoizedResult: Result? // nil when pending
204 | private var inlinedHandler: ((Result) -> Void)?
[4/7] Compiling Future FutureOperators.swift
[5/7] Compiling Future Future.swift
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:292:23: warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
290 | /// behavior where callbacks attached via `on` method are always called on
291 | /// the main thread.
292 | public static var `default` = Scheduler.main
| |- warning: static property 'default' 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 'default' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'default' 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
293 |
294 | /// If the task finishes on the main thread, the callbacks are executed
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:297:23: warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
295 | /// immediately. Otherwise, they are dispatched to be executed
296 | /// asynchronously on the main thread.
297 | public static let main: ScheduleWork = { work in
| |- warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: annotate 'main' 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
298 | Thread.isMainThread ? work() : DispatchQueue.main.async(execute: work)
299 | }
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:298:74: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
295 | /// immediately. Otherwise, they are dispatched to be executed
296 | /// asynchronously on the main thread.
297 | public static let main: ScheduleWork = { work in
| `- note: parameter 'work' is implicitly non-sendable
298 | Thread.isMainThread ? work() : DispatchQueue.main.async(execute: work)
| `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
299 | }
300 |
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:302:23: warning: static property 'immediate' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
300 |
301 | /// Immediately executes the given closure.
302 | public static let immediate: ScheduleWork = { work in
| |- warning: static property 'immediate' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: annotate 'immediate' 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
303 | work()
304 | }
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:309:48: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
306 | /// Runs asynchronously on the given queue.
307 | public static func async(on queue: DispatchQueue, flags: DispatchWorkItemFlags = []) -> ScheduleWork {
308 | return { work in
| `- note: parameter 'work' is implicitly non-sendable
309 | queue.async(flags: flags, execute: work)
| `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
310 | }
311 | }
[6/7] Emitting module Future
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:292:23: warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
290 | /// behavior where callbacks attached via `on` method are always called on
291 | /// the main thread.
292 | public static var `default` = Scheduler.main
| |- warning: static property 'default' 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 'default' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'default' 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
293 |
294 | /// If the task finishes on the main thread, the callbacks are executed
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:297:23: warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
295 | /// immediately. Otherwise, they are dispatched to be executed
296 | /// asynchronously on the main thread.
297 | public static let main: ScheduleWork = { work in
| |- warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: annotate 'main' 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
298 | Thread.isMainThread ? work() : DispatchQueue.main.async(execute: work)
299 | }
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:298:74: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
295 | /// immediately. Otherwise, they are dispatched to be executed
296 | /// asynchronously on the main thread.
297 | public static let main: ScheduleWork = { work in
| `- note: parameter 'work' is implicitly non-sendable
298 | Thread.isMainThread ? work() : DispatchQueue.main.async(execute: work)
| `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
299 | }
300 |
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:302:23: warning: static property 'immediate' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
300 |
301 | /// Immediately executes the given closure.
302 | public static let immediate: ScheduleWork = { work in
| |- warning: static property 'immediate' is not concurrency-safe because non-'Sendable' type 'ScheduleWork' (aka '(@escaping () -> ()) -> ()') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: annotate 'immediate' 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
303 | work()
304 | }
[7/7] Compiling Future CancellationToken.swift
Build complete! (17.68s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Future",
"name" : "Future",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
},
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "11.0"
},
{
"name" : "watchos",
"version" : "4.0"
}
],
"products" : [
{
"name" : "Future",
"targets" : [
"Future"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FutureTests",
"module_type" : "SwiftTarget",
"name" : "FutureTests",
"path" : "Tests/FutureTests",
"sources" : [
"A+Tests.swift",
"CancellationTokenTests.swift",
"Extensions.swift",
"FutureExtensionsTests.swift",
"FutureTests.swift",
"StressTests.swift"
],
"target_dependencies" : [
"Future"
],
"type" : "test"
},
{
"c99name" : "Future",
"module_type" : "SwiftTarget",
"name" : "Future",
"path" : "Sources",
"product_memberships" : [
"Future"
],
"sources" : [
"CancellationToken.swift",
"Future.swift",
"FutureExtensions.swift",
"FutureOperators.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
Done.