Swift Package IndexBuild Information
Successful build of AsyncCompatibilityKit, reference main (38333d), with Swift 6.1 for macOS (SPM) on 14 Mar 2026 07:33:19 UTC.
Swift 6 data race errors: 0
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
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RunAll
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Builder version: 4.69.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/KaiOelfke/AsyncCompatibilityKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/KaiOelfke/AsyncCompatibilityKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 38333d1 Add support for macOS
Cloned https://github.com/KaiOelfke/AsyncCompatibilityKit.git
Revision (git rev-parse @):
38333d1d1b9638df4d342c502d9c5a3369471135
SUCCESS checkout https://github.com/KaiOelfke/AsyncCompatibilityKit.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/KaiOelfke/AsyncCompatibilityKit.git
https://github.com/KaiOelfke/AsyncCompatibilityKit.git
{
"dependencies" : [
],
"manifest_display_name" : "AsyncCompatibilityKit",
"name" : "AsyncCompatibilityKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "AsyncCompatibilityKit",
"targets" : [
"AsyncCompatibilityKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AsyncCompatibilityKitTests",
"module_type" : "SwiftTarget",
"name" : "AsyncCompatibilityKitTests",
"path" : "Tests",
"sources" : [
"PublisherTests.swift",
"URLSessionTests.swift",
"ViewTests.swift"
],
"target_dependencies" : [
"AsyncCompatibilityKit"
],
"type" : "test"
},
{
"c99name" : "AsyncCompatibilityKit",
"module_type" : "SwiftTarget",
"name" : "AsyncCompatibilityKit",
"path" : "Sources",
"product_memberships" : [
"AsyncCompatibilityKit"
],
"sources" : [
"Publisher+Async.swift",
"URLSession+Async.swift",
"View+Async.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
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
[3/6] Compiling AsyncCompatibilityKit URLSession+Async.swift
/Users/admin/builder/spi-builder-workspace/Sources/URLSession+Async.swift:30:26: warning: 'withTaskCancellationHandler(handler:operation:)' is deprecated: renamed to 'withTaskCancellationHandler(operation:onCancel:)'
28 | let onCancel = { dataTask?.cancel() }
29 |
30 | return try await withTaskCancellationHandler(
| |- warning: 'withTaskCancellationHandler(handler:operation:)' is deprecated: renamed to 'withTaskCancellationHandler(operation:onCancel:)'
| `- note: use 'withTaskCancellationHandler(operation:onCancel:)' instead
31 | handler: {
32 | onCancel()
/Users/admin/builder/spi-builder-workspace/Sources/URLSession+Async.swift:32:17: warning: capture of 'onCancel' with non-sendable type '() -> Void?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
30 | return try await withTaskCancellationHandler(
31 | handler: {
32 | onCancel()
| |- warning: capture of 'onCancel' with non-sendable type '() -> Void?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
33 | },
34 | operation: {
[4/6] Compiling AsyncCompatibilityKit Publisher+Async.swift
/Users/admin/builder/spi-builder-workspace/Sources/Publisher+Async.swift:22:17: warning: capture of 'onTermination' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
20 |
21 | continuation.onTermination = { @Sendable _ in
22 | onTermination()
| |- warning: capture of 'onTermination' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
23 | }
24 |
/Users/admin/builder/spi-builder-workspace/Sources/Publisher+Async.swift:54:17: warning: capture of 'onTermination' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
52 |
53 | continuation.onTermination = { @Sendable _ in
54 | onTermination()
| |- warning: capture of 'onTermination' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
55 | }
56 |
/Users/admin/builder/spi-builder-workspace/Sources/Publisher+Async.swift:34:34: warning: sending 'value' risks causing data races; this is an error in the Swift 6 language mode
32 | }
33 | }, receiveValue: { value in
34 | continuation.yield(value)
| |- warning: sending 'value' risks causing data races; this is an error in the Swift 6 language mode
| `- note: task-isolated 'value' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
35 | }
36 | )
/Users/admin/builder/spi-builder-workspace/Sources/Publisher+Async.swift:61:34: warning: sending 'value' risks causing data races; this is an error in the Swift 6 language mode
59 | continuation.finish()
60 | }, receiveValue: { value in
61 | continuation.yield(value)
| |- warning: sending 'value' risks causing data races; this is an error in the Swift 6 language mode
| `- note: task-isolated 'value' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
62 | }
63 | )
[5/6] Compiling AsyncCompatibilityKit View+Async.swift
[6/6] Emitting module AsyncCompatibilityKit
Build complete! (7.39s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "AsyncCompatibilityKit",
"name" : "AsyncCompatibilityKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "AsyncCompatibilityKit",
"targets" : [
"AsyncCompatibilityKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AsyncCompatibilityKitTests",
"module_type" : "SwiftTarget",
"name" : "AsyncCompatibilityKitTests",
"path" : "Tests",
"sources" : [
"PublisherTests.swift",
"URLSessionTests.swift",
"ViewTests.swift"
],
"target_dependencies" : [
"AsyncCompatibilityKit"
],
"type" : "test"
},
{
"c99name" : "AsyncCompatibilityKit",
"module_type" : "SwiftTarget",
"name" : "AsyncCompatibilityKit",
"path" : "Sources",
"product_memberships" : [
"AsyncCompatibilityKit"
],
"sources" : [
"Publisher+Async.swift",
"URLSession+Async.swift",
"View+Async.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Done.