Swift Package IndexBuild Information
Successful build of AsyncExtensions, reference v4.4.0 (308847), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 23:44:14 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shareup/async-extensions.git
Reference: v4.4.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shareup/async-extensions
* tag v4.4.0 -> FETCH_HEAD
HEAD is now at 3088474 Add AnyAsyncSequence and tests (#26)
Cloned https://github.com/shareup/async-extensions.git
Revision (git rev-parse @):
3088474141debc75b78257a0db28adf734bcea0f
SUCCESS checkout https://github.com/shareup/async-extensions.git at v4.4.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/shareup/async-extensions.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[32 / 58]
[33 / 59] Synchronized
[43 / 97]
[48 / 97]
[51 / 97]
[52 / 97]
[56 / 97]
[58 / 97]
[61 / 97]
[64 / 97]
[66 / 97]
[67 / 97]
[78 / 98] AsyncExtensions
[86 / 107] AsyncExtensions
[87 / 107] AsyncExtensions
[96 / 108] AsyncExtensions
[99 / 108] AsyncTestExtensions
[112 / 143]
[119 / 143]
[121 / 143]
[124 / 143]
[127 / 143]
[130 / 143]
[131 / 143]
[134 / 143] AsyncTestExtensions
[140 / 143] AsyncTestExtensions
Build complete! (12.07 sec)
Fetching https://github.com/shareup/synchronized.git
[1/226] Fetching synchronized
Fetched https://github.com/shareup/synchronized.git (0.85s)
Computing version for https://github.com/shareup/synchronized.git
Computed https://github.com/shareup/synchronized.git at 4.0.2 (3.79s)
Creating working copy for https://github.com/shareup/synchronized.git
Working copy of https://github.com/shareup/synchronized.git resolved at 4.0.2
/Users/admin/builder/spi-builder-workspace/Sources/AsyncExtensions/AsyncOutputStream.swift:35:29: [1;33mwarning: [1;39mcapture of 'self' with non-Sendable type 'AsyncOutputStream' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m1 |[0;0m import Foundation
[0;36m2 |[0;0m
[0;36m3 |[0;0m public final class AsyncOutputStream {
[0;36m|[0;0m `- [1;39mnote: [1;39mclass 'AsyncOutputStream' does not conform to the 'Sendable' protocol[0;0m
[0;36m4 |[0;0m private var state: State
[0;36m5 |[0;0m
[0;36m:[0;0m
[0;36m33 |[0;0m var value = value
[0;36m34 |[0;0m let bytesWritten = try withUnsafeBytes(of: &value) { ptr in
[0;36m35 |[0;0m try self.state.write(
[0;36m|[0;0m `- [1;33mwarning: [1;39mcapture of 'self' with non-Sendable type 'AsyncOutputStream' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m36 |[0;0m ptr.baseAddress!.assumingMemoryBound(to: UInt8.self),
[0;36m37 |[0;0m length: size
/Users/admin/builder/spi-builder-workspace/Sources/AsyncExtensions/AsyncOutputStream.swift:63:33: [1;33mwarning: [1;39mcapture of 'self' with non-Sendable type 'AsyncOutputStream' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m1 |[0;0m import Foundation
[0;36m2 |[0;0m
[0;36m3 |[0;0m public final class AsyncOutputStream {
[0;36m|[0;0m `- [1;39mnote: [1;39mclass 'AsyncOutputStream' does not conform to the 'Sendable' protocol[0;0m
[0;36m4 |[0;0m private var state: State
[0;36m5 |[0;0m
[0;36m:[0;0m
[0;36m61 |[0;0m let bytesWritten = try data
[0;36m62 |[0;0m .withUnsafeBytes { (ptr: UnsafeRawBufferPointer) in
[0;36m63 |[0;0m try self.state.write(
[0;36m|[0;0m `- [1;33mwarning: [1;39mcapture of 'self' with non-Sendable type 'AsyncOutputStream' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m64 |[0;0m ptr.baseAddress!.assumingMemoryBound(to: UInt8.self),
[0;36m65 |[0;0m length: data.count
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/AsyncExtensions/AsyncThrowingFuture.swift:24:58: [1;33mwarning: [1;39m'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
[0;36m20 |[0;0m /// resolves, it will fail with `TimeoutError`.
[0;36m21 |[0;0m public init(timeout: TimeInterval) {
[0;36m22 |[0;0m Task {
[0;36m|[0;0m |- [1;39mnote: [1;39m'self' implicitly strongly captured here[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd 'self' as a capture list item to silence[0;0m
[0;36m23 |[0;0m await withThrowingTaskGroup(of: Void.self) { group in
[0;36m24 |[0;0m _ = group.addTaskUnlessCancelled { [weak self] in
[0;36m|[0;0m |- [1;33mwarning: [1;39m'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39mexplicitly assign the capture list item to silence[0;0m
[0;36m25 |[0;0m // TODO: Replace this with `Clock` when iOS 16 is minimum
[0;36m26 |[0;0m let timeoutNs = Double(NSEC_PER_SEC) * timeout
/Users/admin/builder/spi-builder-workspace/Sources/AsyncExtensions/AsyncThrowingFuture.swift:31:58: [1;33mwarning: [1;39m'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
[0;36m20 |[0;0m /// resolves, it will fail with `TimeoutError`.
[0;36m21 |[0;0m public init(timeout: TimeInterval) {
[0;36m22 |[0;0m Task {
[0;36m|[0;0m |- [1;39mnote: [1;39m'self' implicitly strongly captured here[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd 'self' as a capture list item to silence[0;0m
[0;36m23 |[0;0m await withThrowingTaskGroup(of: Void.self) { group in
[0;36m24 |[0;0m _ = group.addTaskUnlessCancelled { [weak self] in
[0;36m:[0;0m
[0;36m29 |[0;0m }
[0;36m30 |[0;0m
[0;36m31 |[0;0m _ = group.addTaskUnlessCancelled { [weak self] in
[0;36m|[0;0m |- [1;33mwarning: [1;39m'weak' ownership of capture 'self' differs from implicitly-captured strong reference in outer scope[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture\ImplicitStrongCapture]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39mexplicitly assign the capture list item to silence[0;0m
[0;36m32 |[0;0m _ = try await self?.value
[0;36m33 |[0;0m }
[#ImplicitStrongCapture]: <https://docs.swift.org/compiler/documentation/diagnostics/implicit-strong-capture>
Build complete.
{
"dependencies" : [
{
"identity" : "synchronized",
"requirement" : {
"range" : [
{
"lower_bound" : "4.0.0",
"upper_bound" : "5.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/shareup/synchronized.git"
}
],
"manifest_display_name" : "AsyncExtensions",
"name" : "AsyncExtensions",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "14.0"
},
{
"name" : "watchos",
"version" : "7.0"
}
],
"products" : [
{
"name" : "AsyncExtensions",
"targets" : [
"AsyncExtensions"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "AsyncTestExtensions",
"targets" : [
"AsyncTestExtensions"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AsyncTestExtensionsTests",
"module_type" : "SwiftTarget",
"name" : "AsyncTestExtensionsTests",
"path" : "Tests/AsyncTestExtensionsTests",
"sources" : [
"AssertionsTests.swift",
"XCTestCase+AsyncTestExtensionsTests.swift"
],
"target_dependencies" : [
"AsyncTestExtensions"
],
"type" : "test"
},
{
"c99name" : "AsyncTestExtensions",
"module_type" : "SwiftTarget",
"name" : "AsyncTestExtensions",
"path" : "Sources/AsyncTestExtensions",
"product_dependencies" : [
"Synchronized"
],
"product_memberships" : [
"AsyncTestExtensions"
],
"sources" : [
"Assertions.swift",
"XCTestCase+AsyncTestExtensions.swift"
],
"target_dependencies" : [
"AsyncExtensions"
],
"type" : "library"
},
{
"c99name" : "AsyncExtensionsTests",
"module_type" : "SwiftTarget",
"name" : "AsyncExtensionsTests",
"path" : "Tests/AsyncExtensionsTests",
"sources" : [
"AnyAsyncSequenceTests.swift",
"AsyncInputStreamTests.swift",
"AsyncOutputStreamTests.swift",
"AsyncThrowingFutureTests.swift",
"Publisher+AsyncExtensionsTests.swift",
"SequenceExtensionsTests.swift",
"TaskStoreTests.swift"
],
"target_dependencies" : [
"AsyncExtensions",
"AsyncTestExtensions"
],
"type" : "test"
},
{
"c99name" : "AsyncExtensions",
"module_type" : "SwiftTarget",
"name" : "AsyncExtensions",
"path" : "Sources/AsyncExtensions",
"product_dependencies" : [
"Synchronized"
],
"product_memberships" : [
"AsyncExtensions",
"AsyncTestExtensions"
],
"sources" : [
"AnyAsyncSequence.swift",
"AsyncInputStream.swift",
"AsyncOutputStream.swift",
"AsyncThrowingFuture.swift",
"Publisher+AsyncExtensions.swift",
"SequenceExtensions.swift",
"TaskStore.swift",
"TimeoutError.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.