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Build Information

Successful build of hummingbird-core, reference main (c815f5), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 15:27:37 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hummingbird-project/hummingbird-core.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hummingbird-project/hummingbird-core
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c815f5d Update README.md
Cloned https://github.com/hummingbird-project/hummingbird-core.git
Revision (git rev-parse @):
c815f5d6391ade70947acfc63e82f4b5722f719d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hummingbird-project/hummingbird-core.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/hummingbird-project/hummingbird-core.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Provisioning 3 / 59]
[Pre-planning 1 / 1310]
[Planning deferred tasks]
[Constructing 1357 / 3204]
[136 / 894] InternalCollectionsUtilities
[246 / 894] hummingbird-core_HummingbirdCoreTests
[247 / 894]
[263 / 900] _AtomicsShims
[271 / 929] CNIOWindows
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[1212 / 1248] HummingbirdCoreXCT
[1225 / 1248] HummingbirdCore
[1229 / 1250] HummingbirdCore
[1232 / 1250] HummingbirdCore-product
[1240 / 1258] HummingbirdTLS
[1256 / 1258] HummingbirdTLS
Build complete! (34.84 sec)
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/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:468:17: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
466 |     /// Run callback on event loop attached to NIOLoopBoundBox
467 |     @discardableResult func runOnLoop<NewValue>(_ callback: @escaping @Sendable (Value, EventLoop) -> EventLoopFuture<NewValue>) -> EventLoopFuture<NewValue> {
468 |         if self._eventLoop.inEventLoop {
    |                 |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                 `- note: use 'eventLoop' instead
469 |             return callback(self.value, self._eventLoop)
470 |         } else {
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:469:46: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
467 |     @discardableResult func runOnLoop<NewValue>(_ callback: @escaping @Sendable (Value, EventLoop) -> EventLoopFuture<NewValue>) -> EventLoopFuture<NewValue> {
468 |         if self._eventLoop.inEventLoop {
469 |             return callback(self.value, self._eventLoop)
    |                                              |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                                              `- note: use 'eventLoop' instead
470 |         } else {
471 |             return self._eventLoop.flatSubmit {
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:471:25: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
469 |             return callback(self.value, self._eventLoop)
470 |         } else {
471 |             return self._eventLoop.flatSubmit {
    |                         |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                         `- note: use 'eventLoop' instead
472 |                 callback(self.value, self._eventLoop)
473 |             }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:472:43: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
470 |         } else {
471 |             return self._eventLoop.flatSubmit {
472 |                 callback(self.value, self._eventLoop)
    |                                           |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                                           `- note: use 'eventLoop' instead
473 |             }
474 |         }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:479:17: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
477 |     /// Run callback on event loop attached to NIOLoopBoundBox
478 |     @discardableResult func runOnLoop<NewValue>(_ callback: @escaping @Sendable (Value, EventLoop) throws -> NewValue) -> EventLoopFuture<NewValue> {
479 |         if self._eventLoop.inEventLoop {
    |                 |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                 `- note: use 'eventLoop' instead
480 |             return _eventLoop.makeCompletedFuture { try callback(self.value, self._eventLoop) }
481 |         } else {
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:480:20: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
478 |     @discardableResult func runOnLoop<NewValue>(_ callback: @escaping @Sendable (Value, EventLoop) throws -> NewValue) -> EventLoopFuture<NewValue> {
479 |         if self._eventLoop.inEventLoop {
480 |             return _eventLoop.makeCompletedFuture { try callback(self.value, self._eventLoop) }
    |                    |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                    `- note: use 'eventLoop' instead
481 |         } else {
482 |             return self._eventLoop.submit {
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:480:83: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
478 |     @discardableResult func runOnLoop<NewValue>(_ callback: @escaping @Sendable (Value, EventLoop) throws -> NewValue) -> EventLoopFuture<NewValue> {
479 |         if self._eventLoop.inEventLoop {
480 |             return _eventLoop.makeCompletedFuture { try callback(self.value, self._eventLoop) }
    |                                                                                   |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                                                                                   `- note: use 'eventLoop' instead
481 |         } else {
482 |             return self._eventLoop.submit {
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:482:25: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
480 |             return _eventLoop.makeCompletedFuture { try callback(self.value, self._eventLoop) }
481 |         } else {
482 |             return self._eventLoop.submit {
    |                         |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                         `- note: use 'eventLoop' instead
483 |                 try callback(self.value, self._eventLoop)
484 |             }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Request/ByteBufferStreamer.swift:483:47: warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
481 |         } else {
482 |             return self._eventLoop.submit {
483 |                 try callback(self.value, self._eventLoop)
    |                                               |- warning: '_eventLoop' is deprecated: renamed to 'eventLoop' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
    |                                               `- note: use 'eventLoop' instead
484 |             }
485 |         }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdCore/Server/ChannelInitializer.swift:52:17: warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
50 |             serverUpgrade = (self.upgraders, { channel in
51 |                 // remove HTTP handlers after upgrade
52 |                 childHandlers.forEach {
   |                 `- warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
53 |                     _ = channel.pipeline.removeHandler($0)
54 |                 }
NIOCore.RemovableChannelHandler:1:17: note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
1 | public protocol RemovableChannelHandler : NIOCore.ChannelHandler {
  |                 `- note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
2 |     func removeHandler(context: NIOCore.ChannelHandlerContext, removalToken: NIOCore.ChannelHandlerContext.RemovalToken)
3 | }
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:38:58: warning: conformance of 'HTTP2FramePayloadToHTTP1ServerCodec' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
36 |         func configureHTTP2Pipeline() -> EventLoopFuture<Void> {
37 |             channel.configureHTTP2Pipeline(mode: .server) { streamChannel -> EventLoopFuture<Void> in
38 |                 return streamChannel.pipeline.addHandler(HTTP2FramePayloadToHTTP1ServerCodec()).flatMap { _ in
   |                                                          `- warning: conformance of 'HTTP2FramePayloadToHTTP1ServerCodec' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
39 |                     streamChannel.pipeline.addHandlers(childHandlers)
40 |                 }
NIOHTTP2.HTTP2FramePayloadToHTTP1ServerCodec:2:11: note: conformance of 'HTTP2FramePayloadToHTTP1ServerCodec' to 'Sendable' has been explicitly marked unavailable here
1 | @available(*, unavailable)
2 | extension HTTP2FramePayloadToHTTP1ServerCodec : Sendable {
  |           `- note: conformance of 'HTTP2FramePayloadToHTTP1ServerCodec' to 'Sendable' has been explicitly marked unavailable here
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:46:48: warning: conformance of 'IdleStateHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
44 |         }
45 |         if let idleReadTimeout {
46 |             return channel.pipeline.addHandler(IdleStateHandler(readTimeout: idleReadTimeout)).flatMap {
   |                                                `- warning: conformance of 'IdleStateHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
47 |                 configureHTTP2Pipeline()
48 |             }
NIOCore.IdleStateHandler:2:11: note: conformance of 'IdleStateHandler' to 'Sendable' has been explicitly marked unavailable here
1 | @available(*, unavailable)
2 | extension IdleStateHandler : Sendable {
  |           `- note: conformance of 'IdleStateHandler' to 'Sendable' has been explicitly marked unavailable here
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:39:56: warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
37 |             channel.configureHTTP2Pipeline(mode: .server) { streamChannel -> EventLoopFuture<Void> in
38 |                 return streamChannel.pipeline.addHandler(HTTP2FramePayloadToHTTP1ServerCodec()).flatMap { _ in
39 |                     streamChannel.pipeline.addHandlers(childHandlers)
   |                                                        `- warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
40 |                 }
41 |             }.flatMap { _ in
NIOCore.RemovableChannelHandler:1:17: note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
1 | public protocol RemovableChannelHandler : NIOCore.ChannelHandler {
  |                 `- note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
2 |     func removeHandler(context: NIOCore.ChannelHandlerContext, removalToken: NIOCore.ChannelHandlerContext.RemovalToken)
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:39:56: warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
37 |             channel.configureHTTP2Pipeline(mode: .server) { streamChannel -> EventLoopFuture<Void> in
38 |                 return streamChannel.pipeline.addHandler(HTTP2FramePayloadToHTTP1ServerCodec()).flatMap { _ in
39 |                     streamChannel.pipeline.addHandlers(childHandlers)
   |                                                        `- warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
40 |                 }
41 |             }.flatMap { _ in
NIOCore.RemovableChannelHandler:1:17: note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
1 | public protocol RemovableChannelHandler : NIOCore.ChannelHandler {
  |                 `- note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
2 |     func removeHandler(context: NIOCore.ChannelHandlerContext, removalToken: NIOCore.ChannelHandlerContext.RemovalToken)
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:70:72: warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
68 |         channel.configureHTTP2SecureUpgrade(
69 |             h2ChannelConfigurator: { channel in
70 |                 self.http2.initialize(channel: channel, childHandlers: childHandlers, configuration: configuration)
   |                                                                        `- warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
71 |             },
72 |             http1ChannelConfigurator: { channel in
NIOCore.RemovableChannelHandler:1:17: note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
1 | public protocol RemovableChannelHandler : NIOCore.ChannelHandler {
  |                 `- note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
2 |     func removeHandler(context: NIOCore.ChannelHandlerContext, removalToken: NIOCore.ChannelHandlerContext.RemovalToken)
3 | }
/Users/admin/builder/spi-builder-workspace/Sources/HummingbirdHTTP2/ChannelInitializer.swift:73:72: warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
71 |             },
72 |             http1ChannelConfigurator: { channel in
73 |                 self.http1.initialize(channel: channel, childHandlers: childHandlers, configuration: configuration)
   |                                                                        `- warning: capture of 'childHandlers' with non-Sendable type '[any RemovableChannelHandler]' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
74 |             }
75 |         )
NIOCore.RemovableChannelHandler:1:17: note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
1 | public protocol RemovableChannelHandler : NIOCore.ChannelHandler {
  |                 `- note: protocol 'RemovableChannelHandler' does not conform to the 'Sendable' protocol
2 |     func removeHandler(context: NIOCore.ChannelHandlerContext, removalToken: NIOCore.ChannelHandlerContext.RemovalToken)
3 | }
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
Build complete.
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Done.