Swift Package IndexBuild Information
Successful build of MQTTKit, reference 0.1.0 (e33bd0), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 23:58:45 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
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/arnecs/mqttkit.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/arnecs/mqttkit
* tag 0.1.0 -> FETCH_HEAD
HEAD is now at e33bd0a Package.swift, and restructure of source files
Cloned https://github.com/arnecs/mqttkit.git
Revision (git rev-parse @):
e33bd0ac53d35c5033734eec459ea84162952308
SUCCESS checkout https://github.com/arnecs/mqttkit.git at 0.1.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "mqttkit",
"name": "MQTTKit",
"url": "https://github.com/arnecs/mqttkit.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/mqttkit",
"dependencies": [
]
}
]
}
Fetching https://github.com/arnecs/mqttkit.git
[1/260] Fetching mqttkit
Fetched https://github.com/arnecs/mqttkit.git from cache (0.65s)
Creating working copy for https://github.com/arnecs/mqttkit.git
Working copy of https://github.com/arnecs/mqttkit.git resolved at 0.1.0 (e33bd0a)
warning: '.resolve-product-dependencies': dependency 'mqttkit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/arnecs/mqttkit.git
https://github.com/arnecs/mqttkit.git
{
"dependencies" : [
],
"manifest_display_name" : "MQTTKit",
"name" : "MQTTKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "MQTTKit",
"targets" : [
"MQTTKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MQTTKitTests",
"module_type" : "SwiftTarget",
"name" : "MQTTKitTests",
"path" : "Tests",
"sources" : [
"MQTTKitTests.swift"
],
"target_dependencies" : [
"MQTTKit"
],
"type" : "test"
},
{
"c99name" : "MQTTKit",
"module_type" : "SwiftTarget",
"name" : "MQTTKit",
"path" : "Sources",
"product_memberships" : [
"MQTTKit"
],
"sources" : [
"Constants.swift",
"Extensions.swift",
"MQTTKit.swift",
"MQTTPacket.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
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
[3/7] Emitting module MQTTKit
/Users/admin/builder/spi-builder-workspace/Sources/Constants.swift:42:5: warning: 'public' modifier is redundant for operator function declared in a public extension
40 |
41 | public extension MQTTQoSLevel {
42 | public static func <(lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
| `- warning: 'public' modifier is redundant for operator function declared in a public extension
43 | return lhs.rawValue < rhs.rawValue
44 | }
[4/7] Compiling MQTTKit Extensions.swift
[5/7] Compiling MQTTKit MQTTKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:214:73: warning: converting non-sendable function value to '@MainActor @Sendable @convention(block) () -> Void' may introduce data races
212 | // Schedule next retry
213 | let time = DispatchTime.now() + Double(options.keepAliveInterval / 2)
214 | DispatchQueue.main.asyncAfter(deadline: time, execute: self.autoReconnect)
| `- warning: converting non-sendable function value to '@MainActor @Sendable @convention(block) () -> Void' may introduce data races
215 | }
216 | }
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:248:13: warning: capture of 'input' with non-sendable type 'InputStream' in a '@Sendable' closure
246 |
247 | DispatchQueue.global(qos: .userInitiated).async {
248 | input.open()
| `- warning: capture of 'input' with non-sendable type 'InputStream' in a '@Sendable' closure
249 | output.open()
250 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSStream.h:56:12: note: class 'InputStream' does not conform to the 'Sendable' protocol
54 | // NSInputStream is an abstract class representing the base functionality of a read stream.
55 | // Subclassers are required to implement these methods.
56 | @interface NSInputStream : NSStream
| `- note: class 'InputStream' does not conform to the 'Sendable' protocol
57 | - (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)len;
58 | // reads up to length bytes into the supplied buffer, which must be at least of size len. Returns the actual number of bytes read.
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:249:13: warning: capture of 'output' with non-sendable type 'OutputStream' in a '@Sendable' closure
247 | DispatchQueue.global(qos: .userInitiated).async {
248 | input.open()
249 | output.open()
| `- warning: capture of 'output' with non-sendable type 'OutputStream' in a '@Sendable' closure
250 |
251 | while input.streamStatus == .opening || output.streamStatus == .opening {
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSStream.h:73:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
71 | // NSOutputStream is an abstract class representing the base functionality of a write stream.
72 | // Subclassers are required to implement these methods.
73 | @interface NSOutputStream : NSStream
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
74 | - (NSInteger)write:(const uint8_t *)buffer maxLength:(NSUInteger)len;
75 | // writes the bytes from the specified buffer to the stream up to len bytes. Returns the number of bytes actually written.
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:256:17: warning: capture of 'completion' with non-sendable type '((input: InputStream, output: OutputStream)?) -> ()' in a '@Sendable' closure
254 |
255 | if input.streamStatus != .open || output.streamStatus != .open {
256 | completion(nil)
| |- warning: capture of 'completion' with non-sendable type '((input: InputStream, output: OutputStream)?) -> ()' in a '@Sendable' closure
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
257 | return
258 | }
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:251:53: warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
249 | output.open()
250 |
251 | while input.streamStatus == .opening || output.streamStatus == .opening {
| `- warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
252 | usleep(1000)
253 | }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSStream.h:73:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
71 | // NSOutputStream is an abstract class representing the base functionality of a write stream.
72 | // Subclassers are required to implement these methods.
73 | @interface NSOutputStream : NSStream
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
74 | - (NSInteger)write:(const uint8_t *)buffer maxLength:(NSUInteger)len;
75 | // writes the bytes from the specified buffer to the stream up to len bytes. Returns the number of bytes actually written.
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:255:47: warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
253 | }
254 |
255 | if input.streamStatus != .open || output.streamStatus != .open {
| `- warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
256 | completion(nil)
257 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSStream.h:73:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
71 | // NSOutputStream is an abstract class representing the base functionality of a write stream.
72 | // Subclassers are required to implement these methods.
73 | @interface NSOutputStream : NSStream
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
74 | - (NSInteger)write:(const uint8_t *)buffer maxLength:(NSUInteger)len;
75 | // writes the bytes from the specified buffer to the stream up to len bytes. Returns the number of bytes actually written.
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:294:27: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
292 | defer {
293 | messageBuffer.deinitialize(count: options.bufferSize)
294 | messageBuffer.deallocate(capacity: options.bufferSize)
| `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
295 | }
296 |
/Users/admin/builder/spi-builder-workspace/Sources/MQTTKit.swift:187:36: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
185 | DispatchQueue.main.asyncAfter(deadline: time) { [weak self] in
186 |
187 | guard let strongSelf = self, strongSelf.outputStream?.streamStatus == .open, let lsr = strongSelf.lastServerResponse, -lsr.timeIntervalSinceNow < Double(strongSelf.options.keepAliveInterval) * 1.5 else {
| |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
| `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
188 | self?.state = .disconnected
189 | self?.autoReconnect()
[6/7] Compiling MQTTKit Constants.swift
/Users/admin/builder/spi-builder-workspace/Sources/Constants.swift:42:5: warning: 'public' modifier is redundant for operator function declared in a public extension
40 |
41 | public extension MQTTQoSLevel {
42 | public static func <(lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
| `- warning: 'public' modifier is redundant for operator function declared in a public extension
43 | return lhs.rawValue < rhs.rawValue
44 | }
[7/7] Compiling MQTTKit MQTTPacket.swift
/Users/admin/builder/spi-builder-workspace/Sources/MQTTPacket.swift:63:14: warning: function call causes an infinite recursion
61 |
62 | init(header: MQTTPacket.Header) {
63 | self.init(header: header)
| `- warning: function call causes an infinite recursion
64 | }
65 | }
Build complete! (4.56s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "MQTTKit",
"name" : "MQTTKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "MQTTKit",
"targets" : [
"MQTTKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MQTTKitTests",
"module_type" : "SwiftTarget",
"name" : "MQTTKitTests",
"path" : "Tests",
"sources" : [
"MQTTKitTests.swift"
],
"target_dependencies" : [
"MQTTKit"
],
"type" : "test"
},
{
"c99name" : "MQTTKit",
"module_type" : "SwiftTarget",
"name" : "MQTTKit",
"path" : "Sources",
"product_memberships" : [
"MQTTKit"
],
"sources" : [
"Constants.swift",
"Extensions.swift",
"MQTTKit.swift",
"MQTTPacket.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
Done.