Swift Package IndexBuild Information
Failed to build MQTTKit, reference master (ec8946), with Swift 6.2 (beta) for Linux on 18 Jun 2025 00:36:33 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/arnecs/mqttkit.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/arnecs/mqttkit
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at ec89464 travis script xcodebuild
Cloned https://github.com/arnecs/mqttkit.git
Revision (git rev-parse @):
ec894640f1ea27f758b3f4d22722d83159773cd0
SUCCESS checkout https://github.com/arnecs/mqttkit.git at master
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Build
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Selected platform: linux
Swift version: 6.2
Building package at path: $PWD
https://github.com/arnecs/mqttkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f81a7bd7aa87a0f81848d48c5bcc03f5f78deebd37fa5f9be9913077205d3687
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling MQTTKit MQTTMessage.swift
[4/10] Compiling MQTTKit Extensions.swift
[5/10] Compiling MQTTKit MQTTSessionDelegate.swift
[6/10] Compiling MQTTKit MQTTSession.swift
/host/spi-builder-workspace/Sources/MQTTSession.swift:174:16: error: type 'Stream' has no member 'getStreamsToHost'
172 | var outputStream: OutputStream?
173 |
174 | Stream.getStreamsToHost(
| `- error: type 'Stream' has no member 'getStreamsToHost'
175 | withName: options.host,
176 | port: options.port,
/host/spi-builder-workspace/Sources/MQTTSession.swift:188:51: error: cannot find 'RunLoopMode' in scope
186 | output.delegate = self
187 |
188 | input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
| `- error: cannot find 'RunLoopMode' in scope
189 | output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
190 |
/host/spi-builder-workspace/Sources/MQTTSession.swift:189:52: error: cannot find 'RunLoopMode' in scope
187 |
188 | input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
189 | output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
| `- error: cannot find 'RunLoopMode' in scope
190 |
191 | if options.useTLS {
/host/spi-builder-workspace/Sources/MQTTSession.swift:192:57: error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
190 |
191 | if options.useTLS {
192 | input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
| `- error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
193 | output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
194 | }
/host/spi-builder-workspace/Sources/MQTTSession.swift:193:58: error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
191 | if options.useTLS {
192 | input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
193 | output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
| `- error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
194 | }
195 |
/host/spi-builder-workspace/Sources/MQTTSession.swift:197:13: warning: capture of 'input' with non-Sendable type 'InputStream' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
195 |
196 | DispatchQueue.global(qos: .userInitiated).async {
197 | input.open()
| `- warning: capture of 'input' with non-Sendable type 'InputStream' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
198 | output.open()
199 |
Foundation.InputStream:1:12: note: class 'InputStream' does not conform to the 'Sendable' protocol
1 | open class InputStream : Stream {
| `- note: class 'InputStream' does not conform to the 'Sendable' protocol
2 | open func read(_ buffer: UnsafeMutablePointer<UInt8>, maxLength len: Int) -> Int
3 | open func getBuffer(_ buffer: UnsafeMutablePointer<UnsafeMutablePointer<UInt8>?>, length len: UnsafeMutablePointer<Int>) -> Bool
/host/spi-builder-workspace/Sources/MQTTSession.swift:198:13: warning: capture of 'output' with non-Sendable type 'OutputStream' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
196 | DispatchQueue.global(qos: .userInitiated).async {
197 | input.open()
198 | output.open()
| `- warning: capture of 'output' with non-Sendable type 'OutputStream' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
199 |
200 | while input.streamStatus == .opening || output.streamStatus == .opening {
Foundation.OutputStream:1:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
1 | open class OutputStream : Stream {
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
2 | open func write(_ buffer: UnsafePointer<UInt8>, maxLength len: Int) -> Int
3 | open var hasSpaceAvailable: Bool { get }
/host/spi-builder-workspace/Sources/MQTTSession.swift:200:53: warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
198 | output.open()
199 |
200 | 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
201 | usleep(1000)
202 | }
Foundation.OutputStream:1:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
1 | open class OutputStream : Stream {
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
2 | open func write(_ buffer: UnsafePointer<UInt8>, maxLength len: Int) -> Int
3 | open var hasSpaceAvailable: Bool { get }
/host/spi-builder-workspace/Sources/MQTTSession.swift:204:47: warning: implicit capture of 'output' requires that 'OutputStream' conforms to 'Sendable'; this is an error in the Swift 6 language mode
202 | }
203 |
204 | 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
205 | completion(nil)
206 | return
Foundation.OutputStream:1:12: note: class 'OutputStream' does not conform to the 'Sendable' protocol
1 | open class OutputStream : Stream {
| `- note: class 'OutputStream' does not conform to the 'Sendable' protocol
2 | open func write(_ buffer: UnsafePointer<UInt8>, maxLength len: Int) -> Int
3 | open var hasSpaceAvailable: Bool { get }
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[7/10] Compiling MQTTKit MQTTPacket.swift
/host/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 | }
[8/10] Compiling MQTTKit MQTTOptions.swift
[9/10] Emitting module MQTTKit
/host/spi-builder-workspace/Sources/Constants.swift:45:5: warning: 'public' modifier is redundant for operator function declared in a public extension
43 |
44 | public extension MQTTQoSLevel {
45 | public static func < (lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
| `- warning: 'public' modifier is redundant for operator function declared in a public extension
46 | return lhs.rawValue < rhs.rawValue
47 | }
[10/10] Compiling MQTTKit Constants.swift
/host/spi-builder-workspace/Sources/Constants.swift:45:5: warning: 'public' modifier is redundant for operator function declared in a public extension
43 |
44 | public extension MQTTQoSLevel {
45 | public static func < (lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
| `- warning: 'public' modifier is redundant for operator function declared in a public extension
46 | return lhs.rawValue < rhs.rawValue
47 | }
BUILD FAILURE 6.2 linux