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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build MQTTKit, reference 0.1.0 (e33bd0), with Swift 6.0 for Linux on 27 Nov 2024 00:02:44 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/arnecs/mqttkit.git
Reference: 0.1.0
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
 * 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
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/arnecs/mqttkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/7] 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 | }
[4/7] Compiling MQTTKit MQTTKit.swift
/host/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 |     }
/host/spi-builder-workspace/Sources/MQTTKit.swift:224:16: error: type 'Stream' has no member 'getStreamsToHost'
222 |         var outputStream: OutputStream?
223 |
224 |         Stream.getStreamsToHost(
    |                `- error: type 'Stream' has no member 'getStreamsToHost'
225 |             withName: options.host,
226 |             port: options.port,
/host/spi-builder-workspace/Sources/MQTTKit.swift:239:51: error: cannot find 'RunLoopMode' in scope
237 |
238 |
239 |         input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
    |                                                   `- error: cannot find 'RunLoopMode' in scope
240 |         output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
241 |
/host/spi-builder-workspace/Sources/MQTTKit.swift:240:52: error: cannot find 'RunLoopMode' in scope
238 |
239 |         input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
240 |         output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
    |                                                    `- error: cannot find 'RunLoopMode' in scope
241 |
242 |         if options.useTLS {
/host/spi-builder-workspace/Sources/MQTTKit.swift:243:57: error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
241 |
242 |         if options.useTLS {
243 |             input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
    |                                                         `- error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
244 |             output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
245 |         }
/host/spi-builder-workspace/Sources/MQTTKit.swift:244:58: error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
242 |         if options.useTLS {
243 |             input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
244 |             output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
    |                                                          `- error: argument type 'StreamSocketSecurityLevel' expected to be an instance of a class or class-constrained type
245 |         }
246 |
/host/spi-builder-workspace/Sources/MQTTKit.swift:248:13: warning: capture of 'input' with non-sendable type 'InputStream' in a `@Sendable` closure; this is an error in the Swift 6 language mode
246 |
247 |         DispatchQueue.global(qos: .userInitiated).async {
248 |             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
249 |             output.open()
250 |
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/MQTTKit.swift:249:13: warning: capture of 'output' with non-sendable type 'OutputStream' in a `@Sendable` closure; this is an error in the Swift 6 language mode
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; this is an error in the Swift 6 language mode
250 |
251 |             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/MQTTKit.swift:256:17: warning: capture of 'completion' with non-sendable type '((input: InputStream, output: OutputStream)?) -> ()' in a `@Sendable` closure; this is an error in the Swift 6 language mode
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; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
257 |                 return
258 |             }
/host/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 |             }
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/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
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/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 |
[5/7] Emitting module MQTTKit
/host/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 |     }
[6/7] Compiling MQTTKit Constants.swift
/host/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 Extensions.swift
BUILD FAILURE 6.0 linux