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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 with Swift 5.10 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4606859-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
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:             5.10
Building package at path:  $workDir
https://github.com/arnecs/mqttkit.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/7] 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
    public static func <(lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
    ^~~~~~~

[4/7] Compiling MQTTKit Extensions.swift
[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
    public static func <(lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
    ^~~~~~~

[6/7] Compiling MQTTKit MQTTPacket.swift
/host/spi-builder-workspace/Sources/MQTTPacket.swift:63:14: warning: function call causes an infinite recursion
        self.init(header: header)
             ^
[7/7] Compiling MQTTKit MQTTKit.swift
/host/spi-builder-workspace/Sources/MQTTKit.swift:224:16: error: type 'Stream' has no member 'getStreamsToHost'
        Stream.getStreamsToHost(
        ~~~~~~ ^~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/MQTTKit.swift:239:51: error: cannot find 'RunLoopMode' in scope
        input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
                                                  ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MQTTKit.swift:240:52: error: cannot find 'RunLoopMode' in scope
        output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
                                                   ^~~~~~~~~~~
/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
            input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
                                                        ^
/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
            output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
                                                         ^
/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
            messageBuffer.deallocate(capacity: options.bufferSize)
                          ^
error: fatalError
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] 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
    public static func <(lhs: MQTTQoSLevel, rhs: MQTTQoSLevel) -> Bool {
    ^~~~~~~

[3/3] Compiling MQTTKit MQTTKit.swift
/host/spi-builder-workspace/Sources/MQTTKit.swift:224:16: error: type 'Stream' has no member 'getStreamsToHost'
        Stream.getStreamsToHost(
        ~~~~~~ ^~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/MQTTKit.swift:239:51: error: cannot find 'RunLoopMode' in scope
        input.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
                                                  ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MQTTKit.swift:240:52: error: cannot find 'RunLoopMode' in scope
        output.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
                                                   ^~~~~~~~~~~
/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
            input.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
                                                        ^
/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
            output.setProperty(StreamSocketSecurityLevel.tlSv1, forKey: .socketSecurityLevelKey)
                                                         ^
/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
            messageBuffer.deallocate(capacity: options.bufferSize)
                          ^
error: fatalError
BUILD FAILURE 5.10 linux