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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 MulticastDelegate with Swift 5.10 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4609320-0":/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/jonasman/MulticastDelegate.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/jonasman/MulticastDelegate
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4418ae5 Removed package file from demo compilation file list
Cloned https://github.com/jonasman/MulticastDelegate.git
Revision (git rev-parse @):
4418ae5c74f13250ab7cd10993f3f29ece92e3dd
SUCCESS checkout https://github.com/jonasman/MulticastDelegate.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $workDir
https://github.com/jonasman/MulticastDelegate.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module MulticastDelegate
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
    private let delegates: NSHashTable<AnyObject>
                           ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
    public init(options: NSPointerFunctions.Options) {
                         ^~~~~~~~~~~~~~~~~~
[4/4] Compiling MulticastDelegate MulticastDelegate.swift
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
    private let delegates: NSHashTable<AnyObject>
                           ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
    public init(options: NSPointerFunctions.Options) {
                         ^~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:40: error: cannot find 'NSHashTable' in scope
        delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
                                       ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:67: error: cannot find 'NSHashTable' in scope
        delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
                                                                  ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:51:21: error: cannot find 'NSHashTable' in scope
        delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
                    ^~~~~~~~~~~
error: fatalError
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module MulticastDelegate
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
    private let delegates: NSHashTable<AnyObject>
                           ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
    public init(options: NSPointerFunctions.Options) {
                         ^~~~~~~~~~~~~~~~~~
[3/3] Compiling MulticastDelegate MulticastDelegate.swift
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
    private let delegates: NSHashTable<AnyObject>
                           ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
    public init(options: NSPointerFunctions.Options) {
                         ^~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:40: error: cannot find 'NSHashTable' in scope
        delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
                                       ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:67: error: cannot find 'NSHashTable' in scope
        delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
                                                                  ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:51:21: error: cannot find 'NSHashTable' in scope
        delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
                    ^~~~~~~~~~~
error: fatalError
BUILD FAILURE 5.10 linux