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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 FranticApparatus, reference master (8eb203), with Swift 6.0 for Linux on 26 Nov 2024 16:28:17 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/jkolb/FranticApparatus.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/jkolb/FranticApparatus
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8eb2030 Fixed up package, podspec, and projects to have appropriate deployment targets.
Cloned https://github.com/jkolb/FranticApparatus.git
Revision (git rev-parse @):
8eb2030068113c6f3897c55bb9872144c3cbc580
SUCCESS checkout https://github.com/jkolb/FranticApparatus.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/jkolb/FranticApparatus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
[3/9] Compiling FranticApparatus RacePromises.swift
[4/9] Compiling FranticApparatus Promise.swift
[5/9] Compiling FranticApparatus Lock.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/9] Compiling FranticApparatus AllPromises.swift
[7/9] Compiling FranticApparatus AnyPromises.swift
/host/spi-builder-workspace/Sources/FranticApparatus/AnyPromises.swift:26:16: warning: stored property 'errors' of 'Sendable'-conforming generic struct 'ErrorDictionary' has non-sendable type '[Key : any Error]'; this is an error in the Swift 6 language mode
 23 |  */
 24 |
 25 | public struct ErrorDictionary<Key : Hashable> : Error, CustomStringConvertible {
    |                               `- note: consider making generic parameter 'Key' conform to the 'Sendable' protocol
 26 |     public let errors: [Key:Error]
    |                `- warning: stored property 'errors' of 'Sendable'-conforming generic struct 'ErrorDictionary' has non-sendable type '[Key : any Error]'; this is an error in the Swift 6 language mode
 27 |
 28 |     public init(errors: [Key:Error]) {
[8/9] Emitting module FranticApparatus
/host/spi-builder-workspace/Sources/FranticApparatus/AnyPromises.swift:26:16: warning: stored property 'errors' of 'Sendable'-conforming generic struct 'ErrorDictionary' has non-sendable type '[Key : any Error]'; this is an error in the Swift 6 language mode
 23 |  */
 24 |
 25 | public struct ErrorDictionary<Key : Hashable> : Error, CustomStringConvertible {
    |                               `- note: consider making generic parameter 'Key' conform to the 'Sendable' protocol
 26 |     public let errors: [Key:Error]
    |                `- warning: stored property 'errors' of 'Sendable'-conforming generic struct 'ErrorDictionary' has non-sendable type '[Key : any Error]'; this is an error in the Swift 6 language mode
 27 |
 28 |     public init(errors: [Key:Error]) {
/host/spi-builder-workspace/Sources/FranticApparatus/ExecutionContext.swift:28:36: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
26 | import Foundation
27 |
28 | public protocol ExecutionContext : class {
   |                                    `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
29 |     func execute(_ block: @escaping () -> Void)
30 | }
/host/spi-builder-workspace/Sources/FranticApparatus/ExecutionContext.swift:44:20: error: cannot inherit from class 'Thread' (compiled with Swift 6.0.2) because it has overridable members that could not be loaded in Swift 5.10
42 | }
43 |
44 | public final class ThreadContext : Thread, ExecutionContext {
   |                    `- error: cannot inherit from class 'Thread' (compiled with Swift 6.0.2) because it has overridable members that could not be loaded in Swift 5.10
45 |     private let condition: NSCondition
46 |     private var queue: [() -> Void]
[9/9] Compiling FranticApparatus ExecutionContext.swift
/host/spi-builder-workspace/Sources/FranticApparatus/ExecutionContext.swift:28:36: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
26 | import Foundation
27 |
28 | public protocol ExecutionContext : class {
   |                                    `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
29 |     func execute(_ block: @escaping () -> Void)
30 | }
/host/spi-builder-workspace/Sources/FranticApparatus/ExecutionContext.swift:44:20: error: cannot inherit from class 'Thread' (compiled with Swift 6.0.2) because it has overridable members that could not be loaded in Swift 5.10
42 | }
43 |
44 | public final class ThreadContext : Thread, ExecutionContext {
   |                    `- error: cannot inherit from class 'Thread' (compiled with Swift 6.0.2) because it has overridable members that could not be loaded in Swift 5.10
45 |     private let condition: NSCondition
46 |     private var queue: [() -> Void]
/host/spi-builder-workspace/Sources/FranticApparatus/ExecutionContext.swift:40:22: warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
37 |
38 | extension OperationQueue : ExecutionContext {
39 |     public func execute(_ block: @escaping () -> Void) {
   |                           `- note: parameter 'block' is implicitly non-sendable
40 |         addOperation(block)
   |                      `- warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
41 |     }
42 | }
BUILD FAILURE 6.0 linux