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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 FuturaAsync with Swift 6.0 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" 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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kaqu/futuraasync.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/kaqu/futuraasync
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 52a7f9c Result -> Either change
Cloned https://github.com/kaqu/futuraasync.git
Revision (git rev-parse @):
52a7f9c39634d26b53bacc4099786e4001df42cc
SUCCESS checkout https://github.com/kaqu/futuraasync.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/kaqu/futuraasync.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" 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 2>&1
Fetching https://github.com/kaqu/FuturaFunc.git
[1/90] Fetching futurafunc
Fetched https://github.com/kaqu/FuturaFunc.git from cache (0.22s)
Creating working copy for https://github.com/kaqu/FuturaFunc.git
Working copy of https://github.com/kaqu/FuturaFunc.git resolved at master (aae2984)
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/14] Compiling FuturaFunc Filter.swift
[5/14] Compiling FuturaFunc Flip.swift
[6/15] Compiling FuturaFunc Operators.swift
[7/15] Compiling FuturaFunc PrecedenceGroups.swift
[8/15] Compiling FuturaFunc xxx.swift
[9/15] Compiling FuturaFunc Curry.swift
[10/15] Compiling FuturaFunc Either.swift
[11/15] Emitting module FuturaFunc
[12/15] Compiling FuturaFunc Application.swift
[13/15] Compiling FuturaFunc Composition.swift
[14/15] Compiling FuturaFunc Map.swift
[15/15] Compiling FuturaFunc Lens.swift
[17/28] Compiling FuturaAsync Schedule.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[18/29] Compiling FuturaAsync ExecutionContext.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[19/29] Compiling FuturaAsync Worker.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:2:12: warning: var 'mainWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// worker using main thread/queue of application
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
   |            |- warning: var 'mainWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'mainWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'mainWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:4:12: warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
   |            |- warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'asyncWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'asyncWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[20/29] Compiling FuturaAsync Catchable.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[21/29] Compiling FuturaAsync Delayed.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[22/29] Compiling FuturaAsync EitherFuture.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[23/29] Compiling FuturaAsync FailableFuture.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
[24/29] Emitting module FuturaAsync
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
 5 | public extension Promise {
 6 |
 7 |     public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T))  where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
 8 |         self.init()
 9 |         var lastError: Error?
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:4:12: warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
   |            |- warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'asyncWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'asyncWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 |     }
18 |
19 |     public func fulfill<T>(with value: T) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 |         future.becomeLeft(with: value)
21 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 |     }
22 |
23 |     public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 |         future.becomeRight(with: error)
25 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:2:12: warning: var 'mainWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// worker using main thread/queue of application
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
   |            |- warning: var 'mainWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'mainWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'mainWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
[25/29] Compiling FuturaAsync Promise.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
 5 | public extension Promise {
 6 |
 7 |     public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T))  where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
 8 |         self.init()
 9 |         var lastError: Error?
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:4:12: warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
   |            |- warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'asyncWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'asyncWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 |     }
18 |
19 |     public func fulfill<T>(with value: T) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 |         future.becomeLeft(with: value)
21 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 |     }
22 |
23 |     public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 |         future.becomeRight(with: error)
25 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:14:30: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
11 | extension DispatchQueueWorker : Worker {
12 |
13 |     public func schedule(_ work: @escaping () -> Void) -> Void {
   |                            `- note: parameter 'work' is implicitly non-sendable
14 |         queue.async(execute: work)
   |                              `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
15 |     }
16 |
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:22:21: warning: capture of 'work' with non-sendable type '() throws -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |         queue.async {
21 |             do {
22 |                 try work()
   |                     |- warning: capture of 'work' with non-sendable type '() throws -> Void' 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'
23 |                 catchable.close()
24 |             } catch {
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:23:17: warning: capture of 'catchable' with non-sendable type 'Catchable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
21 |             do {
22 |                 try work()
23 |                 catchable.close()
   |                 `- warning: capture of 'catchable' with non-sendable type 'Catchable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
24 |             } catch {
25 |                 catchable.handle(error: error)
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Catchable.swift:1:20: note: class 'Catchable' does not conform to the 'Sendable' protocol
 1 | public final class Catchable {
   |                    `- note: class 'Catchable' does not conform to the 'Sendable' protocol
 2 |
 3 |     private let future: EitherFuture<Error, Void> = Future()
[26/29] Compiling FuturaAsync DispatchQueueWorker.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
 5 | public extension Promise {
 6 |
 7 |     public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T))  where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
 8 |         self.init()
 9 |         var lastError: Error?
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:4:12: warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | public var mainWorker: Worker = DispatchQueueWorker.main
 3 | /// default async worker
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
   |            |- warning: var 'asyncWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'asyncWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'asyncWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 |     }
18 |
19 |     public func fulfill<T>(with value: T) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 |         future.becomeLeft(with: value)
21 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 |     }
22 |
23 |     public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 |         future.becomeRight(with: error)
25 |     }
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:14:30: warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
11 | extension DispatchQueueWorker : Worker {
12 |
13 |     public func schedule(_ work: @escaping () -> Void) -> Void {
   |                            `- note: parameter 'work' is implicitly non-sendable
14 |         queue.async(execute: work)
   |                              `- warning: passing non-sendable parameter 'work' to function expecting a @Sendable closure
15 |     }
16 |
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:22:21: warning: capture of 'work' with non-sendable type '() throws -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |         queue.async {
21 |             do {
22 |                 try work()
   |                     |- warning: capture of 'work' with non-sendable type '() throws -> Void' 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'
23 |                 catchable.close()
24 |             } catch {
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift:23:17: warning: capture of 'catchable' with non-sendable type 'Catchable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
21 |             do {
22 |                 try work()
23 |                 catchable.close()
   |                 `- warning: capture of 'catchable' with non-sendable type 'Catchable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
24 |             } catch {
25 |                 catchable.handle(error: error)
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Catchable.swift:1:20: note: class 'Catchable' does not conform to the 'Sendable' protocol
 1 | public final class Catchable {
   |                    `- note: class 'Catchable' does not conform to the 'Sendable' protocol
 2 |
 3 |     private let future: EitherFuture<Error, Void> = Future()
[27/29] Compiling FuturaAsync Future+Join.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift:16:28: error: cannot find 'expectation' in scope
14 |     deinit {
15 |         #if DEBUG
16 |         guard case .none = expectation else { return }
   |                            `- error: cannot find 'expectation' in scope
17 |         print("WARNING - dealocating not completed future! - \(self)")
18 |         #endif
[28/29] Compiling FuturaAsync Future.swift
/host/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift:6:12: warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 4 | public var asyncWorker: Worker = DispatchQueueWorker.default
 5 |
 6 | public var defaultWorker: Worker = asyncWorker
   |            |- warning: var 'defaultWorker' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultWorker' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: annotate 'defaultWorker' with '@MainActor' if property should only be accessed from the main actor
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 7 |
 8 | public protocol Worker {
/host/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift:16:28: error: cannot find 'expectation' in scope
14 |     deinit {
15 |         #if DEBUG
16 |         guard case .none = expectation else { return }
   |                            `- error: cannot find 'expectation' in scope
17 |         print("WARNING - dealocating not completed future! - \(self)")
18 |         #endif
[29/29] Compiling FuturaAsync Lock.swift
BUILD FAILURE 6.0 linux
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