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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

Successful build of Emitter with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 4

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/GoodHatsLLC/Emitter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/GoodHatsLLC/Emitter
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5480d5b fix swift 5.9 and documentation build warnings
Cloned https://github.com/GoodHatsLLC/Emitter.git
Revision (git rev-parse @):
5480d5b6f1ad63371e91a39f499e5795dc6b6615
SUCCESS checkout https://github.com/GoodHatsLLC/Emitter.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/GoodHatsLLC/Emitter.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/13] Compiling Disposable ErasedDisposable.swift
[5/13] Compiling Disposable DisposableBuilder.swift
[6/13] Compiling Disposable DisposableStage.swift
[7/13] Compiling Disposable Locked.swift
[8/13] Compiling Disposable TaskExtensions.swift
[9/13] Compiling Disposable CombineExtensions.swift
[10/13] Compiling Disposable AutoDisposable.swift
[11/13] Emitting module Disposable
[12/13] Compiling Disposable Disposable.swift
[13/13] Compiling Disposable ConvenienceStages.swift
[14/14] Compiling Disposable Task.swift
[15/59] Compiling Emitter AnyEmitter.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Erasure/AnyEmitter.swift:8:28: warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 | public struct AnyEmitter<Output, Failure: Error>: Emitter {
 6 |
 7 |   fileprivate init(_ emitter: some Emitter<Output, Failure>) {
   |                               `- note: consider making generic parameter 'some Emitter<Output, Failure>' conform to the 'Sendable' protocol
 8 |     self.subscribeFunc = { emitter.subscribe($0) }
   |                            `- warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 |   }
10 |
[16/59] Compiling Emitter Export.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Erasure/AnyEmitter.swift:8:28: warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 | public struct AnyEmitter<Output, Failure: Error>: Emitter {
 6 |
 7 |   fileprivate init(_ emitter: some Emitter<Output, Failure>) {
   |                               `- note: consider making generic parameter 'some Emitter<Output, Failure>' conform to the 'Sendable' protocol
 8 |     self.subscribeFunc = { emitter.subscribe($0) }
   |                            `- warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 |   }
10 |
[17/59] Compiling Emitter Emission.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Erasure/AnyEmitter.swift:8:28: warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 | public struct AnyEmitter<Output, Failure: Error>: Emitter {
 6 |
 7 |   fileprivate init(_ emitter: some Emitter<Output, Failure>) {
   |                               `- note: consider making generic parameter 'some Emitter<Output, Failure>' conform to the 'Sendable' protocol
 8 |     self.subscribeFunc = { emitter.subscribe($0) }
   |                            `- warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 |   }
10 |
[18/59] Compiling Emitter Emitter.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Erasure/AnyEmitter.swift:8:28: warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 | public struct AnyEmitter<Output, Failure: Error>: Emitter {
 6 |
 7 |   fileprivate init(_ emitter: some Emitter<Output, Failure>) {
   |                               `- note: consider making generic parameter 'some Emitter<Output, Failure>' conform to the 'Sendable' protocol
 8 |     self.subscribeFunc = { emitter.subscribe($0) }
   |                            `- warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 |   }
10 |
[19/59] Compiling Emitter Subject.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Erasure/AnyEmitter.swift:8:28: warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 | public struct AnyEmitter<Output, Failure: Error>: Emitter {
 6 |
 7 |   fileprivate init(_ emitter: some Emitter<Output, Failure>) {
   |                               `- note: consider making generic parameter 'some Emitter<Output, Failure>' conform to the 'Sendable' protocol
 8 |     self.subscribeFunc = { emitter.subscribe($0) }
   |                            `- warning: capture of 'emitter' with non-sendable type 'some Emitter<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 |   }
10 |
[20/63] Compiling Emitter EmissionDataProxy.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:22: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                      `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:20: warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                    `- warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:45:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 |             await asyncValue.resolve(to: value)
44 |           default:
45 |             await asyncValue.resolve(to: nil)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 |           }
47 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:41:18: warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
39 |       if wasFirst {
40 |         Task.detached {
41 |           switch emission {
   |                  `- warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:19: warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
14 | extension Emitters {
15 |
16 |   public struct FirstValue<Upstream: Emitter>: Subscriber {
   |                 `- note: consider making generic struct 'FirstValue' conform to the 'Sendable' protocol
17 |
18 |     // MARK: Lifecycle
   :
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                   `- warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:39:14: warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                              `- note: consider making generic parameter 'Output' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
39 |       switch emission {
   |              `- warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
40 |       case .value(let value):
41 |         valueFunc(value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                `- note: consider making generic struct 'SubscribeMain' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         `- warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |         `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:38:10: warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
36 |
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
   |          `- warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
[21/63] Compiling Emitter FirstValue.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:22: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                      `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:20: warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                    `- warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:45:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 |             await asyncValue.resolve(to: value)
44 |           default:
45 |             await asyncValue.resolve(to: nil)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 |           }
47 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:41:18: warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
39 |       if wasFirst {
40 |         Task.detached {
41 |           switch emission {
   |                  `- warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:19: warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
14 | extension Emitters {
15 |
16 |   public struct FirstValue<Upstream: Emitter>: Subscriber {
   |                 `- note: consider making generic struct 'FirstValue' conform to the 'Sendable' protocol
17 |
18 |     // MARK: Lifecycle
   :
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                   `- warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:39:14: warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                              `- note: consider making generic parameter 'Output' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
39 |       switch emission {
   |              `- warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
40 |       case .value(let value):
41 |         valueFunc(value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                `- note: consider making generic struct 'SubscribeMain' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         `- warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |         `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:38:10: warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
36 |
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
   |          `- warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
[22/63] Compiling Emitter Subscribe.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:22: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                      `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:20: warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                    `- warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:45:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 |             await asyncValue.resolve(to: value)
44 |           default:
45 |             await asyncValue.resolve(to: nil)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 |           }
47 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:41:18: warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
39 |       if wasFirst {
40 |         Task.detached {
41 |           switch emission {
   |                  `- warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:19: warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
14 | extension Emitters {
15 |
16 |   public struct FirstValue<Upstream: Emitter>: Subscriber {
   |                 `- note: consider making generic struct 'FirstValue' conform to the 'Sendable' protocol
17 |
18 |     // MARK: Lifecycle
   :
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                   `- warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:39:14: warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                              `- note: consider making generic parameter 'Output' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
39 |       switch emission {
   |              `- warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
40 |       case .value(let value):
41 |         valueFunc(value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                `- note: consider making generic struct 'SubscribeMain' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         `- warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |         `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:38:10: warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
36 |
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
   |          `- warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
[23/63] Compiling Emitter SubscribeMain.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:22: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                      `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: type 'Self.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:20: warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                    `- warning: non-sendable type 'AsyncValue<Self.Output?>' passed in call to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:7:35: warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 5 |     get async {
 6 |       let sub = Emitters.FirstValue(upstream: self)
 7 |       return await sub.asyncValue.value
   |                                   `- warning: non-sendable type 'Self.Output?' in asynchronous access to actor-isolated property 'value' cannot cross actor boundary; this is an error in the Swift 6 language mode
 8 |     }
 9 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:45:30: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 |             await asyncValue.resolve(to: value)
44 |           default:
45 |             await asyncValue.resolve(to: nil)
   |                              `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 |           }
47 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:41:18: warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
39 |       if wasFirst {
40 |         Task.detached {
41 |           switch emission {
   |                  `- warning: capture of 'emission' with non-sendable type 'Emission<Upstream.Output, Upstream.Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:43:19: warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
14 | extension Emitters {
15 |
16 |   public struct FirstValue<Upstream: Emitter>: Subscriber {
   |                 `- note: consider making generic struct 'FirstValue' conform to the 'Sendable' protocol
17 |
18 |     // MARK: Lifecycle
   :
41 |           switch emission {
42 |           case .value(let value):
43 |             await asyncValue.resolve(to: value)
   |                   `- warning: capture of 'self' with non-sendable type 'Emitters.FirstValue<Upstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
44 |           default:
45 |             await asyncValue.resolve(to: nil)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:39:14: warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                              `- note: consider making generic parameter 'Output' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
39 |       switch emission {
   |              `- warning: capture of 'emission' with non-sendable type 'Emission<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
40 |       case .value(let value):
41 |         valueFunc(value)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
23 | // MARK: - SubscribeMain
24 |
25 | private struct SubscribeMain<Output, Failure: Error>: Subscriber {
   |                `- note: consider making generic struct 'SubscribeMain' conform to the 'Sendable' protocol
26 |
27 |   fileprivate init(
   :
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         `- warning: capture of 'self' with non-sendable type 'SubscribeMain<Output, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:41:9: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
41 |         valueFunc(value)
   |         |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
   |         `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
42 |       case .failed(let error):
43 |         failedFunc?(error)
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/SubscribeMain.swift:38:10: warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
36 |
37 |   fileprivate func receive(emission: Emission<Output, Failure>) {
38 |     Task { @MainActor in
   |          `- warning: task or actor isolated value cannot be sent; this is an error in the Swift 6 language mode
39 |       switch emission {
40 |       case .value(let value):
[24/63] Compiling Emitter FailureEmitter.swift
[25/63] Compiling Emitter JustEmitter.swift
[26/63] Compiling Emitter NeverEmitter.swift
[27/63] Compiling Emitter PublishSubject.swift
[28/63] Compiling Emitter ValueSubject.swift
[29/63] Compiling Emitter CompactMap.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:14:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |   }
 9 |
10 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
11 |     _ transformer: @escaping @Sendable (Output) -> T?
12 |   ) -> some Emitter<T, Failure> {
13 |     map(transformer)
14 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:21:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
18 |     _ transformer: @escaping @Sendable (Output) throws -> T?
19 |   ) -> some Emitter<T, Error> {
20 |     map(transformer)
21 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
22 |   }
23 | }
[30/63] Compiling Emitter Dedupe.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:14:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |   }
 9 |
10 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
11 |     _ transformer: @escaping @Sendable (Output) -> T?
12 |   ) -> some Emitter<T, Failure> {
13 |     map(transformer)
14 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:21:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
18 |     _ transformer: @escaping @Sendable (Output) throws -> T?
19 |   ) -> some Emitter<T, Error> {
20 |     map(transformer)
21 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
22 |   }
23 | }
[31/63] Compiling Emitter Filter.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:14:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |   }
 9 |
10 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
11 |     _ transformer: @escaping @Sendable (Output) -> T?
12 |   ) -> some Emitter<T, Failure> {
13 |     map(transformer)
14 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:21:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
18 |     _ transformer: @escaping @Sendable (Output) throws -> T?
19 |   ) -> some Emitter<T, Error> {
20 |     map(transformer)
21 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
22 |   }
23 | }
[32/63] Compiling Emitter First.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:14:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |   }
 9 |
10 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
11 |     _ transformer: @escaping @Sendable (Output) -> T?
12 |   ) -> some Emitter<T, Failure> {
13 |     map(transformer)
14 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:21:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
18 |     _ transformer: @escaping @Sendable (Output) throws -> T?
19 |   ) -> some Emitter<T, Error> {
20 |     map(transformer)
21 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
22 |   }
23 | }
[33/63] Compiling Emitter FlatMapLatest.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:14:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 8 |   }
 9 |
10 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
11 |     _ transformer: @escaping @Sendable (Output) -> T?
12 |   ) -> some Emitter<T, Failure> {
13 |     map(transformer)
14 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/CompactMap.swift:21:8: warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   public func compactMap<T>(
   |                          `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
18 |     _ transformer: @escaping @Sendable (Output) throws -> T?
19 |   ) -> some Emitter<T, Error> {
20 |     map(transformer)
21 |       .compact()
   |        `- warning: type 'T' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
22 |   }
23 | }
[34/63] Emitting module Emitter
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:22: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                      `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: type 'Upstream.Output' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/FirstValue.swift:54:49: warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
52 |     // MARK: Internal
53 |
54 |     let asyncValue = AsyncValue<Upstream.Output?>()
   |                                                 `- warning: non-sendable type 'AsyncValue<Upstream.Output?>' returned by implicitly asynchronous call to actor-isolated function cannot cross actor boundary; this is an error in the Swift 6 language mode
55 |
56 |     // MARK: Private
[35/63] Compiling Emitter UnionTwo.swift
[36/63] Compiling Emitter WithFailureType.swift
[37/63] Compiling Emitter WithPrefix.swift
[38/63] Compiling Emitter WithSuffix.swift
[39/63] Compiling Emitter Create.swift
[40/63] Compiling Emitter Subscription.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/Subscription.swift:12:45: warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 7 |   // MARK: Lifecycle
 8 |
 9 |   init<Sub: Subscriber>(
   |        `- note: consider making generic parameter 'Sub' conform to the 'Sendable' protocol
10 |     subscriber: Sub
11 |   ) where Output == Sub.Input, Failure == Sub.Failure {
12 |     self.subscriberReceiver = { emission in subscriber.receive(emission: emission) }
   |                                             `- warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
13 |   }
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Utilities/AsyncValue.swift:26:22: warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 24 |         return _value
 25 |       } else {
 26 |         return await withCheckedContinuation { continuation in
    |                      `- warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 27 |           if let _value {
 28 |             // Actors allow re-entrance.
[41/63] Compiling Emitter TransformProxy.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/Subscription.swift:12:45: warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 7 |   // MARK: Lifecycle
 8 |
 9 |   init<Sub: Subscriber>(
   |        `- note: consider making generic parameter 'Sub' conform to the 'Sendable' protocol
10 |     subscriber: Sub
11 |   ) where Output == Sub.Input, Failure == Sub.Failure {
12 |     self.subscriberReceiver = { emission in subscriber.receive(emission: emission) }
   |                                             `- warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
13 |   }
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Utilities/AsyncValue.swift:26:22: warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 24 |         return _value
 25 |       } else {
 26 |         return await withCheckedContinuation { continuation in
    |                      `- warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 27 |           if let _value {
 28 |             // Actors allow re-entrance.
[42/63] Compiling Emitter AsyncValue.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/Subscription.swift:12:45: warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 7 |   // MARK: Lifecycle
 8 |
 9 |   init<Sub: Subscriber>(
   |        `- note: consider making generic parameter 'Sub' conform to the 'Sendable' protocol
10 |     subscriber: Sub
11 |   ) where Output == Sub.Input, Failure == Sub.Failure {
12 |     self.subscriberReceiver = { emission in subscriber.receive(emission: emission) }
   |                                             `- warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
13 |   }
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Utilities/AsyncValue.swift:26:22: warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 24 |         return _value
 25 |       } else {
 26 |         return await withCheckedContinuation { continuation in
    |                      `- warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 27 |           if let _value {
 28 |             // Actors allow re-entrance.
[43/63] Compiling Emitter Locked.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Subscribers/Subscription.swift:12:45: warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 7 |   // MARK: Lifecycle
 8 |
 9 |   init<Sub: Subscriber>(
   |        `- note: consider making generic parameter 'Sub' conform to the 'Sendable' protocol
10 |     subscriber: Sub
11 |   ) where Output == Sub.Input, Failure == Sub.Failure {
12 |     self.subscriberReceiver = { emission in subscriber.receive(emission: emission) }
   |                                             `- warning: capture of 'subscriber' with non-sendable type 'Sub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
13 |   }
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Utilities/AsyncValue.swift:26:22: warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 24 |         return _value
 25 |       } else {
 26 |         return await withCheckedContinuation { continuation in
    |                      `- warning: sending 'self'-isolated value of type '(CheckedContinuation<T, Never>) -> Void' with later accesses to nonisolated context risks causing data races; this is an error in the Swift 6 language mode
 27 |           if let _value {
 28 |             // Actors allow re-entrance.
[44/63] Compiling Emitter AsyncToEmitterBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Bridging/SequenceToEmitterBridge.swift:4:16: warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 1 | extension Emitters {
 2 |   public static func bridge<Seq: Sequence>(_ sequence: Seq) -> some Emitter<Seq.Element, Never> {
   |                             `- note: consider making generic parameter 'Seq' conform to the 'Sendable' protocol
 3 |     Emitters.create(Emission<Seq.Element, Never>.self) { emit in
 4 |       for i in sequence {
   |                `- warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 |         emit(.value(i))
 6 |       }
[45/63] Compiling Emitter CombineToEmitterBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Bridging/SequenceToEmitterBridge.swift:4:16: warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 1 | extension Emitters {
 2 |   public static func bridge<Seq: Sequence>(_ sequence: Seq) -> some Emitter<Seq.Element, Never> {
   |                             `- note: consider making generic parameter 'Seq' conform to the 'Sendable' protocol
 3 |     Emitters.create(Emission<Seq.Element, Never>.self) { emit in
 4 |       for i in sequence {
   |                `- warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 |         emit(.value(i))
 6 |       }
[46/63] Compiling Emitter EmitterToAsyncBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Bridging/SequenceToEmitterBridge.swift:4:16: warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 1 | extension Emitters {
 2 |   public static func bridge<Seq: Sequence>(_ sequence: Seq) -> some Emitter<Seq.Element, Never> {
   |                             `- note: consider making generic parameter 'Seq' conform to the 'Sendable' protocol
 3 |     Emitters.create(Emission<Seq.Element, Never>.self) { emit in
 4 |       for i in sequence {
   |                `- warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 |         emit(.value(i))
 6 |       }
[47/63] Compiling Emitter EmitterToCombineBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Bridging/SequenceToEmitterBridge.swift:4:16: warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 1 | extension Emitters {
 2 |   public static func bridge<Seq: Sequence>(_ sequence: Seq) -> some Emitter<Seq.Element, Never> {
   |                             `- note: consider making generic parameter 'Seq' conform to the 'Sendable' protocol
 3 |     Emitters.create(Emission<Seq.Element, Never>.self) { emit in
 4 |       for i in sequence {
   |                `- warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 |         emit(.value(i))
 6 |       }
[48/63] Compiling Emitter SequenceToEmitterBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Bridging/SequenceToEmitterBridge.swift:4:16: warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 1 | extension Emitters {
 2 |   public static func bridge<Seq: Sequence>(_ sequence: Seq) -> some Emitter<Seq.Element, Never> {
   |                             `- note: consider making generic parameter 'Seq' conform to the 'Sendable' protocol
 3 |     Emitters.create(Emission<Seq.Element, Never>.self) { emit in
 4 |       for i in sequence {
   |                `- warning: capture of 'sequence' with non-sendable type 'Seq' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 5 |         emit(.value(i))
 6 |       }
[49/63] Compiling Emitter Map.swift
[50/63] Compiling Emitter MapFailure.swift
[51/63] Compiling Emitter MergeThree.swift
[52/63] Compiling Emitter MergeTwo.swift
[53/63] Compiling Emitter Print.swift
[54/63] Compiling Emitter Redirect.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Redirect.swift:70:33: warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
52 |     // MARK: Private
53 |
54 |     private struct Sub<Downstream: Subscriber>: Subscriber
   |                    `- note: consider making generic struct 'Sub' conform to the 'Sendable' protocol
55 |       where Downstream.Input == Output, Downstream.Failure == Failure
56 |     {
   :
68 |
69 |       fileprivate func receive(emission: Emission<Upstream.Output, Upstream.Failure>) {
70 |         redirection(emission) { downstream.receive(emission: $0) }
   |                                 `- warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
71 |       }
72 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
[55/63] Compiling Emitter ReplaceFailures.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Redirect.swift:70:33: warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
52 |     // MARK: Private
53 |
54 |     private struct Sub<Downstream: Subscriber>: Subscriber
   |                    `- note: consider making generic struct 'Sub' conform to the 'Sendable' protocol
55 |       where Downstream.Input == Output, Downstream.Failure == Failure
56 |     {
   :
68 |
69 |       fileprivate func receive(emission: Emission<Upstream.Output, Upstream.Failure>) {
70 |         redirection(emission) { downstream.receive(emission: $0) }
   |                                 `- warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
71 |       }
72 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
[56/63] Compiling Emitter Shared.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Redirect.swift:70:33: warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
52 |     // MARK: Private
53 |
54 |     private struct Sub<Downstream: Subscriber>: Subscriber
   |                    `- note: consider making generic struct 'Sub' conform to the 'Sendable' protocol
55 |       where Downstream.Input == Output, Downstream.Failure == Failure
56 |     {
   :
68 |
69 |       fileprivate func receive(emission: Emission<Upstream.Output, Upstream.Failure>) {
70 |         redirection(emission) { downstream.receive(emission: $0) }
   |                                 `- warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
71 |       }
72 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
[57/63] Compiling Emitter TryMap.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Redirect.swift:70:33: warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
52 |     // MARK: Private
53 |
54 |     private struct Sub<Downstream: Subscriber>: Subscriber
   |                    `- note: consider making generic struct 'Sub' conform to the 'Sendable' protocol
55 |       where Downstream.Input == Output, Downstream.Failure == Failure
56 |     {
   :
68 |
69 |       fileprivate func receive(emission: Emission<Upstream.Output, Upstream.Failure>) {
70 |         redirection(emission) { downstream.receive(emission: $0) }
   |                                 `- warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
71 |       }
72 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
[58/63] Compiling Emitter UnionThree.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Redirect.swift:70:33: warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
52 |     // MARK: Private
53 |
54 |     private struct Sub<Downstream: Subscriber>: Subscriber
   |                    `- note: consider making generic struct 'Sub' conform to the 'Sendable' protocol
55 |       where Downstream.Input == Output, Downstream.Failure == Failure
56 |     {
   :
68 |
69 |       fileprivate func receive(emission: Emission<Upstream.Output, Upstream.Failure>) {
70 |         redirection(emission) { downstream.receive(emission: $0) }
   |                                 `- warning: capture of 'self' with non-sendable type 'Emitters.Redirect<Upstream>.Sub<Downstream>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
71 |       }
72 |
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Operators/Shared.swift:194:17: warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
 54 |     // MARK: Private
 55 |
 56 |     private struct SharedSub<Input, Failure: Error>: Subscriber {
    |                    `- note: consider making generic struct 'SharedSub' conform to the 'Sendable' protocol
 57 |
 58 |       // MARK: Lifecycle
    :
192 |     }
193 |
194 |     private let sharedSub = Locked<SharedSub<Output, Failure>?>(nil)
    |                 `- warning: stored property 'sharedSub' of 'Sendable'-conforming generic struct 'Shared' has non-sendable type 'Locked<Emitters.Shared<Upstream>.SharedSub<Emitters.Shared<Upstream>.Output, Emitters.Shared<Upstream>.Failure>?>' (aka 'Locked<Optional<Emitters.Shared<Upstream>.SharedSub<Upstream.Output, Upstream.Failure>>>'); this is an error in the Swift 6 language mode
195 |
196 |     private let upstream: Upstream
[59/63] Compiling Emitter Subscriber.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Interface/Subscriber.swift:24:7: warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |   }
21 |
22 |   init(_ subscriber: some Subscriber<Input, Failure>) {
   |                      `- note: consider making generic parameter 'some Subscriber<Input, Failure>' conform to the 'Sendable' protocol
23 |     self.receiveFunc = {
24 |       subscriber.receive(emission: $0)
   |       `- warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |     }
26 |   }
[60/63] Compiling Emitter Tuple.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Interface/Subscriber.swift:24:7: warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |   }
21 |
22 |   init(_ subscriber: some Subscriber<Input, Failure>) {
   |                      `- note: consider making generic parameter 'some Subscriber<Input, Failure>' conform to the 'Sendable' protocol
23 |     self.receiveFunc = {
24 |       subscriber.receive(emission: $0)
   |       `- warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |     }
26 |   }
[61/63] Compiling Emitter Union.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Interface/Subscriber.swift:24:7: warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |   }
21 |
22 |   init(_ subscriber: some Subscriber<Input, Failure>) {
   |                      `- note: consider making generic parameter 'some Subscriber<Input, Failure>' conform to the 'Sendable' protocol
23 |     self.receiveFunc = {
24 |       subscriber.receive(emission: $0)
   |       `- warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |     }
26 |   }
[62/63] Compiling Emitter CombineLatestThree.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Interface/Subscriber.swift:24:7: warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |   }
21 |
22 |   init(_ subscriber: some Subscriber<Input, Failure>) {
   |                      `- note: consider making generic parameter 'some Subscriber<Input, Failure>' conform to the 'Sendable' protocol
23 |     self.receiveFunc = {
24 |       subscriber.receive(emission: $0)
   |       `- warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |     }
26 |   }
[63/63] Compiling Emitter CombineLatestTwo.swift
/Users/admin/builder/spi-builder-workspace/Sources/Emitter/Interface/Subscriber.swift:24:7: warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
20 |   }
21 |
22 |   init(_ subscriber: some Subscriber<Input, Failure>) {
   |                      `- note: consider making generic parameter 'some Subscriber<Input, Failure>' conform to the 'Sendable' protocol
23 |     self.receiveFunc = {
24 |       subscriber.receive(emission: $0)
   |       `- warning: capture of 'subscriber' with non-sendable type 'some Subscriber<Input, Failure>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |     }
26 |   }
Build complete! (24.95s)
Fetching https://github.com/GoodHatsLLC/Disposable.git
[1/274] Fetching disposable
Fetched https://github.com/GoodHatsLLC/Disposable.git from cache (0.71s)
Computing version for https://github.com/GoodHatsLLC/Disposable.git
Computed https://github.com/GoodHatsLLC/Disposable.git at 1.0.0 (0.53s)
Creating working copy for https://github.com/GoodHatsLLC/Disposable.git
Working copy of https://github.com/GoodHatsLLC/Disposable.git resolved at 1.0.0
Build complete.
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        "range" : [
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      "c99name" : "EmitterTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitterTests",
      "path" : "Tests/EmitterTests",
      "product_dependencies" : [
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      "sources" : [
        "Benchmarks/Benchmarks.swift",
        "Benchmarks/Blackhole.swift",
        "BridgingTests/AsyncToEmitterTests.swift",
        "BridgingTests/CombineToEmitterTests.swift",
        "BridgingTests/EmitterToAsyncTests.swift",
        "BridgingTests/EmitterToCombineTests.swift",
        "LifecycleTests/FinishTests.swift",
        "OperatorTests/CombineLatestThreeTests.swift",
        "OperatorTests/CombineLatestTwoTests.swift",
        "OperatorTests/CompactMapTests.swift",
        "OperatorTests/DedupingTests.swift",
        "OperatorTests/FilterTests.swift",
        "OperatorTests/FirstTests.swift",
        "OperatorTests/FlatMapLatestTests.swift",
        "OperatorTests/MapFailureTests.swift",
        "OperatorTests/MapTests.swift",
        "OperatorTests/Merge2Tests.swift",
        "OperatorTests/Merge3Tests.swift",
        "OperatorTests/ReplacingFailuresTests.swift",
        "OperatorTests/SharedTests.swift",
        "OperatorTests/TryMapTests.swift",
        "OperatorTests/UnionThreeTests.swift",
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        "OperatorTests/WithFailureTypeTests.swift",
        "OperatorTests/WithPrefixTests.swift",
        "OperatorTests/WithSuffixTests.swift",
        "SourceTests/CreateTests.swift",
        "SourceTests/PublishSubjectTests.swift",
        "SourceTests/ValueSubjectTests.swift",
        "StressTests/ThreadingTests.swift",
        "SubscriberTests/FirstValueTests.swift",
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        "Interface/Subject.swift",
        "Interface/Subscriber.swift",
        "Interface/Tuple.swift",
        "Interface/Union.swift",
        "Operators/CombineLatestThree.swift",
        "Operators/CombineLatestTwo.swift",
        "Operators/CompactMap.swift",
        "Operators/Dedupe.swift",
        "Operators/Filter.swift",
        "Operators/First.swift",
        "Operators/FlatMapLatest.swift",
        "Operators/Map.swift",
        "Operators/MapFailure.swift",
        "Operators/MergeThree.swift",
        "Operators/MergeTwo.swift",
        "Operators/Print.swift",
        "Operators/Redirect.swift",
        "Operators/ReplaceFailures.swift",
        "Operators/Shared.swift",
        "Operators/TryMap.swift",
        "Operators/UnionThree.swift",
        "Operators/UnionTwo.swift",
        "Operators/WithFailureType.swift",
        "Operators/WithPrefix.swift",
        "Operators/WithSuffix.swift",
        "Sources/Create.swift",
        "Sources/FailureEmitter.swift",
        "Sources/JustEmitter.swift",
        "Sources/NeverEmitter.swift",
        "Sources/PublishSubject.swift",
        "Sources/ValueSubject.swift",
        "Subscribers/EmissionDataProxy.swift",
        "Subscribers/FirstValue.swift",
        "Subscribers/Subscribe.swift",
        "Subscribers/SubscribeMain.swift",
        "Subscribers/Subscription.swift",
        "Subscribers/TransformProxy.swift",
        "Utilities/AsyncValue.swift",
        "Utilities/Locked.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.