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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 ReactiveTask, reference master (e1396a), with Swift 6.1 for Linux on 25 Apr 2025 21:52:03 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Carthage/ReactiveTask.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/Carthage/ReactiveTask
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e1396a5 Merge pull request #113 from RahulKatariya/master
Submodule path 'Carthage/Checkouts/Nimble': checked out '43304bf2b1579fd555f2fdd51742771c1e4f2b98'
Submodule path 'Carthage/Checkouts/Quick': checked out '94df9b449508344667e5afc7e80f8bcbff1e4c37'
Submodule path 'Carthage/Checkouts/Quick/Externals/Nimble': checked out '43304bf2b1579fd555f2fdd51742771c1e4f2b98'
Submodule path 'Carthage/Checkouts/ReactiveSwift': checked out '3eba2b48ee80f87058de5ae8bb41e585bde5c997'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick': checked out '0b4ed6c706dd0cce923b5019a605a9bcc6b1b600'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs': checked out 'bb795558a76e5daf3688500055bbcfe243bffa8d'
Submodule path 'Carthage/Checkouts/xcconfigs': checked out '3d9d99634cae6d586e272543d527681283b33eb0'
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/ReactiveSwift' (https://github.com/ReactiveCocoa/ReactiveSwift.git) registered for path 'Carthage/Checkouts/ReactiveSwift'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/xcconfigs'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Nimble'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Quick'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Quick/Externals/Nimble'...
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble'...
Cloned https://github.com/Carthage/ReactiveTask.git
Revision (git rev-parse @):
e1396a56055812234e97aeda78731d7228e0bbc7
SUCCESS checkout https://github.com/Carthage/ReactiveTask.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Carthage/ReactiveTask.git
https://github.com/Carthage/ReactiveTask.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "reactiveswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveCocoa/ReactiveSwift.git"
    },
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.0.1",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble.git"
    }
  ],
  "manifest_display_name" : "ReactiveTask",
  "name" : "ReactiveTask",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReactiveTask",
      "targets" : [
        "ReactiveTask"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ReactiveTaskTests",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveTaskTests",
      "path" : "Tests/ReactiveTaskTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "StringExtensionSpec.swift",
        "TaskSpec.swift"
      ],
      "target_dependencies" : [
        "ReactiveTask"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReactiveTask",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveTask",
      "path" : "Sources",
      "product_dependencies" : [
        "ReactiveSwift"
      ],
      "product_memberships" : [
        "ReactiveTask"
      ],
      "sources" : [
        "Availability.swift",
        "Errors.swift",
        "Task.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14755] Fetching quick
[2215/34322] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (1.24s)
[15458/19567] Fetching nimble
Fetching https://github.com/ReactiveCocoa/ReactiveSwift.git
Fetched https://github.com/Quick/Nimble.git from cache (2.40s)
[1/52488] Fetching reactiveswift
Fetched https://github.com/ReactiveCocoa/ReactiveSwift.git from cache (3.39s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (6.67s)
Computing version for https://github.com/ReactiveCocoa/ReactiveSwift.git
Computed https://github.com/ReactiveCocoa/ReactiveSwift.git at 6.7.0 (0.93s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.1.2 (0.88s)
Creating working copy for https://github.com/ReactiveCocoa/ReactiveSwift.git
Working copy of https://github.com/ReactiveCocoa/ReactiveSwift.git resolved at 6.7.0
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.1.2
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/48] Compiling ReactiveSwift Flatten.swift
[5/48] Compiling ReactiveSwift FoundationExtensions.swift
[6/48] Compiling ReactiveSwift Lifetime.swift
[7/48] Compiling ReactiveSwift AttemptMap.swift
[8/48] Compiling ReactiveSwift Collect.swift
[9/48] Compiling ReactiveSwift CollectEvery.swift
[10/48] Compiling ReactiveSwift CombinePrevious.swift
[11/54] Compiling ReactiveSwift Action.swift
[12/54] Compiling ReactiveSwift Atomic.swift
[13/54] Compiling ReactiveSwift Bag.swift
[14/54] Compiling ReactiveSwift Deprecations+Removals.swift
[15/54] Compiling ReactiveSwift Disposable.swift
[16/54] Compiling ReactiveSwift Event.swift
[17/54] Compiling ReactiveSwift EventLogger.swift
[18/54] Emitting module ReactiveSwift
[19/54] Compiling ReactiveSwift Observer.swift
[20/54] Compiling ReactiveSwift Operators.swift
[21/54] Compiling ReactiveSwift Reduce.swift
[22/54] Compiling ReactiveSwift ScanMap.swift
[23/54] Compiling ReactiveSwift SkipFirst.swift
[24/54] Compiling ReactiveSwift SkipRepeats.swift
[25/54] Compiling ReactiveSwift SkipWhile.swift
[26/54] Compiling ReactiveSwift TakeFirst.swift
[27/54] Compiling ReactiveSwift TakeLast.swift
[28/54] Compiling ReactiveSwift TakeWhile.swift
[29/54] Compiling ReactiveSwift Throttle.swift
[30/54] Compiling ReactiveSwift UnaryAsyncOperator.swift
[31/54] Compiling ReactiveSwift CompactMap.swift
[32/54] Compiling ReactiveSwift Debounce.swift
[33/54] Compiling ReactiveSwift Delay.swift
[34/54] Compiling ReactiveSwift Dematerialize.swift
[35/54] Compiling ReactiveSwift DematerializeResults.swift
[36/54] Compiling ReactiveSwift Filter.swift
[37/54] Compiling ReactiveSwift LazyMap.swift
[38/54] Compiling ReactiveSwift Map.swift
[39/54] Compiling ReactiveSwift MapError.swift
[40/54] Compiling ReactiveSwift Materialize.swift
[41/54] Compiling ReactiveSwift MaterializeAsResult.swift
[42/54] Compiling ReactiveSwift ObserveOn.swift
[43/54] Compiling ReactiveSwift UniqueValues.swift
[44/54] Compiling ReactiveSwift Optional.swift
[45/54] Compiling ReactiveSwift Property.swift
[46/54] Compiling ReactiveSwift Reactive.swift
[47/54] Compiling ReactiveSwift ResultExtensions.swift
[48/54] Compiling ReactiveSwift Scheduler.swift
[49/54] Compiling ReactiveSwift Signal.Observer.swift
[50/54] Compiling ReactiveSwift Signal.swift
[51/54] Compiling ReactiveSwift SignalProducer.swift
[52/54] Compiling ReactiveSwift UnidirectionalBinding.swift
[53/54] Compiling ReactiveSwift UninhabitedTypeGuards.swift
[54/54] Compiling ReactiveSwift ValidatingProperty.swift
[56/59] Compiling ReactiveTask Availability.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[57/59] Emitting module ReactiveTask
/host/spi-builder-workspace/Sources/Errors.swift:14:7: warning: associated value 'shellTaskFailed(_:exitCode:standardError:)' of 'Sendable'-conforming enum 'TaskError' has non-sendable type 'Task'; this is an error in the Swift 6 language mode
12 | public enum TaskError: Error, Equatable {
13 | 	/// A shell task exited unsuccessfully.
14 | 	case shellTaskFailed(Task, exitCode: Int32, standardError: String?)
   |       `- warning: associated value 'shellTaskFailed(_:exitCode:standardError:)' of 'Sendable'-conforming enum 'TaskError' has non-sendable type 'Task'; this is an error in the Swift 6 language mode
15 |
16 | 	/// An error was returned from a POSIX API.
/host/spi-builder-workspace/Sources/Task.swift:13:15: note: consider making struct 'Task' conform to the 'Sendable' protocol
 11 |
 12 | /// Describes how to execute a shell command.
 13 | public struct Task {
    |               `- note: consider making struct 'Task' conform to the 'Sendable' protocol
 14 | 	/// The path to the executable that should be launched.
 15 | 	public var launchPath: String
/host/spi-builder-workspace/Sources/Task.swift:408:20: error: cannot find 'Selector' in scope
406 | 				// This is for terminating subprocesses when the parent process exits.
407 | 				// See https://github.com/Carthage/ReactiveTask/issues/3 for the details.
408 | 				let selector = Selector(("setStartsNewProcessGroup:"))
    |                    `- error: cannot find 'Selector' in scope
409 | 				if process.responds(to: selector) {
410 | 					process.perform(selector, with: false as NSNumber)
[58/59] Compiling ReactiveTask Task.swift
/host/spi-builder-workspace/Sources/Task.swift:378:15: warning: 'filterMap' is deprecated: renamed to 'compactMap'
376 | 	/// task, sending only a single value with the final, aggregated result.
377 | 	public func ignoreTaskData() -> Signal<Value.T, Error> {
378 | 		return self.filterMap { $0.value }
    |               |- warning: 'filterMap' is deprecated: renamed to 'compactMap'
    |               `- note: use 'compactMap' instead
379 | 	}
380 | }
/host/spi-builder-workspace/Sources/Task.swift:408:20: error: cannot find 'Selector' in scope
406 | 				// This is for terminating subprocesses when the parent process exits.
407 | 				// See https://github.com/Carthage/ReactiveTask/issues/3 for the details.
408 | 				let selector = Selector(("setStartsNewProcessGroup:"))
    |                    `- error: cannot find 'Selector' in scope
409 | 				if process.responds(to: selector) {
410 | 					process.perform(selector, with: false as NSNumber)
[59/59] Compiling ReactiveTask Errors.swift
/host/spi-builder-workspace/Sources/Errors.swift:14:7: warning: associated value 'shellTaskFailed(_:exitCode:standardError:)' of 'Sendable'-conforming enum 'TaskError' has non-sendable type 'Task'; this is an error in the Swift 6 language mode
12 | public enum TaskError: Error, Equatable {
13 | 	/// A shell task exited unsuccessfully.
14 | 	case shellTaskFailed(Task, exitCode: Int32, standardError: String?)
   |       `- warning: associated value 'shellTaskFailed(_:exitCode:standardError:)' of 'Sendable'-conforming enum 'TaskError' has non-sendable type 'Task'; this is an error in the Swift 6 language mode
15 |
16 | 	/// An error was returned from a POSIX API.
/host/spi-builder-workspace/Sources/Task.swift:13:15: note: consider making struct 'Task' conform to the 'Sendable' protocol
 11 |
 12 | /// Describes how to execute a shell command.
 13 | public struct Task {
    |               `- note: consider making struct 'Task' conform to the 'Sendable' protocol
 14 | 	/// The path to the executable that should be launched.
 15 | 	public var launchPath: String
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/46] Compiling ReactiveSwift LazyMap.swift
[3/46] Compiling ReactiveSwift Map.swift
[4/46] Compiling ReactiveSwift MapError.swift
[5/46] Compiling ReactiveSwift Materialize.swift
[6/46] Compiling ReactiveSwift MaterializeAsResult.swift
[7/46] Compiling ReactiveSwift ObserveOn.swift
[8/52] Compiling ReactiveSwift Observer.swift
[9/52] Compiling ReactiveSwift Operators.swift
[10/52] Compiling ReactiveSwift Reduce.swift
[11/52] Compiling ReactiveSwift ScanMap.swift
[12/52] Compiling ReactiveSwift SkipFirst.swift
[13/52] Compiling ReactiveSwift SkipRepeats.swift
[14/52] Compiling ReactiveSwift Action.swift
[15/52] Compiling ReactiveSwift Atomic.swift
[16/52] Compiling ReactiveSwift Bag.swift
[17/52] Compiling ReactiveSwift Deprecations+Removals.swift
[18/52] Compiling ReactiveSwift Disposable.swift
[19/52] Compiling ReactiveSwift Event.swift
[20/52] Compiling ReactiveSwift EventLogger.swift
[21/52] Compiling ReactiveSwift CompactMap.swift
[22/52] Compiling ReactiveSwift Debounce.swift
[23/52] Compiling ReactiveSwift Delay.swift
[24/52] Compiling ReactiveSwift Dematerialize.swift
[25/52] Compiling ReactiveSwift DematerializeResults.swift
[26/52] Compiling ReactiveSwift Filter.swift
[27/52] Compiling ReactiveSwift SkipWhile.swift
[28/52] Compiling ReactiveSwift TakeFirst.swift
[29/52] Compiling ReactiveSwift TakeLast.swift
[30/52] Compiling ReactiveSwift TakeWhile.swift
[31/52] Compiling ReactiveSwift Throttle.swift
[32/52] Compiling ReactiveSwift UnaryAsyncOperator.swift
[33/52] Compiling ReactiveSwift Flatten.swift
[34/52] Compiling ReactiveSwift FoundationExtensions.swift
[35/52] Compiling ReactiveSwift Lifetime.swift
[36/52] Compiling ReactiveSwift AttemptMap.swift
[37/52] Compiling ReactiveSwift Collect.swift
[38/52] Compiling ReactiveSwift CollectEvery.swift
[39/52] Compiling ReactiveSwift CombinePrevious.swift
[40/52] Emitting module ReactiveSwift
[41/52] Compiling ReactiveSwift UniqueValues.swift
[42/52] Compiling ReactiveSwift Optional.swift
[43/52] Compiling ReactiveSwift Property.swift
[44/52] Compiling ReactiveSwift Reactive.swift
[45/52] Compiling ReactiveSwift ResultExtensions.swift
[46/52] Compiling ReactiveSwift Scheduler.swift
[47/52] Compiling ReactiveSwift Signal.Observer.swift
[48/52] Compiling ReactiveSwift Signal.swift
[49/52] Compiling ReactiveSwift SignalProducer.swift
[50/52] Compiling ReactiveSwift UnidirectionalBinding.swift
[51/52] Compiling ReactiveSwift UninhabitedTypeGuards.swift
[52/52] Compiling ReactiveSwift ValidatingProperty.swift
[54/57] Compiling ReactiveTask Errors.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[55/57] Emitting module ReactiveTask
/host/spi-builder-workspace/Sources/Task.swift:408:20: error: cannot find 'Selector' in scope
406 | 				// This is for terminating subprocesses when the parent process exits.
407 | 				// See https://github.com/Carthage/ReactiveTask/issues/3 for the details.
408 | 				let selector = Selector(("setStartsNewProcessGroup:"))
    |                    `- error: cannot find 'Selector' in scope
409 | 				if process.responds(to: selector) {
410 | 					process.perform(selector, with: false as NSNumber)
[56/57] Compiling ReactiveTask Availability.swift
[57/57] Compiling ReactiveTask Task.swift
/host/spi-builder-workspace/Sources/Task.swift:378:15: warning: 'filterMap' is deprecated: renamed to 'compactMap'
376 | 	/// task, sending only a single value with the final, aggregated result.
377 | 	public func ignoreTaskData() -> Signal<Value.T, Error> {
378 | 		return self.filterMap { $0.value }
    |               |- warning: 'filterMap' is deprecated: renamed to 'compactMap'
    |               `- note: use 'compactMap' instead
379 | 	}
380 | }
/host/spi-builder-workspace/Sources/Task.swift:408:20: error: cannot find 'Selector' in scope
406 | 				// This is for terminating subprocesses when the parent process exits.
407 | 				// See https://github.com/Carthage/ReactiveTask/issues/3 for the details.
408 | 				let selector = Selector(("setStartsNewProcessGroup:"))
    |                    `- error: cannot find 'Selector' in scope
409 | 				if process.responds(to: selector) {
410 | 					process.perform(selector, with: false as NSNumber)
BUILD FAILURE 6.1 linux