The Swift Package Index logo.Swift Package Index

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 swift-concurrency-task-manager, reference main (613d07), with Swift 6.1 for Linux on 29 Apr 2025 11:06:19 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/VergeGroup/swift-concurrency-task-manager.git
Reference: main
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/VergeGroup/swift-concurrency-task-manager
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 613d07e Swift6 (#6)
Cloned https://github.com/VergeGroup/swift-concurrency-task-manager.git
Revision (git rev-parse @):
613d07edbb45eaa0fbc3fb1665cad6142be867fd
SUCCESS checkout https://github.com/VergeGroup/swift-concurrency-task-manager.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/VergeGroup/swift-concurrency-task-manager.git
https://github.com/VergeGroup/swift-concurrency-task-manager.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
  "manifest_display_name" : "swift-concurrency-task-manager",
  "name" : "swift-concurrency-task-manager",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ConcurrencyTaskManager",
      "targets" : [
        "ConcurrencyTaskManager"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5",
    "6"
  ],
  "targets" : [
    {
      "c99name" : "ConcurrencyTaskManagerTests",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyTaskManagerTests",
      "path" : "Tests/ConcurrencyTaskManagerTests",
      "sources" : [
        "TaskKeyTests.swift",
        "TaskManagerTests.swift",
        "TaskQueueTests.swift",
        "TaskStackActorTests.swift",
        "UnfairLockAtomic.swift"
      ],
      "target_dependencies" : [
        "ConcurrencyTaskManager"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ConcurrencyTaskManager",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyTaskManager",
      "path" : "Sources/ConcurrencyTaskManager",
      "product_dependencies" : [
        "DequeModule"
      ],
      "product_memberships" : [
        "ConcurrencyTaskManager"
      ],
      "sources" : [
        "TaskManagerActor.swift",
        "TaskQueueActor.swift",
        "TaskStackActor.swift",
        "TaskType.swift",
        "_Log.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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 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/apple/swift-collections.git
[1/16269] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.42s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (4.21s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/21] Emitting module InternalCollectionsUtilities
[6/23] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[7/23] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[8/23] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[9/23] Compiling InternalCollectionsUtilities Specialize.swift
[10/23] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[11/23] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[12/23] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[13/23] Compiling InternalCollectionsUtilities Debugging.swift
[14/23] Compiling InternalCollectionsUtilities Descriptions.swift
[15/23] Compiling InternalCollectionsUtilities _SortedCollection.swift
[16/23] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[17/23] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[18/23] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[19/23] Compiling InternalCollectionsUtilities UInt+reversed.swift
[20/23] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[21/23] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[22/23] Compiling InternalCollectionsUtilities Integer rank.swift
[23/23] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[25/39] Compiling DequeModule _DequeBuffer.swift
[26/39] Compiling DequeModule _DequeBufferHeader.swift
[27/41] Compiling DequeModule Deque+Extras.swift
[28/41] Compiling DequeModule Deque+Hashable.swift
[29/41] Compiling DequeModule Deque+Equatable.swift
[30/41] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[31/41] Compiling DequeModule Deque+CustomReflectable.swift
[32/41] Compiling DequeModule Deque+Descriptions.swift
[33/41] Compiling DequeModule _DequeSlot.swift
[34/41] Compiling DequeModule _UnsafeWrappedBuffer.swift
[35/41] Compiling DequeModule Deque+Testing.swift
[36/41] Compiling DequeModule Deque._Storage.swift
[37/41] Compiling DequeModule Deque._UnsafeHandle.swift
[38/41] Compiling DequeModule Deque.swift
[39/41] Compiling DequeModule Deque+Codable.swift
[40/41] Compiling DequeModule Deque+Collection.swift
[41/41] Emitting module DequeModule
[43/48] Compiling ConcurrencyTaskManager _Log.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[44/48] Compiling ConcurrencyTaskManager TaskType.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[45/48] Compiling ConcurrencyTaskManager TaskStackActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
error: emit-module command failed with exit code 1 (use -v to see invocation)
[46/48] Emitting module ConcurrencyTaskManager
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[47/48] Compiling ConcurrencyTaskManager TaskQueueActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[48/48] Compiling ConcurrencyTaskManager TaskManagerActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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
[2/18] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[3/18] Compiling InternalCollectionsUtilities Specialize.swift
[4/20] Compiling InternalCollectionsUtilities Debugging.swift
[5/20] Compiling InternalCollectionsUtilities Descriptions.swift
[6/20] Compiling InternalCollectionsUtilities UInt+reversed.swift
[7/20] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[8/20] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[9/20] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[10/20] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[11/20] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[12/20] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[13/20] Emitting module InternalCollectionsUtilities
[14/20] Compiling InternalCollectionsUtilities _SortedCollection.swift
[15/20] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[16/20] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[17/20] Compiling InternalCollectionsUtilities Integer rank.swift
[18/20] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[19/20] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[20/20] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[22/36] Compiling DequeModule Deque+CustomReflectable.swift
[23/36] Compiling DequeModule Deque+Descriptions.swift
[24/38] Compiling DequeModule Deque+Equatable.swift
[25/38] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[26/38] Compiling DequeModule Deque+Extras.swift
[27/38] Compiling DequeModule Deque+Hashable.swift
[28/38] Compiling DequeModule _DequeBuffer.swift
[29/38] Compiling DequeModule _DequeBufferHeader.swift
[30/38] Compiling DequeModule _DequeSlot.swift
[31/38] Compiling DequeModule _UnsafeWrappedBuffer.swift
[32/38] Compiling DequeModule Deque+Testing.swift
[33/38] Compiling DequeModule Deque._Storage.swift
[34/38] Compiling DequeModule Deque._UnsafeHandle.swift
[35/38] Compiling DequeModule Deque.swift
[36/38] Compiling DequeModule Deque+Codable.swift
[37/38] Compiling DequeModule Deque+Collection.swift
[38/38] Emitting module DequeModule
[40/45] Compiling ConcurrencyTaskManager TaskType.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[41/45] Compiling ConcurrencyTaskManager _Log.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[42/45] Compiling ConcurrencyTaskManager TaskStackActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[43/45] Compiling ConcurrencyTaskManager TaskQueueActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
error: emit-module command failed with exit code 1 (use -v to see invocation)
[44/45] Emitting module ConcurrencyTaskManager
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
[45/45] Compiling ConcurrencyTaskManager TaskManagerActor.swift
/host/spi-builder-workspace/Sources/ConcurrencyTaskManager/TaskQueueActor.swift:2:24: error: no such module 'Combine'
  1 | import Foundation
  2 | @preconcurrency import Combine
    |                        `- error: no such module 'Combine'
  3 |
  4 | /**
BUILD FAILURE 6.1 linux