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-limiter, reference main (230e5c), with Swift 6.1 for macOS (SPM) on 1 May 2025 00:12:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ph1ps/swift-concurrency-limiter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ph1ps/swift-concurrency-limiter
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 230e5cc Create README.md
Cloned https://github.com/ph1ps/swift-concurrency-limiter.git
Revision (git rev-parse @):
230e5ccd1b719bf5d253c556534f9efe26b2ba7f
SUCCESS checkout https://github.com/ph1ps/swift-concurrency-limiter.git at main
Fetching https://github.com/pointfreeco/swift-clocks from cache
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay from cache
Fetching https://github.com/pointfreeco/swift-concurrency-extras from cache
Fetching https://github.com/apple/swift-collections from cache
Fetched https://github.com/pointfreeco/swift-clocks from cache (0.48s)
Fetched https://github.com/pointfreeco/swift-concurrency-extras from cache (0.75s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.76s)
Fetched https://github.com/apple/swift-collections from cache (0.78s)
Computing version for https://github.com/pointfreeco/swift-clocks
Computed https://github.com/pointfreeco/swift-clocks at 1.0.6 (1.33s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.1.4 (1.36s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.5.2 (0.51s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.3.1 (0.49s)
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.1.4
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.5.2
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.0.6
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swift-concurrency-limiter",
      "name": "swift-concurrency-limiter",
      "url": "https://github.com/ph1ps/swift-concurrency-limiter.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-concurrency-limiter",
      "dependencies": [
        {
          "identity": "swift-collections",
          "name": "swift-collections",
          "url": "https://github.com/apple/swift-collections",
          "version": "1.1.4",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/ph1ps/swift-concurrency-limiter.git
[1/45] Fetching swift-concurrency-limiter
Fetched https://github.com/ph1ps/swift-concurrency-limiter.git from cache (0.64s)
Fetching https://github.com/apple/swift-collections from cache
Fetched https://github.com/apple/swift-collections from cache (0.59s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.1.4 (0.64s)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.1.4
Creating working copy for https://github.com/ph1ps/swift-concurrency-limiter.git
Working copy of https://github.com/ph1ps/swift-concurrency-limiter.git resolved at main (230e5cc)
warning: '.resolve-product-dependencies': dependency 'swift-concurrency-limiter' is not used by any target
Found 1 product dependencies
  - swift-collections
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ph1ps/swift-concurrency-limiter.git
https://github.com/ph1ps/swift-concurrency-limiter.git
{
  "dependencies" : [
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections"
    },
    {
      "identity" : "swift-clocks",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-clocks"
    }
  ],
  "manifest_display_name" : "swift-concurrency-limiter",
  "name" : "swift-concurrency-limiter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "18.0"
    }
  ],
  "products" : [
    {
      "name" : "Limiter",
      "targets" : [
        "Limiter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LimiterTests",
      "module_type" : "SwiftTarget",
      "name" : "LimiterTests",
      "path" : "Tests/LimiterTests",
      "product_dependencies" : [
        "Clocks"
      ],
      "sources" : [
        "LimiterTests.swift"
      ],
      "target_dependencies" : [
        "Limiter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Limiter",
      "module_type" : "SwiftTarget",
      "name" : "Limiter",
      "path" : "Sources/Limiter",
      "product_dependencies" : [
        "OrderedCollections"
      ],
      "product_memberships" : [
        "Limiter"
      ],
      "sources" : [
        "Limiter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/22] Compiling InternalCollectionsUtilities _SortedCollection.swift
[6/22] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[7/23] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[8/23] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[9/23] Emitting module InternalCollectionsUtilities
[10/23] Compiling InternalCollectionsUtilities UInt+reversed.swift
[11/23] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[12/23] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[13/23] Compiling InternalCollectionsUtilities Debugging.swift
[14/23] Compiling InternalCollectionsUtilities Descriptions.swift
[15/23] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[16/23] Compiling InternalCollectionsUtilities Specialize.swift
[17/23] Compiling InternalCollectionsUtilities Integer rank.swift
[18/23] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[19/23] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[20/23] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[21/23] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[22/23] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[23/23] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[24/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
[25/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formSymmetricDifference.swift
[26/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[27/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
[28/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isDisjoint.swift
[29/79] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[30/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[31/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
[32/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSubset.swift
[33/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSuperset.swift
[34/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtract.swift
[35/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtracting.swift
[36/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra symmetricDifference.swift
[37/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra union.swift
[38/85] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[39/85] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[40/85] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[41/85] Compiling OrderedCollections OrderedSet+Sendable.swift
[42/85] Compiling OrderedCollections OrderedDictionary+Elements.swift
[43/85] Compiling OrderedCollections OrderedDictionary+Equatable.swift
[44/85] Compiling OrderedCollections OrderedDictionary+ExpressibleByDictionaryLiteral.swift
[45/85] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[46/85] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[47/85] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[48/85] Compiling OrderedCollections _Hashtable+Header.swift
[49/85] Compiling OrderedCollections OrderedDictionary+Codable.swift
[50/85] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[51/85] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[52/85] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[53/85] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[54/85] Compiling OrderedCollections OrderedSet+Hashable.swift
[55/85] Compiling OrderedCollections OrderedSet+Initializers.swift
[56/85] Compiling OrderedCollections OrderedSet+Insertions.swift
[57/85] Compiling OrderedCollections OrderedSet+Invariants.swift
[58/85] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[59/85] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[60/85] Compiling OrderedCollections OrderedSet+Codable.swift
[61/85] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[62/85] Compiling OrderedCollections OrderedSet+Descriptions.swift
[63/85] Compiling OrderedCollections OrderedSet+Diffing.swift
[64/85] Compiling OrderedCollections OrderedSet+Equatable.swift
[65/85] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[66/85] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[67/85] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[68/85] Compiling OrderedCollections OrderedDictionary+Sendable.swift
[69/85] Compiling OrderedCollections OrderedDictionary+Sequence.swift
[70/85] Compiling OrderedCollections OrderedDictionary+Values.swift
[71/85] Compiling OrderedCollections OrderedDictionary.swift
[72/85] Compiling OrderedCollections _HashTable+Bucket.swift
[73/85] Compiling OrderedCollections _HashTable+BucketIterator.swift
[74/85] Compiling OrderedCollections _HashTable+Constants.swift
[75/85] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[76/85] Compiling OrderedCollections _HashTable+Testing.swift
[77/85] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[78/85] Compiling OrderedCollections _HashTable.swift
[79/85] Compiling OrderedCollections OrderedSet+SubSequence.swift
[80/85] Compiling OrderedCollections OrderedSet+Testing.swift
[81/85] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[82/85] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[83/85] Compiling OrderedCollections OrderedSet.swift
[84/85] Compiling OrderedCollections _UnsafeBitset.swift
[85/85] Emitting module OrderedCollections
[86/87] Emitting module Limiter
[87/87] Compiling Limiter Limiter.swift
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:154:15: error: cannot find 'withTaskPriorityEscalationHandler' in scope
152 |     let id = nextID()
153 |
154 |     try await withTaskPriorityEscalationHandler(operation: {
    |               `- error: cannot find 'withTaskPriorityEscalationHandler' in scope
155 |       try await withTaskCancellationHandler(operation: {
156 |         try await withUnsafeThrowingContinuation(isolation: isolation) { continuation in
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:171:33: error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
169 |           case .escalate(let tasks):
170 |             for task in tasks {
171 |               UnsafeCurrentTask.escalatePriority(task, to: Task.currentPriority)
    |                                 `- error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
172 |             }
173 |           case .none:
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:197:29: error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
195 |       case .escalate(let tasks):
196 |         for task in tasks {
197 |           UnsafeCurrentTask.escalatePriority(task, to: priority)
    |                             `- error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
198 |         }
199 |       case .none:
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/19] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[3/19] Compiling InternalCollectionsUtilities Specialize.swift
[4/20] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[5/20] Compiling InternalCollectionsUtilities Debugging.swift
[6/20] Compiling InternalCollectionsUtilities Descriptions.swift
[7/20] Compiling InternalCollectionsUtilities _SortedCollection.swift
[8/20] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[9/20] Compiling InternalCollectionsUtilities UInt+reversed.swift
[10/20] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[11/20] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[12/20] Emitting module InternalCollectionsUtilities
[13/20] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[14/20] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[15/20] Compiling InternalCollectionsUtilities Integer rank.swift
[16/20] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[17/20] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[18/20] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[19/20] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[20/20] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[21/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[22/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
[23/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSubset.swift
[24/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSuperset.swift
[25/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtract.swift
[26/76] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtracting.swift
[27/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra symmetricDifference.swift
[28/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra union.swift
[29/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[30/82] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[31/82] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[32/82] Compiling OrderedCollections OrderedSet+Sendable.swift
[33/82] Compiling OrderedCollections _Hashtable+Header.swift
[34/82] Compiling OrderedCollections OrderedDictionary+Codable.swift
[35/82] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[36/82] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[37/82] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[38/82] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[39/82] Compiling OrderedCollections OrderedSet+Hashable.swift
[40/82] Compiling OrderedCollections OrderedSet+Initializers.swift
[41/82] Compiling OrderedCollections OrderedSet+Insertions.swift
[42/82] Compiling OrderedCollections OrderedSet+Invariants.swift
[43/82] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[44/82] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[45/82] Compiling OrderedCollections OrderedDictionary+Elements.swift
[46/82] Compiling OrderedCollections OrderedDictionary+Equatable.swift
[47/82] Compiling OrderedCollections OrderedDictionary+ExpressibleByDictionaryLiteral.swift
[48/82] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[49/82] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[50/82] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[51/82] Compiling OrderedCollections OrderedSet+Codable.swift
[52/82] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[53/82] Compiling OrderedCollections OrderedSet+Descriptions.swift
[54/82] Compiling OrderedCollections OrderedSet+Diffing.swift
[55/82] Compiling OrderedCollections OrderedSet+Equatable.swift
[56/82] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[57/82] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[58/82] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[59/82] Compiling OrderedCollections OrderedDictionary+Sendable.swift
[60/82] Compiling OrderedCollections OrderedDictionary+Sequence.swift
[61/82] Compiling OrderedCollections OrderedDictionary+Values.swift
[62/82] Compiling OrderedCollections OrderedDictionary.swift
[63/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
[64/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formSymmetricDifference.swift
[65/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[66/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
[67/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isDisjoint.swift
[68/82] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[69/82] Compiling OrderedCollections _HashTable+Bucket.swift
[70/82] Compiling OrderedCollections _HashTable+BucketIterator.swift
[71/82] Compiling OrderedCollections _HashTable+Constants.swift
[72/82] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[73/82] Compiling OrderedCollections _HashTable+Testing.swift
[74/82] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[75/82] Compiling OrderedCollections _HashTable.swift
[76/82] Compiling OrderedCollections OrderedSet+SubSequence.swift
[77/82] Compiling OrderedCollections OrderedSet+Testing.swift
[78/82] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[79/82] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[80/82] Compiling OrderedCollections OrderedSet.swift
[81/82] Compiling OrderedCollections _UnsafeBitset.swift
[82/82] Emitting module OrderedCollections
[83/84] Emitting module Limiter
[84/84] Compiling Limiter Limiter.swift
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:154:15: error: cannot find 'withTaskPriorityEscalationHandler' in scope
152 |     let id = nextID()
153 |
154 |     try await withTaskPriorityEscalationHandler(operation: {
    |               `- error: cannot find 'withTaskPriorityEscalationHandler' in scope
155 |       try await withTaskCancellationHandler(operation: {
156 |         try await withUnsafeThrowingContinuation(isolation: isolation) { continuation in
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:171:33: error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
169 |           case .escalate(let tasks):
170 |             for task in tasks {
171 |               UnsafeCurrentTask.escalatePriority(task, to: Task.currentPriority)
    |                                 `- error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
172 |             }
173 |           case .none:
/Users/admin/builder/spi-builder-workspace/Sources/Limiter/Limiter.swift:197:29: error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
195 |       case .escalate(let tasks):
196 |         for task in tasks {
197 |           UnsafeCurrentTask.escalatePriority(task, to: priority)
    |                             `- error: type 'UnsafeCurrentTask' has no member 'escalatePriority'
198 |         }
199 |       case .none:
BUILD FAILURE 6.1 macosSpm