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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 TRON, reference 5.5.0-beta.1 (24434c), with Swift 6.1 for Linux on 27 Apr 2025 18:55:32 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/MLSDev/TRON.git
Reference: 5.5.0-beta.1
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/MLSDev/TRON
 * tag               5.5.0-beta.1 -> FETCH_HEAD
HEAD is now at 24434ce Releasing version 5.5.0-beta.1.
Cloned https://github.com/MLSDev/TRON.git
Revision (git rev-parse @):
24434ce417167e320da790ee3a321770d3b142bc
SUCCESS checkout https://github.com/MLSDev/TRON.git at 5.5.0-beta.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/MLSDev/TRON.git
https://github.com/MLSDev/TRON.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "alamofire",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Alamofire/Alamofire.git"
    },
    {
      "identity" : "swiftyjson",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftyJSON/SwiftyJSON.git"
    },
    {
      "identity" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift.git"
    }
  ],
  "manifest_display_name" : "TRON",
  "name" : "TRON",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "TRON",
      "targets" : [
        "TRON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "TRONSwiftyJSON",
      "targets" : [
        "TRONSwiftyJSON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "RxTRON",
      "targets" : [
        "RxTRON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TRONSwiftyJSON",
      "module_type" : "SwiftTarget",
      "name" : "TRONSwiftyJSON",
      "path" : "Source/TRONSwiftyJSON",
      "product_dependencies" : [
        "SwiftyJSON"
      ],
      "product_memberships" : [
        "TRONSwiftyJSON"
      ],
      "sources" : [
        "SwiftyJSONDecodable.swift"
      ],
      "target_dependencies" : [
        "TRON"
      ],
      "type" : "library"
    },
    {
      "c99name" : "TRON",
      "module_type" : "SwiftTarget",
      "name" : "TRON",
      "path" : "Source/TRON",
      "product_dependencies" : [
        "Alamofire"
      ],
      "product_memberships" : [
        "TRON",
        "TRONSwiftyJSON",
        "RxTRON"
      ],
      "sources" : [
        "APIError.swift",
        "APIRequest.swift",
        "APIStub.swift",
        "BaseRequest.swift",
        "Combine.swift",
        "Concurrency.swift",
        "DownloadAPIRequest.swift",
        "Exports.swift",
        "NetworkActivityPlugin.swift",
        "NetworkLoggerPlugin.swift",
        "Plugin.swift",
        "Serialization.swift",
        "TRON.swift",
        "TRONCodable.swift",
        "URLBuilder.swift",
        "UploadAPIRequest.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "RxTRON",
      "module_type" : "SwiftTarget",
      "name" : "RxTRON",
      "path" : "Source/RxTRON",
      "product_dependencies" : [
        "RxSwift"
      ],
      "product_memberships" : [
        "RxTRON"
      ],
      "sources" : [
        "Tron+RxSwift.swift"
      ],
      "target_dependencies" : [
        "TRON"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/ReactiveX/RxSwift.git
Fetching https://github.com/SwiftyJSON/SwiftyJSON.git
Fetching https://github.com/Alamofire/Alamofire.git
[1/6126] Fetching swiftyjson
[5392/36263] Fetching swiftyjson, alamofire
[8840/88946] Fetching swiftyjson, alamofire, rxswift
Fetched https://github.com/SwiftyJSON/SwiftyJSON.git from cache (4.88s)
Fetched https://github.com/Alamofire/Alamofire.git from cache (4.96s)
Fetched https://github.com/ReactiveX/RxSwift.git from cache (5.05s)
Computing version for https://github.com/SwiftyJSON/SwiftyJSON.git
Computed https://github.com/SwiftyJSON/SwiftyJSON.git at 5.0.2 (5.62s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.9.0 (0.56s)
Computing version for https://github.com/Alamofire/Alamofire.git
Computed https://github.com/Alamofire/Alamofire.git at 5.10.2 (0.54s)
Creating working copy for https://github.com/Alamofire/Alamofire.git
Working copy of https://github.com/Alamofire/Alamofire.git resolved at 5.10.2
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 6.9.0
Creating working copy for https://github.com/SwiftyJSON/SwiftyJSON.git
Working copy of https://github.com/SwiftyJSON/SwiftyJSON.git resolved at 5.0.2
Building for debugging...
[0/10] Write sources
[0/10] Copying PrivacyInfo.xcprivacy
[6/10] Write sources
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/196] Emitting module Alamofire
[12/201] Emitting module RxSwift
[13/221] Compiling SwiftyJSON resource_bundle_accessor.swift
[14/221] Compiling RxSwift AsSingle.swift
[15/221] Compiling RxSwift AsyncLock.swift
[16/221] Compiling RxSwift AsyncSubject.swift
[17/221] Compiling RxSwift AtomicInt.swift
[18/221] Compiling RxSwift Bag+Rx.swift
[19/221] Compiling RxSwift Bag.swift
[20/221] Compiling Alamofire RetryPolicy.swift
[21/221] Compiling Alamofire ServerTrustEvaluation.swift
[22/221] Compiling Alamofire URLEncodedFormEncoder.swift
[23/221] Compiling Alamofire Validation.swift
[24/221] Compiling Alamofire resource_bundle_accessor.swift
[25/221] Compiling RxSwift CombineLatest.swift
[26/221] Compiling RxSwift CompactMap.swift
[27/221] Compiling RxSwift Completable+AndThen.swift
[28/221] Compiling RxSwift Completable.swift
[29/221] Compiling RxSwift CompositeDisposable.swift
[30/221] Compiling RxSwift Concat.swift
[31/221] Compiling RxSwift ConcurrentDispatchQueueScheduler.swift
[32/221] Compiling RxSwift ConcurrentMainScheduler.swift
[33/221] Compiling RxSwift ConnectableObservableType.swift
[34/221] Compiling RxSwift Create.swift
[35/221] Compiling RxSwift CurrentThreadScheduler.swift
[36/221] Compiling RxSwift Date+Dispatch.swift
[37/221] Compiling RxSwift Debounce.swift
[38/221] Compiling RxSwift Debug.swift
[39/221] Compiling RxSwift Decode.swift
[40/221] Compiling RxSwift DefaultIfEmpty.swift
[41/221] Compiling RxSwift Deferred.swift
[51/221] Emitting module SwiftyJSON
[52/221] Compiling SwiftyJSON SwiftyJSON.swift
/host/spi-builder-workspace/.build/checkouts/SwiftyJSON/Source/SwiftyJSON/SwiftyJSON.swift:1215:51: error: ambiguous use of operator '<'
1213 |
1214 |     switch (lhs.type, rhs.type) {
1215 |     case (.number, .number): return lhs.rawNumber < rhs.rawNumber
     |                                                   `- error: ambiguous use of operator '<'
1216 |     case (.string, .string): return lhs.rawString < rhs.rawString
1217 |     default:                 return false
     :
1249 | }
1250 |
1251 | func < (lhs: NSNumber, rhs: NSNumber) -> Bool {
     |      `- note: found this candidate
1252 |
1253 |     switch (lhs.isBool, rhs.isBool) {
Foundation.NSNumber.<:2:20: note: found this candidate in module 'Foundation'
1 | class NSNumber {
2 | public static func < (lhs: NSNumber, rhs: NSNumber) -> Bool}
  |                    `- note: found this candidate in module 'Foundation'
3 |
[53/221] Compiling RxSwift Producer.swift
[54/221] Compiling RxSwift PublishSubject.swift
[55/221] Compiling RxSwift Queue.swift
[56/221] Compiling RxSwift Range.swift
[57/221] Compiling RxSwift Reactive.swift
[58/221] Compiling RxSwift RecursiveLock.swift
[59/221] Compiling RxSwift RecursiveScheduler.swift
[60/221] Compiling RxSwift Reduce.swift
[61/221] Compiling RxSwift RefCountDisposable.swift
[62/221] Compiling RxSwift Repeat.swift
[63/221] Compiling RxSwift ReplaySubject.swift
[64/221] Compiling RxSwift RetryWhen.swift
[65/221] Compiling RxSwift Rx.swift
[66/221] Compiling RxSwift RxMutableBox.swift
[67/221] Compiling RxSwift Sample.swift
[68/221] Compiling RxSwift Scan.swift
[69/221] Compiling RxSwift ScheduledDisposable.swift
[70/221] Compiling RxSwift ScheduledItem.swift
[71/221] Compiling RxSwift ScheduledItemType.swift
[72/221] Compiling RxSwift SchedulerServices+Emulation.swift
[73/221] Compiling RxSwift SchedulerType.swift
[74/221] Compiling RxSwift Sequence.swift
[75/221] Compiling RxSwift SerialDispatchQueueScheduler.swift
[76/221] Compiling RxSwift SerialDisposable.swift
[77/221] Compiling RxSwift ShareReplayScope.swift
[78/221] Compiling RxSwift Single.swift
[79/221] Compiling RxSwift SingleAssignmentDisposable.swift
[80/221] Compiling RxSwift SingleAsync.swift
[81/221] Compiling RxSwift Sink.swift
[82/221] Compiling RxSwift Skip.swift
[83/221] Compiling RxSwift SkipUntil.swift
[84/221] Compiling RxSwift SkipWhile.swift
[85/221] Compiling RxSwift StartWith.swift
[86/221] Compiling RxSwift SubjectType.swift
[87/221] Compiling RxSwift SubscribeOn.swift
[88/221] Compiling RxSwift SubscriptionDisposable.swift
[89/221] Compiling RxSwift SwiftSupport.swift
[90/221] Compiling RxSwift Switch.swift
[91/221] Compiling RxSwift SwitchIfEmpty.swift
[92/221] Compiling RxSwift SynchronizedDisposeType.swift
[94/221] Compiling RxSwift Disposable.swift
[95/221] Compiling RxSwift Disposables.swift
[96/221] Compiling RxSwift DisposeBag.swift
[97/221] Compiling RxSwift DisposeBase.swift
[98/221] Compiling RxSwift DistinctUntilChanged.swift
[99/221] Compiling RxSwift Do.swift
[100/221] Compiling RxSwift ElementAt.swift
[101/221] Compiling RxSwift Empty.swift
[102/221] Compiling RxSwift Enumerated.swift
[103/221] Compiling RxSwift Error.swift
[104/221] Compiling RxSwift Errors.swift
[105/221] Compiling RxSwift Event.swift
[106/221] Compiling RxSwift Filter.swift
[107/221] Compiling RxSwift First.swift
[108/221] Compiling RxSwift Generate.swift
[109/221] Compiling RxSwift GroupBy.swift
[110/221] Compiling RxSwift GroupedObservable.swift
[111/221] Compiling RxSwift HistoricalScheduler.swift
[112/221] Compiling RxSwift HistoricalSchedulerTimeConverter.swift
[113/221] Compiling RxSwift ImmediateSchedulerType.swift
[114/221] Compiling RxSwift AddRef.swift
[115/221] Compiling RxSwift Amb.swift
[116/221] Compiling RxSwift AnonymousDisposable.swift
[117/221] Compiling RxSwift AnonymousObserver.swift
[118/221] Compiling RxSwift AnyObserver.swift
[119/221] Compiling RxSwift AsMaybe.swift
[120/221] Compiling RxSwift Infallible+CombineLatest+Collection.swift
[121/221] Compiling RxSwift Infallible+CombineLatest+arity.swift
[122/221] Compiling RxSwift Infallible+Concurrency.swift
[123/221] Compiling RxSwift Infallible+Create.swift
[124/221] Compiling RxSwift Infallible+Debug.swift
[125/221] Compiling RxSwift Infallible+Operators.swift
[126/221] Compiling RxSwift Infallible+Zip+arity.swift
[127/221] Compiling RxSwift Infallible.swift
[128/221] Compiling RxSwift InfiniteSequence.swift
[129/221] Compiling RxSwift InvocableScheduledItem.swift
[130/221] Compiling RxSwift InvocableType.swift
[131/221] Compiling RxSwift Just.swift
[132/221] Compiling RxSwift Lock.swift
[133/221] Compiling RxSwift LockOwnerType.swift
[134/221] Compiling RxSwift MainScheduler.swift
[135/221] Compiling RxSwift Map.swift
[136/221] Compiling RxSwift Materialize.swift
[137/221] Compiling RxSwift Maybe.swift
[138/221] Compiling RxSwift Merge.swift
[139/221] Compiling RxSwift Multicast.swift
[140/221] Compiling RxSwift Never.swift
[141/221] Compiling RxSwift NopDisposable.swift
[142/221] Compiling RxSwift Observable+Concurrency.swift
[143/221] Compiling RxSwift Observable.swift
[144/221] Compiling RxSwift ObservableConvertibleType+Infallible.swift
[145/221] Compiling RxSwift ObservableConvertibleType.swift
[146/221] Compiling RxSwift ObservableType+Extensions.swift
[147/221] Compiling RxSwift ObservableType+PrimitiveSequence.swift
[148/221] Compiling RxSwift ObservableType.swift
[149/221] Compiling RxSwift ObserveOn.swift
[150/221] Compiling RxSwift ObserverBase.swift
[151/221] Compiling RxSwift ObserverType.swift
[152/221] Compiling RxSwift OperationQueueScheduler.swift
[153/221] Compiling RxSwift Optional.swift
[154/221] Compiling RxSwift Platform.Darwin.swift
[155/221] Compiling RxSwift Platform.Linux.swift
[156/221] Compiling RxSwift PrimitiveSequence+Concurrency.swift
[157/221] Compiling RxSwift PrimitiveSequence+Zip+arity.swift
[158/221] Compiling RxSwift PrimitiveSequence.swift
[159/221] Compiling RxSwift PriorityQueue.swift
[172/221] Compiling RxSwift BehaviorSubject.swift
[173/221] Compiling RxSwift BinaryDisposable.swift
[174/221] Compiling RxSwift Binder.swift
[175/221] Compiling RxSwift BooleanDisposable.swift
[176/221] Compiling RxSwift Buffer.swift
[178/221] Compiling RxSwift Cancelable.swift
[180/221] Compiling RxSwift Catch.swift
[181/221] Compiling RxSwift CombineLatest+Collection.swift
[183/221] Compiling RxSwift CombineLatest+arity.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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
[2/187] Compiling SwiftyJSON resource_bundle_accessor.swift
[3/187] Compiling SwiftyJSON SwiftyJSON.swift
/host/spi-builder-workspace/.build/checkouts/SwiftyJSON/Source/SwiftyJSON/SwiftyJSON.swift:1215:51: error: ambiguous use of operator '<'
1213 |
1214 |     switch (lhs.type, rhs.type) {
1215 |     case (.number, .number): return lhs.rawNumber < rhs.rawNumber
     |                                                   `- error: ambiguous use of operator '<'
1216 |     case (.string, .string): return lhs.rawString < rhs.rawString
1217 |     default:                 return false
     :
1249 | }
1250 |
1251 | func < (lhs: NSNumber, rhs: NSNumber) -> Bool {
     |      `- note: found this candidate
1252 |
1253 |     switch (lhs.isBool, rhs.isBool) {
Foundation.NSNumber.<:2:20: note: found this candidate in module 'Foundation'
1 | class NSNumber {
2 | public static func < (lhs: NSNumber, rhs: NSNumber) -> Bool}
  |                    `- note: found this candidate in module 'Foundation'
3 |
[4/187] Emitting module SwiftyJSON
BUILD FAILURE 6.1 linux