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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 5.4.1 (db1529), 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-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/MLSDev/TRON.git
Reference: 5.4.1
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               5.4.1      -> FETCH_HEAD
HEAD is now at db1529b Releasing version 5.4.1.
Cloned https://github.com/MLSDev/TRON.git
Revision (git rev-parse @):
db1529beba9a89461536f40686d7c8b7ccace876
SUCCESS checkout https://github.com/MLSDev/TRON.git at 5.4.1
========================================
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" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "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",
        "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" : "5.0"
}
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/SwiftyJSON/SwiftyJSON.git
Fetching https://github.com/ReactiveX/RxSwift.git
Fetching https://github.com/Alamofire/Alamofire.git
[1/6126] Fetching swiftyjson
[6127/36263] Fetching swiftyjson, alamofire
[9443/88946] Fetching swiftyjson, alamofire, rxswift
Fetched https://github.com/Alamofire/Alamofire.git from cache (3.00s)
Fetched https://github.com/SwiftyJSON/SwiftyJSON.git from cache (5.57s)
Fetched https://github.com/ReactiveX/RxSwift.git from cache (5.76s)
Computing version for https://github.com/SwiftyJSON/SwiftyJSON.git
Computed https://github.com/SwiftyJSON/SwiftyJSON.git at 5.0.2 (6.82s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.9.0 (0.44s)
Computing version for https://github.com/Alamofire/Alamofire.git
Computed https://github.com/Alamofire/Alamofire.git at 5.10.2 (0.46s)
Creating working copy for https://github.com/SwiftyJSON/SwiftyJSON.git
Working copy of https://github.com/SwiftyJSON/SwiftyJSON.git resolved at 5.0.2
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
Building for debugging...
[0/10] Write sources
[0/10] Copying PrivacyInfo.xcprivacy
[3/10] Write sources
[3/10] Copying PrivacyInfo.xcprivacy
[4/10] Write sources
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/196] Emitting module Alamofire
[12/201] Emitting module RxSwift
[13/221] Compiling RxSwift Debounce.swift
[14/221] Compiling RxSwift Debug.swift
[15/221] Compiling RxSwift Decode.swift
[16/221] Compiling RxSwift DefaultIfEmpty.swift
[17/221] Compiling RxSwift Deferred.swift
[18/221] Compiling RxSwift BehaviorSubject.swift
[19/221] Compiling RxSwift BinaryDisposable.swift
[20/221] Compiling RxSwift Binder.swift
[21/221] Compiling RxSwift BooleanDisposable.swift
[22/221] Compiling RxSwift Buffer.swift
[23/221] Compiling RxSwift Cancelable.swift
[24/221] Compiling Alamofire RetryPolicy.swift
[25/221] Compiling Alamofire ServerTrustEvaluation.swift
[26/221] Compiling Alamofire URLEncodedFormEncoder.swift
[27/221] Compiling Alamofire Validation.swift
[28/221] Compiling Alamofire resource_bundle_accessor.swift
[29/221] Compiling RxSwift ConcurrentMainScheduler.swift
[30/221] Compiling RxSwift ConnectableObservableType.swift
[31/221] Compiling RxSwift Create.swift
[32/221] Compiling RxSwift CurrentThreadScheduler.swift
[33/221] Compiling RxSwift Date+Dispatch.swift
[34/221] Emitting module SwiftyJSON
[35/221] Compiling RxSwift Completable+AndThen.swift
[36/221] Compiling RxSwift Completable.swift
[37/221] Compiling RxSwift CompositeDisposable.swift
[38/221] Compiling RxSwift Concat.swift
[39/221] Compiling RxSwift ConcurrentDispatchQueueScheduler.swift
[40/221] Compiling SwiftyJSON resource_bundle_accessor.swift
[41/221] 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 |
[42/221] Compiling RxSwift Catch.swift
[43/221] Compiling RxSwift CombineLatest+Collection.swift
[44/221] Compiling RxSwift CombineLatest+arity.swift
[45/221] Compiling RxSwift CombineLatest.swift
[46/221] Compiling RxSwift CompactMap.swift
[47/221] Compiling RxSwift Infallible+CombineLatest+Collection.swift
[48/221] Compiling RxSwift Infallible+CombineLatest+arity.swift
[49/221] Compiling RxSwift Infallible+Concurrency.swift
[50/221] Compiling RxSwift Infallible+Create.swift
[51/221] Compiling RxSwift Infallible+Debug.swift
[52/221] Compiling RxSwift Infallible+Operators.swift
[53/221] Compiling RxSwift Infallible+Zip+arity.swift
[54/221] Compiling RxSwift Infallible.swift
[55/221] Compiling RxSwift InfiniteSequence.swift
[56/221] Compiling RxSwift InvocableScheduledItem.swift
[57/221] Compiling RxSwift InvocableType.swift
[58/221] Compiling RxSwift Just.swift
[59/221] Compiling RxSwift Lock.swift
[60/221] Compiling RxSwift LockOwnerType.swift
[61/221] Compiling RxSwift MainScheduler.swift
[62/221] Compiling RxSwift Map.swift
[63/221] Compiling RxSwift Materialize.swift
[64/221] Compiling RxSwift Maybe.swift
[65/221] Compiling RxSwift Merge.swift
[66/221] Compiling RxSwift Multicast.swift
[67/221] Compiling RxSwift AsSingle.swift
[68/221] Compiling RxSwift AsyncLock.swift
[69/221] Compiling RxSwift AsyncSubject.swift
[70/221] Compiling RxSwift AtomicInt.swift
[71/221] Compiling RxSwift Bag+Rx.swift
[72/221] Compiling RxSwift Bag.swift
[74/221] Compiling RxSwift Disposable.swift
[75/221] Compiling RxSwift Disposables.swift
[76/221] Compiling RxSwift DisposeBag.swift
[77/221] Compiling RxSwift DisposeBase.swift
[78/221] Compiling RxSwift DistinctUntilChanged.swift
[79/221] Compiling RxSwift Do.swift
[80/221] Compiling RxSwift ElementAt.swift
[81/221] Compiling RxSwift Empty.swift
[82/221] Compiling RxSwift Enumerated.swift
[83/221] Compiling RxSwift Error.swift
[84/221] Compiling RxSwift Errors.swift
[85/221] Compiling RxSwift Event.swift
[86/221] Compiling RxSwift Filter.swift
[87/221] Compiling RxSwift First.swift
[88/221] Compiling RxSwift Generate.swift
[89/221] Compiling RxSwift GroupBy.swift
[90/221] Compiling RxSwift GroupedObservable.swift
[91/221] Compiling RxSwift HistoricalScheduler.swift
[92/221] Compiling RxSwift HistoricalSchedulerTimeConverter.swift
[93/221] Compiling RxSwift ImmediateSchedulerType.swift
[115/221] Compiling RxSwift AddRef.swift
[116/221] Compiling RxSwift Amb.swift
[117/221] Compiling RxSwift AnonymousDisposable.swift
[118/221] Compiling RxSwift AnonymousObserver.swift
[119/221] Compiling RxSwift AnyObserver.swift
[120/221] Compiling RxSwift AsMaybe.swift
[143/222] Compiling RxSwift Never.swift
[144/222] Compiling RxSwift NopDisposable.swift
[145/222] Compiling RxSwift Observable+Concurrency.swift
[146/222] Compiling RxSwift Observable.swift
[147/222] Compiling RxSwift ObservableConvertibleType+Infallible.swift
[148/222] Compiling RxSwift ObservableConvertibleType.swift
[149/222] Compiling RxSwift ObservableType+Extensions.swift
[150/222] Compiling RxSwift ObservableType+PrimitiveSequence.swift
[151/222] Compiling RxSwift ObservableType.swift
[152/222] Compiling RxSwift ObserveOn.swift
[153/222] Compiling RxSwift ObserverBase.swift
[154/222] Compiling RxSwift ObserverType.swift
[155/222] Compiling RxSwift OperationQueueScheduler.swift
[156/222] Compiling RxSwift Optional.swift
[157/222] Compiling RxSwift Platform.Darwin.swift
[158/222] Compiling RxSwift Platform.Linux.swift
[159/222] Compiling RxSwift PrimitiveSequence+Concurrency.swift
[160/222] Compiling RxSwift PrimitiveSequence+Zip+arity.swift
[161/222] Compiling RxSwift PrimitiveSequence.swift
[162/222] Compiling RxSwift PriorityQueue.swift
[163/222] Compiling RxSwift SchedulerType.swift
[164/222] Compiling RxSwift Sequence.swift
[165/222] Compiling RxSwift SerialDispatchQueueScheduler.swift
[166/222] Compiling RxSwift SerialDisposable.swift
[167/222] Compiling RxSwift ShareReplayScope.swift
[168/222] Compiling RxSwift Single.swift
[169/222] Compiling RxSwift SingleAssignmentDisposable.swift
[170/222] Compiling RxSwift SingleAsync.swift
[171/222] Compiling RxSwift Sink.swift
[172/222] Compiling RxSwift Skip.swift
[173/222] Compiling RxSwift SkipUntil.swift
[174/222] Compiling RxSwift SkipWhile.swift
[175/222] Compiling RxSwift StartWith.swift
[176/222] Compiling RxSwift SubjectType.swift
[177/222] Compiling RxSwift SubscribeOn.swift
[178/222] Compiling RxSwift SubscriptionDisposable.swift
[179/222] Compiling RxSwift SwiftSupport.swift
[180/222] Compiling RxSwift Switch.swift
[181/222] Compiling RxSwift SwitchIfEmpty.swift
[182/222] Compiling RxSwift SynchronizedDisposeType.swift
[183/222] Compiling RxSwift Producer.swift
[184/222] Compiling RxSwift PublishSubject.swift
[185/222] Compiling RxSwift Queue.swift
[186/222] Compiling RxSwift Range.swift
[187/222] Compiling RxSwift Reactive.swift
[188/222] Compiling RxSwift RecursiveLock.swift
[189/222] Compiling RxSwift RecursiveScheduler.swift
[190/222] Compiling RxSwift Reduce.swift
[191/222] Compiling RxSwift RefCountDisposable.swift
[192/222] Compiling RxSwift Repeat.swift
[193/222] Compiling RxSwift ReplaySubject.swift
[194/222] Compiling RxSwift RetryWhen.swift
[195/222] Compiling RxSwift Rx.swift
[196/222] Compiling RxSwift RxMutableBox.swift
[197/222] Compiling RxSwift Sample.swift
[198/222] Compiling RxSwift Scan.swift
[199/222] Compiling RxSwift ScheduledDisposable.swift
[200/222] Compiling RxSwift ScheduledItem.swift
[201/222] Compiling RxSwift ScheduledItemType.swift
[202/222] Compiling RxSwift SchedulerServices+Emulation.swift
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
[2/40] Compiling SwiftyJSON resource_bundle_accessor.swift
[3/187] Emitting module SwiftyJSON
[4/187] 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 |
BUILD FAILURE 6.1 linux