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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 RxReachability, reference develop (96c07f), with Swift 6.1 for Linux on 27 Apr 2025 03:43:54 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/RxSwiftCommunity/RxReachability.git
Reference: develop
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/RxSwiftCommunity/RxReachability
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 96c07f7 example pod update
Cloned https://github.com/RxSwiftCommunity/RxReachability.git
Revision (git rev-parse @):
96c07f7cc596ac6651c5628b0e7c0d776c99d8da
SUCCESS checkout https://github.com/RxSwiftCommunity/RxReachability.git at develop
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/RxSwiftCommunity/RxReachability.git
https://github.com/RxSwiftCommunity/RxReachability.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift"
    },
    {
      "identity" : "reachability.swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ashleymills/Reachability.swift"
    }
  ],
  "manifest_display_name" : "RxReachability",
  "name" : "RxReachability",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "RxReachability",
      "targets" : [
        "RxReachability"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RxReachabilityTests",
      "module_type" : "SwiftTarget",
      "name" : "RxReachabilityTests",
      "path" : "Tests/RxReachabilityTests",
      "product_dependencies" : [
        "RxBlocking"
      ],
      "sources" : [
        "RxReachabilityTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RxReachability"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RxReachability",
      "module_type" : "SwiftTarget",
      "name" : "RxReachability",
      "path" : "Sources/RxReachability",
      "product_dependencies" : [
        "RxSwift",
        "Reachability",
        "RxCocoa"
      ],
      "product_memberships" : [
        "RxReachability"
      ],
      "sources" : [
        "ObservableType+Reachability.swift",
        "Reachability+Rx.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/ashleymills/Reachability.swift
Fetching https://github.com/ReactiveX/RxSwift
[1/1908] Fetching reachability.swift
Fetched https://github.com/ashleymills/Reachability.swift from cache (0.23s)
[1/52683] Fetching rxswift
Fetched https://github.com/ReactiveX/RxSwift from cache (4.02s)
Computing version for https://github.com/ashleymills/Reachability.swift
Computed https://github.com/ashleymills/Reachability.swift at 5.2.4 (4.47s)
Computing version for https://github.com/ReactiveX/RxSwift
Computed https://github.com/ReactiveX/RxSwift at 6.9.0 (0.44s)
Creating working copy for https://github.com/ashleymills/Reachability.swift
Working copy of https://github.com/ashleymills/Reachability.swift resolved at 5.2.4
Creating working copy for https://github.com/ReactiveX/RxSwift
Working copy of https://github.com/ReactiveX/RxSwift resolved at 6.9.0
warning: 'reachability.swift': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Info.plist
Building for debugging...
[0/10] Copying PrivacyInfo.xcprivacy
[0/10] Write sources
[7/10] Copying PrivacyInfo.xcprivacy
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/157] Compiling RxSwift DispatchQueueConfiguration.swift
[12/157] Compiling RxSwift Disposable.swift
[13/157] Compiling RxSwift Disposables.swift
[14/157] Compiling RxSwift DisposeBag.swift
[15/157] Compiling RxSwift DisposeBase.swift
[16/157] Compiling RxSwift DistinctUntilChanged.swift
[17/157] Compiling RxSwift Do.swift
[18/157] Compiling RxSwift ElementAt.swift
[19/157] Compiling RxSwift Empty.swift
[20/157] Compiling RxSwift Enumerated.swift
[21/157] Compiling RxSwift Error.swift
[22/157] Compiling RxSwift Errors.swift
[23/157] Compiling RxSwift Event.swift
[24/157] Compiling RxSwift Filter.swift
[25/157] Compiling RxSwift First.swift
[26/157] Compiling RxSwift Generate.swift
[27/157] Compiling RxSwift GroupBy.swift
[28/157] Compiling RxSwift GroupedObservable.swift
[29/157] Compiling RxSwift HistoricalScheduler.swift
[30/157] Compiling RxSwift HistoricalSchedulerTimeConverter.swift
[31/157] Compiling RxSwift ImmediateSchedulerType.swift
[32/157] Compiling Reachability Reachability.swift
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
[33/157] Compiling Reachability resource_bundle_accessor.swift
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/157] Emitting module Reachability
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
[35/177] Emitting module RxSwift
[36/177] Compiling RxSwift SchedulerType.swift
[37/177] Compiling RxSwift Sequence.swift
[38/177] Compiling RxSwift SerialDispatchQueueScheduler.swift
[39/177] Compiling RxSwift SerialDisposable.swift
[40/177] Compiling RxSwift ShareReplayScope.swift
[41/177] Compiling RxSwift Single.swift
[42/177] Compiling RxSwift SingleAssignmentDisposable.swift
[43/177] Compiling RxSwift SingleAsync.swift
[44/177] Compiling RxSwift Sink.swift
[45/177] Compiling RxSwift Skip.swift
[46/177] Compiling RxSwift SkipUntil.swift
[47/177] Compiling RxSwift SkipWhile.swift
[48/177] Compiling RxSwift StartWith.swift
[49/177] Compiling RxSwift SubjectType.swift
[50/177] Compiling RxSwift SubscribeOn.swift
[51/177] Compiling RxSwift SubscriptionDisposable.swift
[52/177] Compiling RxSwift SwiftSupport.swift
[53/177] Compiling RxSwift Switch.swift
[54/177] Compiling RxSwift SwitchIfEmpty.swift
[55/177] Compiling RxSwift SynchronizedDisposeType.swift
[56/177] Compiling RxSwift CombineLatest.swift
[57/177] Compiling RxSwift CompactMap.swift
[58/177] Compiling RxSwift Completable+AndThen.swift
[59/177] Compiling RxSwift Completable.swift
[60/177] Compiling RxSwift CompositeDisposable.swift
[61/177] Compiling RxSwift Concat.swift
[62/177] Compiling RxSwift ConcurrentDispatchQueueScheduler.swift
[63/177] Compiling RxSwift ConcurrentMainScheduler.swift
[64/177] Compiling RxSwift ConnectableObservableType.swift
[65/177] Compiling RxSwift Create.swift
[66/177] Compiling RxSwift CurrentThreadScheduler.swift
[67/177] Compiling RxSwift Date+Dispatch.swift
[68/177] Compiling RxSwift Debounce.swift
[69/177] Compiling RxSwift Debug.swift
[70/177] Compiling RxSwift Decode.swift
[71/177] Compiling RxSwift DefaultIfEmpty.swift
[72/177] Compiling RxSwift Deferred.swift
[73/177] Compiling RxSwift Delay.swift
[74/177] Compiling RxSwift DelaySubscription.swift
[75/177] Compiling RxSwift Dematerialize.swift
[76/177] Compiling RxSwift DispatchQueue+Extensions.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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
warning: 'reachability.swift': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Info.plist
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/148] Emitting module Reachability
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
[3/148] Compiling Reachability resource_bundle_accessor.swift
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
[4/148] Compiling Reachability Reachability.swift
/host/spi-builder-workspace/.build/checkouts/Reachability.swift/Sources/Reachability.swift:28:8: error: no such module 'SystemConfiguration'
 26 | */
 27 |
 28 | import SystemConfiguration
    |        `- error: no such module 'SystemConfiguration'
 29 | import Foundation
 30 |
BUILD FAILURE 6.1 linux