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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

Successful build of Mobius with Swift 5.9 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/spotify/Mobius.swift.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/spotify/Mobius.swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 315a69a Update copyright (#208)
Cloned https://github.com/spotify/Mobius.swift.git
Revision (git rev-parse @):
315a69a3dbf85eccd12663d25e37361b6a7e1e03
SUCCESS checkout https://github.com/spotify/Mobius.swift.git at master
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git from cache
Fetching https://github.com/pointfreeco/swift-case-paths from cache
Fetching https://github.com/Quick/Nimble from cache
Fetched https://github.com/pointfreeco/swift-case-paths (0.19s)
Fetching https://github.com/mattgallagher/CwlCatchException.git from cache
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.34s)
Fetching https://github.com/Quick/Quick from cache
Fetched https://github.com/Quick/Nimble (0.35s)
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.16s)
Fetched https://github.com/Quick/Quick (0.20s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 5.0.1 (0.02s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 10.0.0 (0.02s)
Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 0.10.1 (0.03s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.1.0 (0.35s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.0.0 (0.47s)
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 0.10.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.1.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.0.0
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 10.0.0
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 5.0.1
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "mobius.swift",
      "name": "Mobius",
      "url": "https://github.com/spotify/Mobius.swift.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Mobius.swift",
      "dependencies": [
        {
          "identity": "swift-case-paths",
          "name": "swift-case-paths",
          "url": "https://github.com/pointfreeco/swift-case-paths",
          "version": "0.10.1",
          "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-case-paths",
          "dependencies": [
          ]
        },
        {
          "identity": "nimble",
          "name": "Nimble",
          "url": "https://github.com/Quick/Nimble",
          "version": "10.0.0",
          "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Nimble",
          "dependencies": [
            {
              "identity": "cwlpreconditiontesting",
              "name": "CwlPreconditionTesting",
              "url": "https://github.com/mattgallagher/CwlPreconditionTesting.git",
              "version": "2.2.0",
              "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CwlPreconditionTesting",
              "dependencies": [
                {
                  "identity": "cwlcatchexception",
                  "name": "CwlCatchException",
                  "url": "https://github.com/mattgallagher/CwlCatchException.git",
                  "version": "2.1.2",
                  "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CwlCatchException",
                  "dependencies": [
                  ]
                }
              ]
            }
          ]
        },
        {
          "identity": "quick",
          "name": "Quick",
          "url": "https://github.com/Quick/Quick",
          "version": "5.0.1",
          "path": "/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Quick",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/spotify/Mobius.swift.git from cache
Fetched https://github.com/spotify/Mobius.swift.git (0.29s)
Fetching https://github.com/Quick/Quick from cache
Fetching https://github.com/Quick/Nimble from cache
Fetching https://github.com/pointfreeco/swift-case-paths from cache
Fetched https://github.com/pointfreeco/swift-case-paths (0.20s)
Fetched https://github.com/Quick/Quick (0.22s)
Fetched https://github.com/Quick/Nimble (0.22s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 5.0.1 (0.02s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 10.0.0 (0.02s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git from cache
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.14s)
Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 0.10.1 (0.04s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.0 (0.03s)
Fetching https://github.com/mattgallagher/CwlCatchException.git from cache
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.16s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.1.2 (0.02s)
Creating working copy for https://github.com/spotify/Mobius.swift.git
Working copy of https://github.com/spotify/Mobius.swift.git resolved at master
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 10.0.0
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 5.0.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.1.2
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 0.10.1
warning: '.resolve-product-dependencies': dependency 'mobius.swift' is not used by any target
Found 3 product dependencies
  - swift-case-paths
  - Nimble
  - Quick
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $workDir
https://github.com/spotify/Mobius.swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/9] Compiling CwlMachBadInstructionHandler mach_excServer.c
[1/9] Compiling MobiusThrowableAssertion MobiusThrowableAssertion.m
[2/9] Compiling CwlCatchExceptionSupport CwlCatchException.m
[3/11] Compiling CwlMachBadInstructionHandler CwlMachBadInstructionHandler.m
[5/11] Compiling CasePaths Operators.swift
[6/11] Compiling CasePaths EnumReflection.swift
[7/11] Emitting module CwlCatchException
[8/11] Compiling CwlCatchException CwlCatchException.swift
[9/11] Compiling CasePaths CasePaths.swift
[10/11] Emitting module CasePaths
[11/11] Compiling CasePaths CasePath.swift
[12/44] Compiling MobiusCore EventSource.swift
[13/44] Compiling MobiusCore First.swift
[14/44] Compiling MobiusCore Lock.swift
[15/44] Compiling MobiusCore LoggingAdaptors.swift
[16/47] Compiling CwlPreconditionTesting CwlBadInstructionException.swift
[17/47] Compiling MobiusCore ConnectablePublisher.swift
[18/47] Compiling MobiusCore Connection.swift
[19/47] Compiling MobiusCore Consumer.swift
[20/47] Compiling MobiusCore AnonymousDisposable.swift
[21/47] Compiling MobiusCore AsyncDispatchQueueConnectable.swift
[22/47] Compiling MobiusCore AsyncStartStopStateMachine.swift
[23/47] Compiling MobiusCore ConcurrentAccessDetector.swift
[24/47] Compiling MobiusCore Connectable.swift
[25/47] Emitting module MobiusCore
[26/47] Compiling MobiusCore EffectExecutor.swift
[27/47] Compiling MobiusCore EffectHandler.swift
[28/47] Compiling MobiusCore EffectRouter.swift
[29/47] Compiling MobiusCore EffectRouterDSL.swift
[30/47] Compiling MobiusCore EnumRoute.swift
[31/47] Compiling MobiusCore ThreadSafeConnectable.swift
[32/47] Compiling MobiusCore AnyEventSource.swift
[33/47] Compiling MobiusCore CompositeEventSourceBuilder.swift
[34/47] Compiling MobiusCore CompositeDisposable.swift
[35/47] Compiling MobiusCore Disposable.swift
[36/47] Compiling MobiusCore Task+Disposable.swift
[37/47] Compiling MobiusCore EffectCallback.swift
[38/47] Compiling MobiusCore Mobius.swift
[39/47] Compiling MobiusCore MobiusController.swift
[40/47] Compiling MobiusCore MobiusHooks.swift
[41/47] Compiling MobiusCore MobiusLogger.swift
[42/47] Emitting module CwlPreconditionTesting
[43/47] Compiling CwlPreconditionTesting CwlDarwinDefinitions.swift
[44/47] Compiling CwlPreconditionTesting CwlCatchBadInstruction.swift
[45/47] Compiling MobiusCore MobiusLoop.swift
[46/47] Compiling MobiusCore Next.swift
[47/47] Compiling MobiusCore WorkBag.swift
[48/112] Compiling MobiusExtras EventSourceMap.swift
[49/112] Compiling MobiusExtras Copyable.swift
[50/112] Compiling MobiusExtras ConnectableMap.swift
[51/112] Compiling MobiusExtras ConnectableContramap.swift
[52/112] Compiling MobiusExtras SimpleLogger.swift
[53/112] Emitting module MobiusExtras
[54/112] Compiling MobiusExtras BeginnerLoop.swift
[55/112] Compiling MobiusExtras ConnectableClass.swift
[56/112] Compiling MobiusTest InitSpec.swift
[57/112] Compiling MobiusTest UpdateSpec.swift
[58/112] Compiling MobiusTest SimpleDiff.swift
[59/112] Compiling MobiusTest FirstMatchers.swift
[60/112] Emitting module Nimble
[61/115] Compiling MobiusTest MatcherUtils.swift
[62/115] Compiling MobiusTest NextMatchers.swift
[63/118] Compiling Nimble AdapterProtocols.swift
[64/118] Compiling Nimble AssertionDispatcher.swift
[65/118] Compiling Nimble AssertionRecorder.swift
[66/118] Compiling Nimble NMBExpectation.swift
[67/118] Compiling Nimble NimbleEnvironment.swift
[68/118] Compiling Nimble NimbleXCTestHandler.swift
[69/118] Compiling Nimble ExceptionCapture.swift
[70/118] Emitting module MobiusTest
[71/118] Compiling MobiusTest DebugDiff.swift
[72/118] Compiling Nimble BeIdenticalTo.swift
[73/118] Compiling Nimble BeLessThan.swift
[74/118] Compiling Nimble BeLessThanOrEqual.swift
[75/118] Compiling Nimble BeLogical.swift
[76/118] Compiling Nimble BeNil.swift
[77/118] Compiling Nimble BeResult.swift
[78/118] Compiling Nimble BeVoid.swift
[79/118] Compiling Nimble BeWithin.swift
[80/118] Compiling Nimble BeginWith.swift
[81/118] Compiling Nimble BeginWithPrefix.swift
[82/118] Compiling Nimble Contain.swift
[83/118] Compiling Nimble ContainElementSatisfying.swift
[84/118] Compiling Nimble ElementsEqual.swift
[85/118] Compiling Nimble EndWith.swift
[86/118] Compiling Nimble Predicate.swift
[87/118] Compiling Nimble RaisesException.swift
[88/118] Compiling Nimble SatisfyAllOf.swift
[89/118] Compiling Nimble SatisfyAnyOf.swift
[90/118] Compiling Nimble ThrowAssertion.swift
[91/118] Compiling Nimble ThrowError.swift
[92/118] Compiling Nimble DSL+Wait.swift
[93/118] Compiling Nimble DSL.swift
[94/118] Compiling Nimble Expectation.swift
[95/118] Compiling Nimble ExpectationMessage.swift
[96/118] Compiling Nimble Expression.swift
[97/118] Compiling Nimble FailureMessage.swift
[98/118] Compiling Nimble AllPass.swift
[99/118] Compiling Nimble Async.swift
[100/118] Compiling Nimble BeAKindOf.swift
[101/118] Compiling Nimble BeAnInstanceOf.swift
[102/118] Compiling Nimble BeCloseTo.swift
[103/118] Compiling Nimble BeEmpty.swift
[104/118] Compiling Nimble BeGreaterThan.swift
[105/118] Compiling Nimble BeGreaterThanOrEqualTo.swift
[106/118] Compiling Nimble Equal+Tuple.swift
[107/118] Compiling Nimble Equal.swift
[108/118] Compiling Nimble HaveCount.swift
[109/118] Compiling Nimble Match.swift
[110/118] Compiling Nimble MatchError.swift
[111/118] Compiling Nimble MatcherProtocols.swift
[112/118] Compiling Nimble PostNotification.swift
[113/118] Compiling Nimble ToSucceed.swift
[114/118] Compiling Nimble Await.swift
[115/118] Compiling Nimble DispatchTimeInterval.swift
[116/118] Compiling Nimble Errors.swift
[117/118] Compiling Nimble SourceLocation.swift
[118/118] Compiling Nimble Stringers.swift
[119/121] Compiling MobiusNimble NimbleFirstMatchers.swift
[120/121] Emitting module MobiusNimble
[121/121] Compiling MobiusNimble NimbleNextMatchers.swift
Build complete! (13.06s)
Build complete.
Done.