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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 ReactiveCollectionsKit, reference 0.1.8 (557c22), with Swift 6.0 for macOS (SPM) on 2 Dec 2024 23:04:36 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.58.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jessesquires/ReactiveCollectionsKit.git
Reference: 0.1.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jessesquires/ReactiveCollectionsKit
 * tag               0.1.8      -> FETCH_HEAD
HEAD is now at 557c222 [0.1.8] re-gen docs
Cloned https://github.com/jessesquires/ReactiveCollectionsKit.git
Revision (git rev-parse @):
557c2229dce66b385ff8d43776b53d37df183f0c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/jessesquires/ReactiveCollectionsKit.git at 0.1.8
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:47:10: warning: Remove after Swift 6 language mode
45 | )
46 |
47 | #warning("Remove after Swift 6 language mode")
   |          `- warning: Remove after Swift 6 language mode
48 | let swiftSettings = [
49 |     SwiftSetting.enableExperimentalFeature("StrictConcurrency")
========================================
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": "reactivecollectionskit",
      "name": "ReactiveCollectionsKit",
      "url": "https://github.com/jessesquires/ReactiveCollectionsKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ReactiveCollectionsKit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/jessesquires/ReactiveCollectionsKit.git
[1/4974] Fetching reactivecollectionskit
Fetched https://github.com/jessesquires/ReactiveCollectionsKit.git from cache (1.62s)
warning: 'reactivecollectionskit': /Package.swift:47:10: warning: Remove after Swift 6 language mode
45 | )
46 |
47 | #warning("Remove after Swift 6 language mode")
   |          `- warning: Remove after Swift 6 language mode
48 | let swiftSettings = [
49 |     SwiftSetting.enableExperimentalFeature("StrictConcurrency")
Creating working copy for https://github.com/jessesquires/ReactiveCollectionsKit.git
Working copy of https://github.com/jessesquires/ReactiveCollectionsKit.git resolved at 0.1.8 (557c222)
warning: 'reactivecollectionskit': /Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ReactiveCollectionsKit/Package.swift:47:10: warning: Remove after Swift 6 language mode
45 | )
46 |
47 | #warning("Remove after Swift 6 language mode")
   |          `- warning: Remove after Swift 6 language mode
48 | let swiftSettings = [
49 |     SwiftSetting.enableExperimentalFeature("StrictConcurrency")
warning: '.resolve-product-dependencies': dependency 'reactivecollectionskit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/jessesquires/ReactiveCollectionsKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReactiveCollectionsKit",
  "name" : "ReactiveCollectionsKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "ReactiveCollectionsKit",
      "targets" : [
        "ReactiveCollectionsKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ReactiveCollectionsKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveCollectionsKitTests",
      "path" : "Tests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/Fakes/FakeCellNib.xib",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/Fakes/FakeSupplementaryNib.xib",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Fakes/FakeCellEventCoordinator.swift",
        "Fakes/FakeCellNibView.swift",
        "Fakes/FakeCellViewModel.swift",
        "Fakes/FakeCollectionView.swift",
        "Fakes/FakeCollectionViewController.swift",
        "Fakes/FakeCollectionViewModel.swift",
        "Fakes/FakeEmptyView.swift",
        "Fakes/FakeFlowLayoutDelegate.swift",
        "Fakes/FakeLayout.swift",
        "Fakes/FakeNumberModel.swift",
        "Fakes/FakeScrollViewDelegate.swift",
        "Fakes/FakeSupplementaryNibView.swift",
        "Fakes/FakeSupplementaryViewModel.swift",
        "Fakes/FakeTextModel.swift",
        "TestCellEventCoordinator.swift",
        "TestCellViewModel.swift",
        "TestCollectionExtensions.swift",
        "TestCollectionViewConstants.swift",
        "TestCollectionViewDriver.swift",
        "TestCollectionViewDriverOptions.swift",
        "TestCollectionViewDriverReconfigure.swift",
        "TestCollectionViewModel.swift",
        "TestDebugDescriptionCollection.swift",
        "TestDebugDescriptionSection.swift",
        "TestDiffableSnapshot.swift",
        "TestEmptyView.swift",
        "TestFlowLayoutDelegate.swift",
        "TestScrollViewDelegate.swift",
        "TestSectionViewModel.swift",
        "TestSupplementaryViewModel.swift",
        "TestViewRegistration.swift",
        "TestViewRegistrationMethod.swift",
        "TestViewRegistrationViewType.swift",
        "Utils/CollectionViewDriverOptions+Extensions.swift",
        "Utils/String+Extensions.swift",
        "Utils/TestBundle.swift",
        "Utils/TestExpectationField.swift",
        "Utils/UnitTestCase.swift",
        "Utils/XCTestCase+Extensions.swift",
        "Utils/XCTestExpectation+Expectations.swift"
      ],
      "target_dependencies" : [
        "ReactiveCollectionsKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReactiveCollectionsKit",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveCollectionsKit",
      "path" : "Sources",
      "product_memberships" : [
        "ReactiveCollectionsKit"
      ],
      "sources" : [
        "CellEventCoordinator.swift",
        "CellViewModel.swift",
        "Collection+Extensions.swift",
        "CollectionViewConstants.swift",
        "CollectionViewDriver.swift",
        "CollectionViewDriverOptions.swift",
        "CollectionViewModel.swift",
        "DebugDescriptions.swift",
        "DiffableDataSource.swift",
        "DiffableSnapshot.swift",
        "DiffableViewModel.swift",
        "EmptyViewProvider.swift",
        "SectionViewModel.swift",
        "SupplementaryFooterViewModel.swift",
        "SupplementaryHeaderViewModel.swift",
        "SupplementaryViewModel.swift",
        "UICollectionView+Extensions.swift",
        "ViewRegistration.swift",
        "ViewRegistrationMethod.swift",
        "ViewRegistrationProvider.swift",
        "ViewRegistrationViewType.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/22] Emitting module ReactiveCollectionsKit
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[4/24] Compiling ReactiveCollectionsKit SupplementaryFooterViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[5/24] Compiling ReactiveCollectionsKit SupplementaryHeaderViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[6/24] Compiling ReactiveCollectionsKit ViewRegistrationProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[7/24] Compiling ReactiveCollectionsKit ViewRegistrationViewType.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[8/24] Compiling ReactiveCollectionsKit CellEventCoordinator.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[9/24] Compiling ReactiveCollectionsKit CellViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[10/24] Compiling ReactiveCollectionsKit Collection+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[11/24] Compiling ReactiveCollectionsKit DiffableSnapshot.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[12/24] Compiling ReactiveCollectionsKit DiffableViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[13/24] Compiling ReactiveCollectionsKit CollectionViewConstants.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[14/24] Compiling ReactiveCollectionsKit CollectionViewDriver.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[15/24] Compiling ReactiveCollectionsKit EmptyViewProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[16/24] Compiling ReactiveCollectionsKit SectionViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[17/24] Compiling ReactiveCollectionsKit CollectionViewDriverOptions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[18/24] Compiling ReactiveCollectionsKit CollectionViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[19/24] Compiling ReactiveCollectionsKit SupplementaryViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[20/24] Compiling ReactiveCollectionsKit UICollectionView+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[21/24] Compiling ReactiveCollectionsKit ViewRegistration.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[22/24] Compiling ReactiveCollectionsKit ViewRegistrationMethod.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[23/24] Compiling ReactiveCollectionsKit DebugDescriptions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
[24/24] Compiling ReactiveCollectionsKit DiffableDataSource.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellEventCoordinator.swift:15:8: error: no such module 'UIKit'
13 |
14 | import Foundation
15 | import UIKit
   |        `- error: no such module 'UIKit'
16 |
17 | /// Conforming objects are responsible for handling various cell events.
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:47:10: warning: Remove after Swift 6 language mode
45 | )
46 |
47 | #warning("Remove after Swift 6 language mode")
   |          `- warning: Remove after Swift 6 language mode
48 | let swiftSettings = [
49 |     SwiftSetting.enableExperimentalFeature("StrictConcurrency")
BUILD FAILURE 6.0 macosSpm