FHDiffableViewControllers – Build Information

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 FHDiffableViewControllers, reference master (3aa037), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 02:21:16 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FelixHerrmann/FHDiffableViewControllers.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FelixHerrmann/FHDiffableViewControllers
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3aa0370 typos
Cloned https://github.com/FelixHerrmann/FHDiffableViewControllers.git
Revision (git rev-parse @):
3aa03704fda20f49db2d4fae4cade643f2653e4b
SUCCESS checkout https://github.com/FelixHerrmann/FHDiffableViewControllers.git at master
========================================
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": "fhdiffableviewcontrollers",
      "name": "FHDiffableViewControllers",
      "url": "https://github.com/FelixHerrmann/FHDiffableViewControllers.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/FHDiffableViewControllers",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/FelixHerrmann/FHDiffableViewControllers.git
[1/288] Fetching fhdiffableviewcontrollers
Fetched https://github.com/FelixHerrmann/FHDiffableViewControllers.git from cache (0.61s)
Creating working copy for https://github.com/FelixHerrmann/FHDiffableViewControllers.git
Working copy of https://github.com/FelixHerrmann/FHDiffableViewControllers.git resolved at master (3aa0370)
warning: '.resolve-product-dependencies': dependency 'fhdiffableviewcontrollers' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/FelixHerrmann/FHDiffableViewControllers.git
https://github.com/FelixHerrmann/FHDiffableViewControllers.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FHDiffableViewControllers",
  "name" : "FHDiffableViewControllers",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "FHDiffableViewControllers",
      "targets" : [
        "FHDiffableViewControllers"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FHDiffableViewControllersTests",
      "module_type" : "SwiftTarget",
      "name" : "FHDiffableViewControllersTests",
      "path" : "Tests/FHDiffableViewControllersTests",
      "sources" : [
        "Builder/FHDiffableDataSourceSnapshotItemBuilderTests.swift",
        "Builder/FHDiffableDataSourceSnapshotSectionBuilderTests.swift",
        "FHDiffableCollectionViewControllerTests.swift",
        "FHDiffableTableViewControllersTests.swift",
        "Helpers/CollectionViewController.swift",
        "Helpers/TableViewController.swift"
      ],
      "target_dependencies" : [
        "FHDiffableViewControllers"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FHDiffableViewControllers",
      "module_type" : "SwiftTarget",
      "name" : "FHDiffableViewControllers",
      "path" : "Sources/FHDiffableViewControllers",
      "product_memberships" : [
        "FHDiffableViewControllers"
      ],
      "sources" : [
        "Builder/FHDiffableDataSourceSnapshotItemBuilder.swift",
        "Builder/FHDiffableDataSourceSnapshotSectionBuilder.swift",
        "FHDiffableCollectionViewController.swift",
        "FHDiffableDataSourceSnapshotSection.swift",
        "FHDiffableTableViewController.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/8] Emitting module FHDiffableViewControllers
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[4/8] Compiling FHDiffableViewControllers FHDiffableTableViewController.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[5/8] Compiling FHDiffableViewControllers FHDiffableCollectionViewController.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[6/8] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotSection.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[7/8] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotSectionBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[8/8] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotItemBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/7] Compiling FHDiffableViewControllers FHDiffableTableViewController.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[3/7] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotSection.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/7] Emitting module FHDiffableViewControllers
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[5/7] Compiling FHDiffableViewControllers FHDiffableCollectionViewController.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[6/7] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotSectionBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
[7/7] Compiling FHDiffableViewControllers FHDiffableDataSourceSnapshotItemBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/FHDiffableViewControllers/FHDiffableCollectionViewController.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | /// A subclass of `UICollectionViewController` with diffable data source.
BUILD FAILURE 6.1 macosSpm