Swift Package Index

Build Information

Failed to build FHDiffableViewControllers, reference master (3aa037), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 06:14:49 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
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",
  "traits": [
    "default"
  ],
  "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",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/FelixHerrmann/FHDiffableViewControllers.git
[1/288] Fetching fhdiffableviewcontrollers
Fetched https://github.com/FelixHerrmann/FHDiffableViewControllers.git from cache (0.60s)
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:             6.3
Building package at path:  $PWD
https://github.com/FelixHerrmann/FHDiffableViewControllers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--6988338F2F200930.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 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.
[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 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.
[7/8] 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.
[8/8] 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.
BUILD FAILURE 6.3 macosSpm