IGListKit – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build IGListKit, reference main (5784f6), with Swift 6.1 for macOS (SPM) on 11 Dec 2025 19:25:22 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Instagram/IGListKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Instagram/IGListKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5784f6d Enable unit test suite for tvOS (#1649)
Cloned https://github.com/Instagram/IGListKit.git
Revision (git rev-parse @):
5784f6db5118566c4ce17f13d64c4490e5a4492c
SUCCESS checkout https://github.com/Instagram/IGListKit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Instagram/IGListKit.git
https://github.com/Instagram/IGListKit.git
{
  "c_language_standard" : "c11",
  "cxx_language_standard" : "c++11",
  "dependencies" : [
  ],
  "manifest_display_name" : "IGListKit",
  "name" : "IGListKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "IGListDiffKit",
      "targets" : [
        "IGListDiffKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "IGListKit",
      "targets" : [
        "IGListKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "IGListSwiftKit",
      "targets" : [
        "IGListSwiftKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "IGListSwiftKit",
      "module_type" : "SwiftTarget",
      "name" : "IGListSwiftKit",
      "path" : "spm/Sources/IGListSwiftKit",
      "product_memberships" : [
        "IGListSwiftKit"
      ],
      "sources" : [
        "IGListAdapter+Async.swift",
        "IGListCollectionContext+Refinements.swift",
        "IGListSingleSectionController+Refinements.swift",
        "ListIdentifiable.swift",
        "ListValueSectionController.swift"
      ],
      "target_dependencies" : [
        "IGListKit"
      ],
      "type" : "library"
    },
    {
      "c99name" : "IGListKit",
      "module_type" : "ClangTarget",
      "name" : "IGListKit",
      "path" : "spm/Sources/IGListKit",
      "product_memberships" : [
        "IGListKit",
        "IGListSwiftKit"
      ],
      "sources" : [
        "IGListAdapter+DebugDescription.m",
        "IGListAdapter+UICollectionView.m",
        "IGListAdapter.m",
        "IGListAdapterDelegateAnnouncer.m",
        "IGListAdapterProxy.m",
        "IGListAdapterUpdater+DebugDescription.m",
        "IGListAdapterUpdater.m",
        "IGListAdapterUpdaterHelpers.m",
        "IGListArrayUtilsInternal.m",
        "IGListBatchUpdateData+DebugDescription.m",
        "IGListBatchUpdateTransaction.m",
        "IGListBindingSectionController+DebugDescription.m",
        "IGListBindingSectionController.m",
        "IGListBindingSingleSectionController.m",
        "IGListCollectionView.m",
        "IGListCollectionViewLayout.mm",
        "IGListCollectionViewLayoutInvalidationContext.m",
        "IGListDataSourceChangeTransaction.m",
        "IGListDebugger.m",
        "IGListDebuggingUtilities.m",
        "IGListDisplayHandler.m",
        "IGListGenericSectionController.m",
        "IGListItemUpdatesCollector.m",
        "IGListPerformDiff.m",
        "IGListReloadDataUpdater.m",
        "IGListReloadIndexPath.m",
        "IGListReloadTransaction.m",
        "IGListSectionController.m",
        "IGListSectionMap+DebugDescription.m",
        "IGListSectionMap.m",
        "IGListSingleSectionController.m",
        "IGListTransitionData.m",
        "IGListUpdateCoalescer.m",
        "IGListUpdateTransactionBuilder.m",
        "IGListViewVisibilityTracker.m",
        "IGListWorkingRangeHandler.mm",
        "UICollectionView+DebugDescription.m",
        "UICollectionView+IGListBatchUpdateData.m",
        "UICollectionViewLayout+InteractiveReordering.m",
        "UIScrollView+IGListKit.m",
        "UIViewController+IGListAdapter.m"
      ],
      "target_dependencies" : [
        "IGListDiffKit"
      ],
      "type" : "library"
    },
    {
      "c99name" : "IGListDiffKit",
      "module_type" : "ClangTarget",
      "name" : "IGListDiffKit",
      "path" : "spm/Sources/IGListDiffKit",
      "product_memberships" : [
        "IGListDiffKit",
        "IGListKit",
        "IGListSwiftKit"
      ],
      "sources" : [
        "IGListBatchUpdateData.mm",
        "IGListDiff.mm",
        "IGListIndexPathResult.m",
        "IGListIndexSetResult.m",
        "IGListMoveIndex.m",
        "IGListMoveIndexPath.m",
        "NSNumber+IGListDiffable.m",
        "NSString+IGListDiffable.m"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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...
[0/51] Write sources
[1/51] Write swift-version-2F0A5646E1D333AE.txt
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIScrollView+IGListKit.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIScrollView+IGListKit.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
1 error generated.
[2/51] Compiling IGListKit UIScrollView+IGListKit.m
[2/51] Compiling IGListDiffKit NSString+IGListDiffable.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapterProxy.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapterProxy.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[2/51] Compiling IGListKit IGListAdapterProxy.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIViewController+IGListAdapter.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/include/UIViewController+IGListAdapter.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[2/51] Compiling IGListKit UIViewController+IGListAdapter.m
[2/51] Compiling IGListKit IGListAdapterDelegateAnnouncer.m
[2/51] Compiling IGListDiffKit IGListMoveIndexPath.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapter.m:8:
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapterInternal.h:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/include/IGListAdapter.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[2/51] Compiling IGListKit IGListAdapter.m
[2/51] Compiling IGListDiffKit IGListIndexPathResult.m
[2/51] Compiling IGListDiffKit NSNumber+IGListDiffable.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapter+UICollectionView.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapter+UICollectionView.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[2/51] Compiling IGListKit IGListAdapter+UICollectionView.m
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIScrollView+IGListKit.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIScrollView+IGListKit.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
1 error generated.
[0/50] Compiling IGListKit UIScrollView+IGListKit.m
[0/50] Compiling IGListKit IGListUpdateTransactionBuilder.m
[0/50] Compiling IGListKit IGListWorkingRangeHandler.mm
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionView+DebugDescription.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionView+DebugDescription.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit UICollectionView+DebugDescription.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListUpdateCoalescer.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListUpdateCoalescer.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit IGListUpdateCoalescer.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionViewLayout+InteractiveReordering.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionViewLayout+InteractiveReordering.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit UICollectionViewLayout+InteractiveReordering.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionView+IGListBatchUpdateData.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UICollectionView+IGListBatchUpdateData.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit UICollectionView+IGListBatchUpdateData.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListViewVisibilityTracker.m:8:
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListViewVisibilityTrackerInternal.h:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListViewVisibilityTracker.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit IGListViewVisibilityTracker.m
[0/50] Compiling IGListKit IGListTransitionData.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/UIViewController+IGListAdapter.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/include/UIViewController+IGListAdapter.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[0/50] Compiling IGListKit UIViewController+IGListAdapter.m
BUILD FAILURE 6.1 macosSpm