Swift Package Index

Build Information

Failed to build IGListKit, reference main (54605c), with Swift 6.1 for macOS (SPM) on 1 May 2026 10:19:41 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/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 54605c0 Fix heap corruption crash from concurrent array mutation during diff (#1578)
Cloned https://github.com/Instagram/IGListKit.git
Revision (git rev-parse @):
54605c079a61e154b7bca9b74bc2db0dfd89a6c2
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 swift-version-2F0A5646E1D333AE.txt
[0/51] Write sources
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>
      |         ^~~~~~~~~~~~~~~
1 error generated.
[2/51] Compiling IGListKit UIViewController+IGListAdapter.m
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapter+DebugDescription.m:8:
In file included from /Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapter+DebugDescription.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+DebugDescription.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/IGListAdapterUpdaterHelpers.m:8:
/Users/admin/builder/spi-builder-workspace/spm/Sources/IGListKit/IGListAdapterUpdaterHelpers.h:8:9: fatal error: 'UIKit/UIKit.h' file not found
    8 | #import <UIKit/UIKit.h>
      |         ^~~~~~~~~~~~~~~
[2/51] Compiling IGListKit IGListAdapterUpdaterHelpers.m
[2/51] Compiling IGListKit IGListAdapterDelegateAnnouncer.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
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 IGListMoveIndex.m
[2/51] Compiling IGListDiffKit IGListIndexSetResult.m
[2/51] Compiling IGListDiffKit NSString+IGListDiffable.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
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 IGListTransitionData.m
[0/50] Compiling IGListKit IGListViewVisibilityTracker.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/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
[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/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/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
BUILD FAILURE 6.1 macosSpm