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Build Information

Failed to build IGListKit, reference main (54605c), with Swift 6.3 for macOS (SPM) on 1 May 2026 10:19:48 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/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
========================================
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": "iglistkit",
      "name": "IGListKit",
      "url": "https://github.com/Instagram/IGListKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/IGListKit",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Instagram/IGListKit.git
[1/25767] Fetching iglistkit
Fetched https://github.com/Instagram/IGListKit.git from cache (3.09s)
Creating working copy for https://github.com/Instagram/IGListKit.git
Working copy of https://github.com/Instagram/IGListKit.git resolved at main (54605c0)
warning: '.resolve-product-dependencies': dependency 'iglistkit' 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/Instagram/IGListKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/51] Compiling IGListDiffKit NSString+IGListDiffable.m
[1/51] Compiling IGListDiffKit IGListIndexSetResult.m
[2/51] Write sources
[3/51] Compiling IGListDiffKit IGListIndexPathResult.m
[4/51] Compiling IGListDiffKit IGListMoveIndex.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>
      |         ^~~~~~~~~~~~~~~
1 error generated.
[5/51] Compiling IGListKit UIViewController+IGListAdapter.m
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.
[5/51] Compiling IGListKit UIScrollView+IGListKit.m
[5/51] Compiling IGListDiffKit NSNumber+IGListDiffable.m
[5/51] Compiling IGListKit UICollectionViewLayout+InteractiveReordering.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>
      |         ^~~~~~~~~~~~~~~
[5/51] Compiling IGListKit IGListAdapter+DebugDescription.m
[5/51] Compiling IGListDiffKit IGListMoveIndexPath.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>
      |         ^~~~~~~~~~~~~~~
[5/51] Compiling IGListKit IGListAdapter+UICollectionView.m
[5/51] Compiling IGListDiffKit IGListBatchUpdateData.mm
[5/51] Compiling IGListDiffKit IGListDiff.mm
[5/51] Write swift-version--6988338F2F200930.txt
BUILD FAILURE 6.3 macosSpm