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Build Information

Failed to build MagazineLayout, reference v1.7.0 (98784b), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 14:00:28 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/airbnb/MagazineLayout.git
Reference: v1.7.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/MagazineLayout
 * tag               v1.7.0     -> FETCH_HEAD
HEAD is now at 98784b3 Bk/add vertical layout direction target content offset (#114)
Cloned https://github.com/airbnb/MagazineLayout.git
Revision (git rev-parse @):
98784b3b808178783ee6ef2fdb1774e88b0e6b30
SUCCESS checkout https://github.com/airbnb/MagazineLayout.git at v1.7.0
========================================
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": "magazinelayout",
      "name": "MagazineLayout",
      "url": "https://github.com/airbnb/MagazineLayout.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MagazineLayout",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/airbnb/MagazineLayout.git
[1/1814] Fetching magazinelayout
Fetched https://github.com/airbnb/MagazineLayout.git from cache (1.18s)
Creating working copy for https://github.com/airbnb/MagazineLayout.git
Working copy of https://github.com/airbnb/MagazineLayout.git resolved at v1.7.0 (98784b3)
warning: '.resolve-product-dependencies': dependency 'magazinelayout' 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/airbnb/MagazineLayout.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)
[3/29] Emitting module MagazineLayout
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[4/31] Compiling MagazineLayout MagazineLayoutCollectionReusableView.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[5/31] Compiling MagazineLayout MagazineLayoutCollectionViewCell.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[6/31] Compiling MagazineLayout ItemModel.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[7/31] Compiling MagazineLayout ModelState.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[8/31] Compiling MagazineLayout SectionModel.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[9/31] Compiling MagazineLayout BackgroundModel.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[10/31] Compiling MagazineLayout FooterModel.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[11/31] Compiling MagazineLayout HeaderModel.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[12/31] Compiling MagazineLayout MagazineLayoutFooterVisibilityMode.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[13/31] Compiling MagazineLayout MagazineLayoutHeaderVisibilityMode.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[14/31] Compiling MagazineLayout MagazineLayoutItemSizeMode.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[15/31] Compiling MagazineLayout MagazineLayoutVerticalLayoutDirection.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[16/31] Compiling MagazineLayout UICollectionViewDelegateMagazineLayout.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[17/31] Compiling MagazineLayout ScreenPixelAlignment.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[18/31] Compiling MagazineLayout TargetContentOffsetAnchor.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[19/31] Compiling MagazineLayout UITraitCollection+DisplayScale.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[20/31] Compiling MagazineLayout MagazineLayout+Default.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[21/31] Compiling MagazineLayout MagazineLayout+SupplementaryViewKinds.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[22/31] Compiling MagazineLayout MagazineLayoutBackgroundVisibilityMode.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[23/31] Compiling MagazineLayout CollectionViewUpdateItem.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[24/31] Compiling MagazineLayout ElementLocation.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[25/31] Compiling MagazineLayout ElementLocationFramePairs.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[26/31] Compiling MagazineLayout MagazineLayoutItemWidthMode+WidthDivisor.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[27/31] Compiling MagazineLayout MagazineLayoutSectionMetrics.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[28/31] Compiling MagazineLayout RowOffsetTracker.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[29/31] Compiling MagazineLayout MagazineLayout.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[30/31] Compiling MagazineLayout MagazineLayoutCollectionViewLayoutAttributes.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
[31/31] Compiling MagazineLayout MagazineLayoutInvalidationContext.swift
/Users/admin/builder/spi-builder-workspace/MagazineLayout/LayoutCore/Types/CollectionViewUpdateItem.swift:16:8: error: no such module 'UIKit'
14 | // limitations under the License.
15 |
16 | import UIKit
   |        `- error: no such module 'UIKit'
17 |
18 | /// Represents a collection view update with more type-expressivity than
BUILD FAILURE 6.3 macosSpm