Swift Package Index

Build Information

Failed to build StableCollectionViewLayout, reference main (92aaa3), with Swift 6.1 for macOS (SPM) on 25 Jun 2026 08:49:10 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aimalygin/StableCollectionViewLayout.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aimalygin/StableCollectionViewLayout
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 92aaa3a Update CI config
Cloned https://github.com/aimalygin/StableCollectionViewLayout.git
Revision (git rev-parse @):
92aaa3a114cdb5bd70756c047318298ecdd5d911
SUCCESS checkout https://github.com/aimalygin/StableCollectionViewLayout.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/aimalygin/StableCollectionViewLayout.git
https://github.com/aimalygin/StableCollectionViewLayout.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout/Sources",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "CollectionViewDataProvider.swift",
        "CollectionViewUpdateItem.swift",
        "IndexPath+Extension.swift",
        "LayoutAttributesProvider.swift",
        "OffsetController/OffsetController+Extension.swift",
        "OffsetController/OffsetController.swift",
        "OffsetController/OffsetControllerImpl.swift",
        "StableCollectionViewFlowLayout.swift",
        "StableCollectionViewLayout.swift",
        "VisibleIndexesStateController/VisibleIndexesState.swift",
        "VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/14] Compiling StableCollectionViewLayout VisibleIndexesStateController.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[4/14] Compiling StableCollectionViewLayout StableCollectionViewLayout.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[5/14] Compiling StableCollectionViewLayout VisibleIndexesState.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[6/15] Compiling StableCollectionViewLayout StableCollectionViewFlowLayout.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[7/15] Compiling StableCollectionViewLayout OffsetController.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[8/15] Compiling StableCollectionViewLayout OffsetController+Extension.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[9/15] Compiling StableCollectionViewLayout OffsetControllerImpl.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[10/15] Compiling StableCollectionViewLayout IndexPath+Extension.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[11/15] Compiling StableCollectionViewLayout LayoutAttributesProvider.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/15] Emitting module StableCollectionViewLayout
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[13/15] Compiling StableCollectionViewLayout CollectionViewDataProvider.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[14/15] Compiling StableCollectionViewLayout CollectionViewUpdateItem.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[15/15] Compiling StableCollectionViewLayout VisibleIndexesStateControllerImpl.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/13] Compiling StableCollectionViewLayout StableCollectionViewFlowLayout.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[3/13] Compiling StableCollectionViewLayout StableCollectionViewLayout.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[4/13] Compiling StableCollectionViewLayout VisibleIndexesStateController.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[5/13] Compiling StableCollectionViewLayout OffsetController.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[6/13] Compiling StableCollectionViewLayout VisibleIndexesState.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[7/14] Compiling StableCollectionViewLayout OffsetController+Extension.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[8/14] Compiling StableCollectionViewLayout OffsetControllerImpl.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/14] Emitting module StableCollectionViewLayout
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[10/14] Compiling StableCollectionViewLayout IndexPath+Extension.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[11/14] Compiling StableCollectionViewLayout LayoutAttributesProvider.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[12/14] Compiling StableCollectionViewLayout CollectionViewDataProvider.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[13/14] Compiling StableCollectionViewLayout CollectionViewUpdateItem.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
[14/14] Compiling StableCollectionViewLayout VisibleIndexesStateControllerImpl.swift
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
 7 |
 8 | import Foundation
 9 | import UIKit
   |        `- error: no such module 'UIKit'
10 |
11 | public struct CollectionViewUpdateItem: Equatable {
BUILD FAILURE 6.1 macosSpm