Build Information
Failed to build StableCollectionViewLayout, reference main (b41508), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 14:14:01 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 4.70.0
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 b415081 Create swift.yml
Cloned https://github.com/aimalygin/StableCollectionViewLayout.git
Revision (git rev-parse @):
b415081baf959c00302243fa258d7784647411a0
SUCCESS checkout https://github.com/aimalygin/StableCollectionViewLayout.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": "stablecollectionviewlayout",
"name": "StableCollectionViewLayout",
"url": "https://github.com/aimalygin/StableCollectionViewLayout.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/StableCollectionViewLayout",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/aimalygin/StableCollectionViewLayout.git
[1/364] Fetching stablecollectionviewlayout
Fetched https://github.com/aimalygin/StableCollectionViewLayout.git from cache (1.12s)
Creating working copy for https://github.com/aimalygin/StableCollectionViewLayout.git
Working copy of https://github.com/aimalygin/StableCollectionViewLayout.git resolved at main (b415081)
warning: '.resolve-product-dependencies': dependency 'stablecollectionviewlayout' is not used by any target
Found 0 product dependencies
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/aimalygin/StableCollectionViewLayout.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)
[3/14] 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 {
[4/14] 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 {
[5/14] 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 {
[6/14] 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 {
[7/15] 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 {
[8/15] 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 {
[9/15] 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 {
[10/15] 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 {
[11/15] 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 {
[12/15] 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 {
[13/15] 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 {
[14/15] 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 {
[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 {
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Info.plist
BUILD FAILURE 6.3 macosSpm