Swift Package Index

Build Information

Failed to build CellKit, reference main (a6f457), with Swift 6.2 for macOS (SPM) on 7 Sep 2026 18:31:03 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/futuredapp/CellKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/futuredapp/CellKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a6f457d Merge pull request #55 from futuredapp/feature/default-main-actor-isolation
Cloned https://github.com/futuredapp/CellKit.git
Revision (git rev-parse @):
a6f457d6d10cfac307814f604a8e24a129553434
SUCCESS checkout https://github.com/futuredapp/CellKit.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/futuredapp/CellKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version--3CB7CFEC50E0D141.txt
[5/29] Compiling CellKit CollectionSupplementaryViewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[6/29] Compiling CellKit LazyCellProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[7/29] Compiling CellKit SupplementaryElementKind.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[8/29] Compiling CellKit LazySupplementaryViewProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[9/30] Compiling CellKit DataSource.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[10/30] Compiling CellKit CollectionReusableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[11/30] Compiling CellKit ReusableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/30] Emitting module CellKit
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[13/30] Compiling DifferenceKit ArraySection.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[14/30] Compiling DifferenceKit Changeset.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[15/30] Compiling CellKit CellModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[16/30] Compiling CellKit CellModelDataSource.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[17/30] Compiling DifferenceKit Algorithm.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
[18/30] Compiling DifferenceKit AnyDifferentiable.swift
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | public final class CollectionReusableView: UICollectionReusableView, CellConfigurable {
Fetching https://github.com/ra1028/DifferenceKit.git
[1/2328] Fetching differencekit
Fetched https://github.com/ra1028/DifferenceKit.git from cache (2.24s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (5.12s)
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
BUILD FAILURE 6.2 macosSpm