Swift Package Index

Build Information

Failed to build CellKit, reference main (80cdd7), with Swift 6.3 for Linux on 11 Apr 2026 20:29:41 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/futuredapp/CellKit.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/futuredapp/CellKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 80cdd77 Merge pull request #49 from futuredapp/housekeep/supplementary-kinds
Cloned https://github.com/futuredapp/CellKit.git
Revision (git rev-parse @):
80cdd77e999f0c4266c9fd1392b9bebaeb50e71a
SUCCESS checkout https://github.com/futuredapp/CellKit.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/futuredapp/CellKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/ra1028/DifferenceKit.git
[1/2319] Fetching differencekit
Fetched https://github.com/ra1028/DifferenceKit.git from cache (1.14s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (1.89s)
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/29] Emitting module DifferenceKit
[6/30] Compiling CellKit CollectionSupplementaryViewModel.swift
/host/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 {
[7/30] Compiling CellKit LazyCellProvider.swift
/host/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 {
[8/31] Compiling DifferenceKit AppKitExtension.swift
[9/31] Compiling DifferenceKit UIKitExtension.swift
[10/31] Compiling DifferenceKit Algorithm.swift
[11/31] Compiling DifferenceKit AnyDifferentiable.swift
[12/31] Compiling DifferenceKit ElementPath.swift
[13/31] Compiling DifferenceKit ContentEquatable.swift
[14/31] Compiling DifferenceKit ContentIdentifiable.swift
[15/31] Compiling DifferenceKit Differentiable.swift
[16/31] Compiling DifferenceKit DifferentiableSection.swift
[17/31] Compiling DifferenceKit ArraySection.swift
/host/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 {
[18/31] Compiling DifferenceKit Changeset.swift
/host/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 {
[19/31] Compiling CellKit SupplementaryElementKind.swift
/host/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 {
[20/31] Compiling CellKit LazySupplementaryViewProvider.swift
/host/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 {
[23/31] Compiling DifferenceKit StagedChangeset.swift
[25/32] Compiling CellKit ReusableView.swift
/host/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 {
/host/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 {
/host/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)
[28/32] Emitting module CellKit
/host/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 {
/host/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 {
/host/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 {
/host/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 {
/host/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 {
BUILD FAILURE 6.3 linux