The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CellKit, reference main (80cdd7), with Swift 6.1 for Linux on 26 Apr 2025 03:26:57 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
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:             6.1
Building package at path:  $PWD
https://github.com/futuredapp/CellKit.git
https://github.com/futuredapp/CellKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "differencekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ra1028/DifferenceKit.git"
    }
  ],
  "manifest_display_name" : "CellKit",
  "name" : "CellKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "CellKit",
      "targets" : [
        "CellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DiffableCellKit",
      "targets" : [
        "DiffableCellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DiffableCellKit",
      "module_type" : "SwiftTarget",
      "name" : "DiffableCellKit",
      "path" : "Sources/DiffableCellKit",
      "product_dependencies" : [
        "DifferenceKit"
      ],
      "product_memberships" : [
        "DiffableCellKit"
      ],
      "sources" : [
        "DifferentiableCellModel.swift",
        "DifferentiableCellModelDataSource.swift",
        "DifferentiableCellModelSection.swift"
      ],
      "target_dependencies" : [
        "CellKit"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CellKit",
      "module_type" : "SwiftTarget",
      "name" : "CellKit",
      "path" : "Sources/CellKit",
      "product_memberships" : [
        "CellKit",
        "DiffableCellKit"
      ],
      "sources" : [
        "CellConfigurable.swift",
        "CellConvertible.swift",
        "CellModel.swift",
        "CellModelDataSource.swift",
        "CellModelSection.swift",
        "CellModelSelectable.swift",
        "CollectionReusableView.swift",
        "DataSource.swift",
        "DiffableDataSources/CollectionSupplementaryViewModel.swift",
        "DiffableDataSources/LazyCellProvider.swift",
        "DiffableDataSources/LazySupplementaryViewProvider.swift",
        "DiffableDataSources/SupplementaryElementKind.swift",
        "ReusableView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/ra1028/DifferenceKit.git
[1/2319] Fetching differencekit
Fetched https://github.com/ra1028/DifferenceKit.git from cache (0.53s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (1.12s)
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/29] Emitting module DifferenceKit
[6/30] 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 {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/31] 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 {
[8/31] Compiling DifferenceKit Algorithm.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 {
[9/31] Compiling DifferenceKit AnyDifferentiable.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 {
[10/31] 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 {
[11/31] Compiling CellKit CollectionReusableView.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 {
[12/31] Compiling CellKit DataSource.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 {
[13/31] 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 {
[14/31] 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 {
[15/31] Compiling DifferenceKit StagedChangeset.swift
[16/31] Compiling DifferenceKit AppKitExtension.swift
[17/31] Compiling DifferenceKit ElementPath.swift
[18/31] Compiling DifferenceKit Differentiable.swift
[19/31] Compiling DifferenceKit DifferentiableSection.swift
[20/31] Compiling DifferenceKit UIKitExtension.swift
[21/31] Compiling DifferenceKit ContentEquatable.swift
[22/31] Compiling DifferenceKit ContentIdentifiable.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 {
/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 {
[32/32] 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 {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/26] 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 {
[3/27] Compiling DifferenceKit UIKitExtension.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/28] 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 {
[5/28] Compiling DifferenceKit ContentEquatable.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 {
[6/28] Compiling DifferenceKit ContentIdentifiable.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 {
[7/28] 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 {
[8/28] 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 {
[9/28] 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 {
[10/28] Compiling DifferenceKit Algorithm.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 {
[11/28] Compiling DifferenceKit AnyDifferentiable.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 {
[12/28] Compiling DifferenceKit Differentiable.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 {
[13/28] Compiling DifferenceKit DifferentiableSection.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 {
[14/28] 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 {
[15/28] 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 {
[16/28] Compiling DifferenceKit AppKitExtension.swift
[19/28] Compiling DifferenceKit ElementPath.swift
[22/28] 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 {
BUILD FAILURE 6.1 linux