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 MapleBacon, reference 6.2.1 (e87767), with Swift 6.1 for Linux on 27 Apr 2025 20:07:10 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/JanGorman/MapleBacon.git
Reference: 6.2.1
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/JanGorman/MapleBacon
 * tag               6.2.1      -> FETCH_HEAD
HEAD is now at e877672 Bump podspec
Cloned https://github.com/JanGorman/MapleBacon.git
Revision (git rev-parse @):
e877672bb804b857cdb52e337f02f79ceb126df9
SUCCESS checkout https://github.com/JanGorman/MapleBacon.git at 6.2.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/JanGorman/MapleBacon.git
https://github.com/JanGorman/MapleBacon.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MapleBacon",
  "name" : "MapleBacon",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "MapleBacon",
      "targets" : [
        "MapleBacon"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MapleBacon",
      "module_type" : "SwiftTarget",
      "name" : "MapleBacon",
      "path" : "MapleBacon",
      "product_memberships" : [
        "MapleBacon"
      ],
      "sources" : [
        "Core/Cache/Cache.swift",
        "Core/Cache/CacheClearOptions.swift",
        "Core/Cache/CacheResult.swift",
        "Core/Cache/DiskCache.swift",
        "Core/Cache/MemoryCache.swift",
        "Core/DisplayOptions.swift",
        "Core/Download.swift",
        "Core/Downloader.swift",
        "Core/ImageTransforming.swift",
        "Core/MapleBacon.swift",
        "Extensions/CGSize+MapleBacon.swift",
        "Extensions/Data+MapleBacon.swift",
        "Extensions/DataConvertible.swift",
        "Extensions/DispatchQueue+MapleBacon.swift",
        "Extensions/DownsamplingImageTransformer.swift",
        "Extensions/FileManager.swift",
        "Extensions/TimePeriod.swift",
        "Extensions/UIImageView+MapleBacon.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/19] Emitting module MapleBacon
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[4/21] Compiling MapleBacon TimePeriod.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[5/21] Compiling MapleBacon UIImageView+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[6/21] Compiling MapleBacon DownsamplingImageTransformer.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[7/21] Compiling MapleBacon FileManager.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[8/21] Compiling MapleBacon DataConvertible.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[9/21] Compiling MapleBacon DispatchQueue+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[10/21] Compiling MapleBacon ImageTransforming.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[11/21] Compiling MapleBacon MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[12/21] Compiling MapleBacon CGSize+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[13/21] Compiling MapleBacon Data+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[14/21] Compiling MapleBacon Download.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[15/21] Compiling MapleBacon Downloader.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[16/21] Compiling MapleBacon DiskCache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[17/21] Compiling MapleBacon MemoryCache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[18/21] Compiling MapleBacon DisplayOptions.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[19/21] Compiling MapleBacon Cache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[20/21] Compiling MapleBacon CacheClearOptions.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[21/21] Compiling MapleBacon CacheResult.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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
[2/18] Compiling MapleBacon DownsamplingImageTransformer.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[3/18] Compiling MapleBacon FileManager.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[4/20] Compiling MapleBacon DataConvertible.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[5/20] Compiling MapleBacon DispatchQueue+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[6/20] Compiling MapleBacon ImageTransforming.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[7/20] Compiling MapleBacon MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[8/20] Compiling MapleBacon Download.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[9/20] Compiling MapleBacon Downloader.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[10/20] Compiling MapleBacon CGSize+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[11/20] Compiling MapleBacon Data+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[12/20] Compiling MapleBacon Cache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[13/20] Compiling MapleBacon CacheClearOptions.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[14/20] Compiling MapleBacon CacheResult.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[15/20] Compiling MapleBacon DiskCache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[16/20] Compiling MapleBacon MemoryCache.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[17/20] Compiling MapleBacon DisplayOptions.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[18/20] Emitting module MapleBacon
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[19/20] Compiling MapleBacon TimePeriod.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
[20/20] Compiling MapleBacon UIImageView+MapleBacon.swift
/host/spi-builder-workspace/MapleBacon/Core/Cache/Cache.swift:5:8: error: no such module 'UIKit'
  3 | //
  4 |
  5 | import UIKit
    |        `- error: no such module 'UIKit'
  6 |
  7 | enum CacheError: Error {
BUILD FAILURE 6.1 linux