Swift Package Index

Build Information

Failed to build DynamicButtonStack, reference 1.2.1 (3e9750), with Swift 6.1 for Linux on 11 Feb 2026 23:30:14 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" 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: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/douglashill/DynamicButtonStack.git
Reference: 1.2.1
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/douglashill/DynamicButtonStack
 * tag               1.2.1      -> FETCH_HEAD
HEAD is now at 3e97501 Convert DynamicButtonStackDemo group to synced folder
Cloned https://github.com/douglashill/DynamicButtonStack.git
Revision (git rev-parse @):
3e9750167707144180f8caa5273b9b564bdd4adb
SUCCESS checkout https://github.com/douglashill/DynamicButtonStack.git at 1.2.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/douglashill/DynamicButtonStack.git
https://github.com/douglashill/DynamicButtonStack.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DynamicButtonStack",
  "name" : "DynamicButtonStack",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "DynamicButtonStack",
      "targets" : [
        "DynamicButtonStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DynamicButtonStack",
      "module_type" : "SwiftTarget",
      "name" : "DynamicButtonStack",
      "path" : ".",
      "product_memberships" : [
        "DynamicButtonStack"
      ],
      "sources" : [
        "DynamicButtonStack.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" 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: sha256:8e1c3aab9de7fa4f6e33977b6a4cee007e876da3e605dda0be6b9b9bf86aa951
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)
[3/4] Emitting module DynamicButtonStack
/host/spi-builder-workspace/DynamicButtonStack.swift:3:8: error: no such module 'UIKit'
  1 | // Douglas Hill, March 2020
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /// A stack of buttons that dynamically adjusts the layout to fit the content in the available
[4/4] Compiling DynamicButtonStack DynamicButtonStack.swift
/host/spi-builder-workspace/DynamicButtonStack.swift:3:8: error: no such module 'UIKit'
  1 | // Douglas Hill, March 2020
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /// A stack of buttons that dynamically adjusts the layout to fit the content in the available
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" 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: sha256:8e1c3aab9de7fa4f6e33977b6a4cee007e876da3e605dda0be6b9b9bf86aa951
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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module DynamicButtonStack
/host/spi-builder-workspace/DynamicButtonStack.swift:3:8: error: no such module 'UIKit'
  1 | // Douglas Hill, March 2020
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /// A stack of buttons that dynamically adjusts the layout to fit the content in the available
[3/3] Compiling DynamicButtonStack DynamicButtonStack.swift
/host/spi-builder-workspace/DynamicButtonStack.swift:3:8: error: no such module 'UIKit'
  1 | // Douglas Hill, March 2020
  2 |
  3 | import UIKit
    |        `- error: no such module 'UIKit'
  4 |
  5 | /// A stack of buttons that dynamically adjusts the layout to fit the content in the available
BUILD FAILURE 6.1 linux