Swift Package Index

Build Information

Failed to build DynamicButtonStack, reference 1.2.1 (3e9750), with Swift 6.1 for macOS (SPM) on 12 Feb 2026 03:12:38 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

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 /Users/admin/builder/spi-builder-workspace/.git/
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:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/douglashill/DynamicButtonStack.git
https://github.com/douglashill/DynamicButtonStack.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DynamicButtonStack",
  "name" : "DynamicButtonStack",
  "path" : "/Users/admin/builder/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 ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module DynamicButtonStack
/Users/admin/builder/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
/Users/admin/builder/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 ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module DynamicButtonStack
/Users/admin/builder/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
/Users/admin/builder/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 macosSpm