Swift Package Index

Build Information

Failed to build FloatingPanel, reference master (7efcc7), with Swift 6.1 for macOS (SPM) on 14 Feb 2026 04:00:33 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/SCENEE/FloatingPanel.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SCENEE/FloatingPanel
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7efcc76 ci: update Xcode 26.0.1 to 26.2
Cloned https://github.com/SCENEE/FloatingPanel.git
Revision (git rev-parse @):
7efcc769e0ffe62f530e9276ab26309f758b7cc3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/SCENEE/FloatingPanel.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/SCENEE/FloatingPanel.git
https://github.com/SCENEE/FloatingPanel.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FloatingPanel",
  "name" : "FloatingPanel",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "FloatingPanel",
      "targets" : [
        "FloatingPanel"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "FloatingPanel",
      "module_type" : "SwiftTarget",
      "name" : "FloatingPanel",
      "path" : "Sources",
      "product_memberships" : [
        "FloatingPanel"
      ],
      "sources" : [
        "BackdropView.swift",
        "Behavior.swift",
        "Controller.swift",
        "Core.swift",
        "Extensions.swift",
        "GrabberView.swift",
        "Layout.swift",
        "LayoutAnchoring.swift",
        "LayoutProperties.swift",
        "Logging.swift",
        "PassthroughView.swift",
        "Position.swift",
        "State.swift",
        "SurfaceView.swift",
        "SwiftUI/FloatingPanelCoordinator.swift",
        "SwiftUI/FloatingPanelProxy.swift",
        "SwiftUI/FloatingPanelView.swift",
        "SwiftUI/SurfaceAppearance+.swift",
        "SwiftUI/View+floatingPanel.swift",
        "SwiftUI/View+floatingPanelBehavior.swift",
        "SwiftUI/View+floatingPanelConfiguration.swift",
        "SwiftUI/View+floatingPanelLayout.swift",
        "SwiftUI/View+floatingPanelScrollTracking.swift",
        "SwiftUI/View+floatingPanelState.swift",
        "SwiftUI/View+floatingPanelSurface.swift",
        "Transitioning.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
[3/27] Compiling FloatingPanel Logging.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[4/27] Compiling FloatingPanel PassthroughView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[5/27] Compiling FloatingPanel Position.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[6/29] Compiling FloatingPanel View+floatingPanelSurface.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[7/29] Compiling FloatingPanel Transitioning.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[8/29] Compiling FloatingPanel View+floatingPanelScrollTracking.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[9/29] Compiling FloatingPanel View+floatingPanelState.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[10/29] Compiling FloatingPanel View+floatingPanel.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[11/29] Compiling FloatingPanel View+floatingPanelBehavior.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/29] Emitting module FloatingPanel
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[13/29] Compiling FloatingPanel FloatingPanelProxy.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[14/29] Compiling FloatingPanel FloatingPanelView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[15/29] Compiling FloatingPanel SurfaceAppearance+.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[16/29] Compiling FloatingPanel View+floatingPanelConfiguration.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[17/29] Compiling FloatingPanel View+floatingPanelLayout.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[18/29] Compiling FloatingPanel State.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[19/29] Compiling FloatingPanel SurfaceView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[20/29] Compiling FloatingPanel FloatingPanelCoordinator.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[21/29] Compiling FloatingPanel BackdropView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[22/29] Compiling FloatingPanel Behavior.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[23/29] Compiling FloatingPanel Controller.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[24/29] Compiling FloatingPanel Layout.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[25/29] Compiling FloatingPanel LayoutAnchoring.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[26/29] Compiling FloatingPanel LayoutProperties.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[27/29] Compiling FloatingPanel Core.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[28/29] Compiling FloatingPanel Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[29/29] Compiling FloatingPanel GrabberView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
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)
[2/26] Emitting module FloatingPanel
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[3/28] Compiling FloatingPanel View+floatingPanelConfiguration.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[4/28] Compiling FloatingPanel View+floatingPanelLayout.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[5/28] Compiling FloatingPanel Logging.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[6/28] Compiling FloatingPanel PassthroughView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[7/28] Compiling FloatingPanel Position.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[8/28] Compiling FloatingPanel View+floatingPanel.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[9/28] Compiling FloatingPanel View+floatingPanelBehavior.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[10/28] Compiling FloatingPanel View+floatingPanelScrollTracking.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[11/28] Compiling FloatingPanel View+floatingPanelState.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[12/28] Compiling FloatingPanel FloatingPanelProxy.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[13/28] Compiling FloatingPanel FloatingPanelView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[14/28] Compiling FloatingPanel SurfaceAppearance+.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[15/28] Compiling FloatingPanel View+floatingPanelSurface.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[16/28] Compiling FloatingPanel Transitioning.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[17/28] Compiling FloatingPanel State.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[18/28] Compiling FloatingPanel SurfaceView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[19/28] Compiling FloatingPanel FloatingPanelCoordinator.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[20/28] Compiling FloatingPanel Core.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[21/28] Compiling FloatingPanel Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[22/28] Compiling FloatingPanel GrabberView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[23/28] Compiling FloatingPanel Layout.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[24/28] Compiling FloatingPanel LayoutAnchoring.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[25/28] Compiling FloatingPanel LayoutProperties.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[26/28] Compiling FloatingPanel BackdropView.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[27/28] Compiling FloatingPanel Behavior.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
[28/28] Compiling FloatingPanel Controller.swift
/Users/admin/builder/spi-builder-workspace/Sources/BackdropView.swift:3:8: error: no such module 'UIKit'
 1 | // Copyright 2018-Present Shin Yamamoto. All rights reserved. MIT license.
 2 |
 3 | import UIKit
   |        `- error: no such module 'UIKit'
 4 |
 5 | /// A view that presents a backdrop interface behind a panel.
BUILD FAILURE 6.1 macosSpm