Swift Package Index

Build Information

Failed to build Prefire, reference 5.4.1 (6986d0), with Swift 6.1 for macOS (SPM) on 4 Feb 2026 20:54:35 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/BarredEwe/Prefire.git
Reference: 5.4.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/BarredEwe/Prefire
 * tag               5.4.1      -> FETCH_HEAD
HEAD is now at 6986d00 Update version to 5.4.1
Cloned https://github.com/BarredEwe/Prefire.git
Revision (git rev-parse @):
6986d001061e5a41e31cc1f9ea70e427c8435568
SUCCESS checkout https://github.com/BarredEwe/Prefire.git at 5.4.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/BarredEwe/Prefire.git
https://github.com/BarredEwe/Prefire.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Prefire",
  "name" : "Prefire",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "Prefire",
      "targets" : [
        "Prefire"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PrefirePlaybookPlugin",
      "targets" : [
        "PrefirePlaybookPlugin"
      ],
      "type" : {
        "plugin" : null
      }
    },
    {
      "name" : "PrefireTestsPlugin",
      "targets" : [
        "PrefireTestsPlugin"
      ],
      "type" : {
        "plugin" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PrefireTestsPlugin",
      "module_type" : "PluginTarget",
      "name" : "PrefireTestsPlugin",
      "path" : "Plugins/PrefireTestsPlugin",
      "plugin_capability" : {
        "type" : "buildTool"
      },
      "product_memberships" : [
        "PrefireTestsPlugin"
      ],
      "sources" : [
        "Plugin.swift",
        "TestedTargetFinder.swift"
      ],
      "target_dependencies" : [
        "PrefireBinary"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "PrefirePlaybookPlugin",
      "module_type" : "PluginTarget",
      "name" : "PrefirePlaybookPlugin",
      "path" : "Plugins/PrefirePlaybookPlugin",
      "plugin_capability" : {
        "type" : "buildTool"
      },
      "product_memberships" : [
        "PrefirePlaybookPlugin"
      ],
      "sources" : [
        "Plugin.swift"
      ],
      "target_dependencies" : [
        "PrefireBinary"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "PrefireBinary",
      "module_type" : "BinaryTarget",
      "name" : "PrefireBinary",
      "path" : "Binaries/PrefireBinary.artifactbundle",
      "product_memberships" : [
        "PrefirePlaybookPlugin",
        "PrefireTestsPlugin"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "Prefire",
      "module_type" : "SwiftTarget",
      "name" : "Prefire",
      "path" : "Sources/Prefire",
      "product_memberships" : [
        "Prefire"
      ],
      "sources" : [
        "Playbook/LoadingTimeModifier.swift",
        "Playbook/PlaybookView.swift",
        "Playbook/Scale.swift",
        "Playbook/TransformIf.swift",
        "Preview/PreferenceKeys.swift",
        "Preview/PrefireProvider.swift",
        "Preview/PrefireSnapshot.swift",
        "Preview/PreviewLayout+Equatable.swift",
        "Preview/PreviewModel.swift",
        "Preview/UIKitRepresentable.swift",
        "Preview/View+Prefire.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
[1/1] Compiling plugin PrefireTestsPlugin
[2/2] Compiling plugin PrefirePlaybookPlugin
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/15] Compiling Prefire UIKitRepresentable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[6/16] Compiling Prefire PrefireProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[7/16] Compiling Prefire PreviewLayout+Equatable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[8/16] Compiling Prefire PrefireSnapshot.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[9/16] Compiling Prefire Scale.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[10/16] Compiling Prefire PreviewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[11/16] Compiling Prefire PreferenceKeys.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/16] Emitting module Prefire
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[13/16] Compiling Prefire TransformIf.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[14/16] Compiling Prefire LoadingTimeModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[15/16] Compiling Prefire PlaybookView.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[16/16] Compiling Prefire View+Prefire.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
[1/1] Compiling plugin PrefireTestsPlugin
[2/2] Compiling plugin PrefirePlaybookPlugin
Building for debugging...
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/14] Compiling Prefire UIKitRepresentable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[5/15] Compiling Prefire PrefireSnapshot.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[6/15] Compiling Prefire LoadingTimeModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[7/15] Compiling Prefire PlaybookView.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[8/15] Compiling Prefire TransformIf.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/15] Emitting module Prefire
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[10/15] Compiling Prefire Scale.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[11/15] Compiling Prefire PreferenceKeys.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[12/15] Compiling Prefire PreviewModel.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[13/15] Compiling Prefire PrefireProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[14/15] Compiling Prefire PreviewLayout+Equatable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
[15/15] Compiling Prefire View+Prefire.swift
/Users/admin/builder/spi-builder-workspace/Sources/Prefire/Preview/UIKitRepresentable.swift:2:8: error: no such module 'UIKit'
 1 | import SwiftUI
 2 | import UIKit
   |        `- error: no such module 'UIKit'
 3 |
 4 | public struct ViewRepresentable<WrappedView: UIView>: UIViewRepresentable {
BUILD FAILURE 6.1 macosSpm