Swift Package Index

Build Information

Failed to build PrecisionLevelSlider, reference main (3d2421), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 18:02:35 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FluidGroup/PrecisionLevelSlider.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FluidGroup/PrecisionLevelSlider
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3d24212 Update README.md
Cloned https://github.com/FluidGroup/PrecisionLevelSlider.git
Revision (git rev-parse @):
3d24212a8dc5de6e0a03fe0bd11ca86fcc1990d1
SUCCESS checkout https://github.com/FluidGroup/PrecisionLevelSlider.git at main
Fetching https://github.com/FluidGroup/swiftui-Hosting
[1/246] Fetching swiftui-hosting
Fetched https://github.com/FluidGroup/swiftui-Hosting from cache (0.71s)
Computing version for https://github.com/FluidGroup/swiftui-Hosting
Computed https://github.com/FluidGroup/swiftui-Hosting at 2.0.0 (1.36s)
Creating working copy for https://github.com/FluidGroup/swiftui-Hosting
Working copy of https://github.com/FluidGroup/swiftui-Hosting resolved at 2.0.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "precisionlevelslider",
      "name": "PrecisionLevelSlider",
      "url": "https://github.com/FluidGroup/PrecisionLevelSlider.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PrecisionLevelSlider",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swiftui-hosting",
          "name": "swiftui-hosting",
          "url": "https://github.com/FluidGroup/swiftui-Hosting",
          "version": "2.6.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swiftui-Hosting",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/FluidGroup/PrecisionLevelSlider.git
[1/215] Fetching precisionlevelslider
Fetched https://github.com/FluidGroup/PrecisionLevelSlider.git from cache (1.55s)
Fetching https://github.com/FluidGroup/swiftui-Hosting from cache
Fetched https://github.com/FluidGroup/swiftui-Hosting from cache (0.48s)
Computing version for https://github.com/FluidGroup/swiftui-Hosting
Computed https://github.com/FluidGroup/swiftui-Hosting at 2.6.0 (0.57s)
Creating working copy for https://github.com/FluidGroup/swiftui-Hosting
Working copy of https://github.com/FluidGroup/swiftui-Hosting resolved at 2.6.0
Creating working copy for https://github.com/FluidGroup/PrecisionLevelSlider.git
Working copy of https://github.com/FluidGroup/PrecisionLevelSlider.git resolved at main (3d24212)
warning: '.resolve-product-dependencies': dependency 'precisionlevelslider' is not used by any target
Found 1 product dependencies
  - swiftui-hosting
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/FluidGroup/PrecisionLevelSlider.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
[4/9] Compiling SwiftUIHosting UIResponder+.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[5/9] Compiling SwiftUIHosting SwiftUIHostingViewController.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/9] Emitting module SwiftUIHosting
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[7/9] Compiling SwiftUIHosting SwiftUIHostingView.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[8/9] Compiling SwiftUIHosting HostingController.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
[9/9] Compiling SwiftUIHosting BaseModifier.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-Hosting/Sources/SwiftUIHosting/UIResponder+.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | extension UIResponder {
BUILD FAILURE 6.3 macosSpm