The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build SimpleColorPalette, reference main (e0f13f), with Swift 6.1 for Linux on 20 Oct 2025 13:35:52 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/simple-color-palette/SimpleColorPaletteSwift.git
Reference: main
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/simple-color-palette/SimpleColorPaletteSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e0f13fa 0.2.1
Cloned https://github.com/simple-color-palette/SimpleColorPaletteSwift.git
Revision (git rev-parse @):
e0f13fa9ca295b9976505ff24fee37920c5f609b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/simple-color-palette/SimpleColorPaletteSwift.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/simple-color-palette/SimpleColorPaletteSwift.git
https://github.com/simple-color-palette/SimpleColorPaletteSwift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SimpleColorPalette",
  "name" : "SimpleColorPalette",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "10.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "SimpleColorPalette",
      "targets" : [
        "SimpleColorPalette"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SimpleColorPaletteTests",
      "module_type" : "SwiftTarget",
      "name" : "SimpleColorPaletteTests",
      "path" : "Tests/SimpleColorPaletteTests",
      "sources" : [
        "AppKit.swift",
        "SwiftUI.swift",
        "Tests.swift"
      ],
      "target_dependencies" : [
        "SimpleColorPalette"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SimpleColorPalette",
      "module_type" : "SwiftTarget",
      "name" : "SimpleColorPalette",
      "path" : "Sources/SimpleColorPalette",
      "product_memberships" : [
        "SimpleColorPalette"
      ],
      "sources" : [
        "AppKit.swift",
        "Color.swift",
        "ColorComponents.swift",
        "ColorPalette.swift",
        "Extensions.swift",
        "SwiftUI.swift",
        "Utilities.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:808cb2b2a6cec76654a3acbd283c6c2205bc60d2b29562c95b9f5147612f6d32
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
[3/10] Compiling SimpleColorPalette Utilities.swift
/host/spi-builder-workspace/Sources/SimpleColorPalette/Utilities.swift:41:20: error: cannot find 'pow' in scope
39 | 		}
40 |
41 | 		let multiplier = pow(10.0, Self(places))
   |                    `- error: cannot find 'pow' in scope
42 | 		return (self * multiplier).rounded(.toNearestOrEven) / multiplier
43 | 	}
[4/10] Compiling SimpleColorPalette Extensions.swift
[5/10] Compiling SimpleColorPalette SwiftUI.swift
[6/10] Emitting module SimpleColorPalette
[7/10] Compiling SimpleColorPalette AppKit.swift
[8/10] Compiling SimpleColorPalette Color.swift
[9/10] Compiling SimpleColorPalette ColorComponents.swift
[10/10] Compiling SimpleColorPalette ColorPalette.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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: sha256:808cb2b2a6cec76654a3acbd283c6c2205bc60d2b29562c95b9f5147612f6d32
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
[2/9] Compiling SimpleColorPalette Extensions.swift
[3/9] Compiling SimpleColorPalette SwiftUI.swift
[4/9] Compiling SimpleColorPalette Utilities.swift
/host/spi-builder-workspace/Sources/SimpleColorPalette/Utilities.swift:41:20: error: cannot find 'pow' in scope
39 | 		}
40 |
41 | 		let multiplier = pow(10.0, Self(places))
   |                    `- error: cannot find 'pow' in scope
42 | 		return (self * multiplier).rounded(.toNearestOrEven) / multiplier
43 | 	}
[5/9] Compiling SimpleColorPalette ColorPalette.swift
[6/9] Compiling SimpleColorPalette AppKit.swift
[7/9] Compiling SimpleColorPalette Color.swift
[8/9] Emitting module SimpleColorPalette
[9/9] Compiling SimpleColorPalette ColorComponents.swift
BUILD FAILURE 6.1 linux