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Build Information

Failed to build Gnuplot, reference main (1cb0f7), with Swift 6.3 for Linux on 12 Apr 2026 17:13:35 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/damuellen/Gnuplot.swift.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/damuellen/Gnuplot.swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1cb0f7f Update Gnuplot.swift
Cloned https://github.com/damuellen/Gnuplot.swift.git
Revision (git rev-parse @):
1cb0f7feb96742e9b826880b0d87a47138015c1a
SUCCESS checkout https://github.com/damuellen/Gnuplot.swift.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/damuellen/Gnuplot.swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module Gnuplot
[4/4] Compiling Gnuplot Gnuplot.swift
/host/spi-builder-workspace/Sources/Gnuplot/Gnuplot.swift:87:29: error: cannot assign value of type 'String' to type 'URL'
 85 |     if let process = Gnuplot.running { if process.isRunning { return process } }
 86 |     let gnuplot = Process()
 87 |     gnuplot.executableURL = "/usr/bin/gnuplot"
    |                             `- error: cannot assign value of type 'String' to type 'URL'
 88 |     gnuplot.arguments = ["--persist"]
 89 |     Gnuplot.running = gnuplot
BUILD FAILURE 6.3 linux