Swift Package Index

Build Information

Failed to build Gnuplot with Swift 6.0 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
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:             6.0
Building package at path:  $workDir
https://github.com/damuellen/Gnuplot.swift.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module Gnuplot
/host/spi-builder-workspace/Sources/Gnuplot/Gnuplot.swift:63:22: warning: static property 'running' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |     }
 62 |   }
 63 |   private static var running: Process?
    |                      |- warning: static property 'running' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                      |- note: convert 'running' to a 'let' constant to make 'Sendable' shared state immutable
    |                      |- note: annotate 'running' with '@MainActor' if property should only be accessed from the main actor
    |                      `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 | #endif
 65 |
[4/4] Compiling Gnuplot Gnuplot.swift
/host/spi-builder-workspace/Sources/Gnuplot/Gnuplot.swift:63:22: warning: static property 'running' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |     }
 62 |   }
 63 |   private static var running: Process?
    |                      |- warning: static property 'running' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                      |- note: convert 'running' to a 'let' constant to make 'Sendable' shared state immutable
    |                      |- note: annotate 'running' with '@MainActor' if property should only be accessed from the main actor
    |                      `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 | #endif
 65 |
/host/spi-builder-workspace/Sources/Gnuplot/Gnuplot.swift:87:27: 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 6.0 linux