rust - Iced_winit is not able to connect to the Wayland compositor - Stack Overflow

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Whenever I try to run a simple program that uses iced(0.13.1), it immediately crashes with this error message.

thread 'main' panicked at /home/luka/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/iced_winit-0.12.2/src/application.rs:119:10:
Create event loop: Os(OsError { line: 80, file: "/home/luka/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.29.15/src/platform_impl/linux/wayland/event_loop/mod.rs", error: WaylandError(Connection(NoCompositor)) })

This is a MRE:

use iced::widget::{Column, column, text};

fn main() -> iced::Result {
    iced::run("My App", MyApp::update, MyApp::view)
}

struct MyApp;

impl MyApp {
    type Message = ();

    fn update(&mut self, _message: Self::Message) {}

    fn view(&self) -> iced::Element<Self::Message> {
        column![
            text("Hello, World!")
        ];
    }
}

This is the Cargo.toml:

[package]
name = "my-iced-app"
version = "0.1.0"
edition = "2024"

[dependencies]
iced = "0.13.1"

It should open a basic window with a title of "My App".

I have no idea what to do, except switching to X11 but I'm running Pop! OS 24.02 which uses COSMIC window manager that only supports Wayland(at least I think it only does)

Whenever I try to run a simple program that uses iced(0.13.1), it immediately crashes with this error message.

thread 'main' panicked at /home/luka/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/iced_winit-0.12.2/src/application.rs:119:10:
Create event loop: Os(OsError { line: 80, file: "/home/luka/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.29.15/src/platform_impl/linux/wayland/event_loop/mod.rs", error: WaylandError(Connection(NoCompositor)) })

This is a MRE:

use iced::widget::{Column, column, text};

fn main() -> iced::Result {
    iced::run("My App", MyApp::update, MyApp::view)
}

struct MyApp;

impl MyApp {
    type Message = ();

    fn update(&mut self, _message: Self::Message) {}

    fn view(&self) -> iced::Element<Self::Message> {
        column![
            text("Hello, World!")
        ];
    }
}

This is the Cargo.toml:

[package]
name = "my-iced-app"
version = "0.1.0"
edition = "2024"

[dependencies]
iced = "0.13.1"

It should open a basic window with a title of "My App".

I have no idea what to do, except switching to X11 but I'm running Pop! OS 24.02 which uses COSMIC window manager that only supports Wayland(at least I think it only does)

• rust
• wayland
• winit

Share Improve this question Follow asked 2 days ago Luka TalevskiLuka Talevski 2344 bronze badges 1

• You'd likely get more specific debugging advice by filing an issue with on the iced and/or winit repositories. – kmdreko Commented 2 days ago

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1 Answer 1

Sorted by: Reset to default 0

I fixed it by compiling in a real terminal. VS Code's terminal is apparently sandboxed and that caused an error when compiling using it.

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