Promise will never complete error for WASI worker

import { WASI } from '@cloudflare/workers-wasi';
import demoWasm from '../../../target/wasm32-wasi/release/wasi_test.wasm';
export default {
    async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
        const stdout = new TransformStream();
        const wasi = new WASI({
            stdout: stdout.writable
        });
        const instance = new WebAssembly.Instance(demoWasm, {
            wasi_snapshot_preview1: wasi.wasiImport
        });
        ctx.waitUntil(wasi.start(instance));
        return new Response(stdout.readable);
    }
};

use image;

fn main() {
    let image_bytes = include_bytes!("foster-lake.jpg");
    let mut img = image::load_from_memory(image_bytes).expect("Failed to parse image");
    let height = img.height();
    println!("{height}");
}