You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.rs
    path of file: ./repos/axum/examples/form/src
    
    the code of the file until where you have to start completion: //! Run with
//!
//! ```not_rust
//! cargo run -p example-form
//! ```

use axum::{extract::Form, response::Html, routing::get, Router};
use serde::Deserialize;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};

#[tokio::main]
async fn main() {
    tracing_subscriber::registry()
        .with(
            tracing_subscriber::EnvFilter::try_
    
async fn show_form() -> Html<&'static str> {
    Html(
        r#"
        <!doctype html>
        <html>
            <head></head>
            <body>
                <form action="/" method="post">
                    <label for="name">
                        Enter your name:
                        <input type="text" name="name">
                    </label>

                    <label>
                        Enter your email:
                        <input type="text" name="email">
                    </label>

                    <input type="submit" value="Subscribe!">
                </form>
            </body>
        </html>
        "#,
    )
}