Rust reqwest/tokio minimal example

reqwest_minimal.rs

/*** Cargo.toml
[dependencies]
futures = "0.3.15"
reqwest = { version = "0.11", features = ["json"] }
tokio = { version = "1", features = ["full"] }
 */

 // main.rs
use reqwest;

async fn do_thing() -> Result<(), reqwest::Error> {
    let body = reqwest::get("https://www.rust-lang.org")
        .await?
        .text()
        .await?;
    println!("body = {:?}", body);
    return Ok(());
}

#[tokio::main]
async fn main() {
    let result = do_thing().await;
    match result {
        Ok(_) => (),
        Err(e) => println!("Something went wrong! {:?}", e)
    }
}