Hyper slow body reading

cargo.toml

[dependencies]
hyper = { version = "0.14", features = ["full"] }
tokio = { version = "1", features = ["full"] }

main.rs

use hyper::{body::HttpBody, Client};
use tokio::time::Instant;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    for _ in 0..2 {
        let start = Instant::now();

        // Still inside `async fn main`...
        let client = Client::new();

        // Parse an `http::Uri`...
        let uri = "http://registry.yarnpkg.com/react".parse()?;

        // Await the response...
        let mut resp = client.get(uri).await?;

        // let mut buf: Vec<u8> = Vec::with_capacity(resp.size_hint().upper().unwrap_or(0) as usize);

        let mut body = resp.into_body();
        while let Some(chunk) = body.data().await {
            // buf.append(&mut chunk?.to_vec());
        }

        // println!("{}", &String::from_utf8(buf).unwrap()[0..1]);
        println!("MS: {}", start.elapsed().as_millis());
    }

    Ok(())
}