md5 bench test

test.rs

use md5;
use std::time::SystemTime;
use rayon::prelude::*;

fn main() {
    let now = SystemTime::now();
    (13200000000 as i64 .. 18900099999 as i64).into_par_iter().map(
    |d| {
            print!("[{:?}]{} with hash: {:?}\n",
                   SystemTime::now().duration_since(now).unwrap(),
                   d,
                   md5::compute(d.to_string()));
        }
    ).count();
}

edition = "2018"
[dependencies]
md5="0.6.0"
rayon = "1.0"