Print all words containing "rust"

main.rs

use std::fs::File;
use std::io::{BufReader, BufRead};

fn main() {
    let path = "/usr/share/dict/words";
    let f = File::open(path).expect("Can't open file");
    let buffered = BufReader::new(f);

    for line_result in buffered.lines() {
        let line = line_result.unwrap();
        if line.contains("rust") {
            println!("{}", line);
        }
    }
}