Guess the number game in Rust language

main.rs

extern crate text_io;

use std::io::stdout;
use std::io::Write;
use text_io::read;

use rand::Rng;

fn main() {
    let mut rng = rand::thread_rng();
    let num: u8 = rng.gen_range(1..101);
    let maxguesses = 7;

    println!("I'm thinking of a number from 1 to 100. What number am I thinking of?");

    for count in (1..=maxguesses).rev() {
        print!("\nYou have {} guesses\nWhat is your guess?\n>", count);
        stdout().flush().unwrap();
        let input: u8 = read!();


        // echo back input
        print!("{}: ", input);

        if input > num {
            println!("Too high!")
        } else if input < num {
            println!("Too low!")
        } else {
            println!("That's it! I was thinking of {}!", num);
            return;
        }
    }

    println!("You lose! The number was {}", num);
}