Codes myteriously gone

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/*
file_name :main.rs
author : a.e.
comment : Line of codes myteriously gone I didn't know how did that
happened "io::stdout().flush();". It just puzzled I couldn't
` figure it out, what the hell is wrong with RUST?
*/
extern crate rand;
use std::io;
use std::io::Write;
use rand::Rng;
use std::cmp::Ordering;
fn main()
{
println!("Guess the number between 1-2048, You have 10 chances to guess it:");
println!("Please enter your guess:");
let secret_number = rand::thread_rng().gen_range(1,2048);
let mut lifecount = 11;

loop{
let mut guess = String::new();
lifecount -= 1;
println!("LIFE:{}",lifecount);

if lifecount == 0 {
println!("GAME OVER, BRO! The secret number is {}",secret_number);
break;
}
print!("Your guess:{}",guess);
let _= io::stdout().flush();
io::stdin().read_line(&mut guess).expect("Failed to read line");

let guess: u32 = match guess.trim().parse(){
Ok(num) => num,
Err(_) => continue,
};


match guess.cmp(&secret_number){
Ordering::Less => println!("It's LOW"),
Ordering::Greater => println!("It's HIGH"),

Ordering::Equal => { println!("You are right! the secret number is {}",secret_number); break; }


}

// println!("The secret number is {}", secret_number);

}
}
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