Can someone tell me why this might be generating a seg fault?

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8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 let secret number rand thread rngO.gen range(1.101); loop printin!(" Please enter pour input guess."); let mut guess String new; to: stdinO Jandles the user input read line(mut quess) expect(" Failed to read line"); let guess: u32 match guess trimO parse) k(num) nun, Err) continue, stops the program from crashing will ; printim!("Dou guessed: (", guess); match guess.cmp(secret number) amp method compares Ordering: Less printIn!("Coo small!" Ordering Greater printlu!(" Coo large!"), Ordering: Equal f printin!("Dou win!"); break;