trpl-zh-cn/listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt
2022-02-06 16:43:51 +08:00

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$ cargo build
Compiling guessing_game v0.1.0 (file:///projects/guessing_game)
warning: unused `Result` that must be used
--> src/main.rs:10:5
|
10 | io::stdin().read_line(&mut guess);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[warn(unused_must_use)]` on by default
= note: this `Result` may be an `Err` variant, which should be handled
warning: `guessing_game` (bin "guessing_game") generated 1 warning
Finished dev [unoptimized + debuginfo] target(s) in 0.59s