error: expected one of `extern` or `fn`, found keyword `async` --> $DIR/wrong-async.rs:9:8 | LL | unsafe async fn test() {} | -------^^^^^ | | | | | expected one of `extern` or `fn` | help: `async` must come before `unsafe`: `async unsafe` | = note: keyword order for functions declaration is `pub`, `default`, `const`, `async`, `unsafe`, `extern` error: aborting due to 1 previous error