error: incorrect function inside `extern` block --> $DIR/issue-95829.rs:4:14 | LL | extern { | ------ `extern` blocks define existing foreign functions and functions inside of them cannot have a body LL | async fn L() { | ______________^___- | | | | | cannot have a body LL | | LL | | async fn M() {} LL | | } | |_____- help: remove the invalid body: `;` | = help: you might have meant to write a function accessible through FFI, which can be done by writing `extern fn` outside of the `extern` block = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html error: functions in `extern` blocks cannot have qualifiers --> $DIR/issue-95829.rs:4:14 | LL | extern { | ------ in this `extern` block LL | async fn L() { | ^ | help: remove the qualifiers | LL | fn L() { | ~~ error: aborting due to 2 previous errors