1 error: expected identifier, found keyword `async`
2 --> $DIR/edition-keywords-2015-2018-expansion.rs:8:5
4 LL | produces_async! {}
5 | ^^^^^^^^^^^^^^^^^^ expected identifier, found keyword
7 = note: this error originates in the macro `produces_async` (in Nightly builds, run with -Z macro-backtrace for more info)
8 help: escape `async` to use it as an identifier
9 --> $DIR/auxiliary/edition-kw-macro-2018.rs:7:19
11 LL | () => (pub fn r#async() {})
14 error: aborting due to previous error