error: no rules expected the token `r#async` --> $DIR/edition-keywords-2015-2018-parsing.rs:16:31 | LL | r#async = consumes_async!(r#async); //~ ERROR no rules expected the token `r#async` | ^^^^^^^ no rules expected this token in macro call error: no rules expected the token `async` --> $DIR/edition-keywords-2015-2018-parsing.rs:17:35 | LL | r#async = consumes_async_raw!(async); //~ ERROR no rules expected the token `async` | ^^^^^ no rules expected this token in macro call error: aborting due to 2 previous errors