error: expected identifier, found keyword `async` --> $DIR/edition-keywords-2018-2015-parsing.rs:16:13 | LL | let mut async = 1; | ^^^^^ expected identifier, found keyword | help: escape `async` to use it as an identifier | LL | let mut r#async = 1; | ++ error: expected identifier, found keyword `async` --> $DIR/edition-keywords-2018-2015-parsing.rs:28:13 | LL | module::async(); | ^^^^^ expected identifier, found keyword | help: escape `async` to use it as an identifier | LL | module::r#async(); | ++ error: no rules expected `r#async` --> $DIR/edition-keywords-2018-2015-parsing.rs:20:31 | LL | r#async = consumes_async!(r#async); | ^^^^^^^ no rules expected this token in macro call | note: while trying to match keyword `async` --> $DIR/auxiliary/edition-kw-macro-2015.rs:17:6 | LL | (async) => (1) | ^^^^^ error: no rules expected keyword `async` --> $DIR/edition-keywords-2018-2015-parsing.rs:21:35 | LL | r#async = consumes_async_raw!(async); | ^^^^^ no rules expected this token in macro call | note: while trying to match `r#async` --> $DIR/auxiliary/edition-kw-macro-2015.rs:22:6 | LL | (r#async) => (1) | ^^^^^^^ error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||` --> $DIR/auxiliary/edition-kw-macro-2015.rs:27:23 | LL | ($i: ident) => ($i) | ^ expected one of `move`, `|`, or `||` | ::: $DIR/edition-keywords-2018-2015-parsing.rs:24:8 | LL | if passes_ident!(async) == 1 {} // FIXME: Edition hygiene bug, async here is 2018 and reserved | -------------------- in this macro invocation error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||` --> $DIR/edition-keywords-2018-2015-parsing.rs:26:24 | LL | if passes_tt!(async) == 1 {} | ^ expected one of `move`, `|`, or `||` error[E0308]: mismatched types --> $DIR/edition-keywords-2018-2015-parsing.rs:31:33 | LL | let _recovery_witness: () = 0; | -- ^ expected `()`, found integer | | | expected due to this error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0308`.