error[E0412]: cannot find type `MissingType` in this scope --> $DIR/macro-rules-derive.rs:10:20 | LL | field: MissingType | ^^^^^^^^^^^ not found in this scope ... LL | produce_it!(MyName); | ------------------- in this macro invocation | = note: this error originates in the macro `produce_it` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0412`.