error[E0609]: no field `nonexistent_field` on type `MyStruct` --> $DIR/issue-19244-2.rs:5:27 | LL | let a: [isize; STRUCT.nonexistent_field]; | ^^^^^^^^^^^^^^^^^ unknown field | = note: available field is: `field` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0609`.