error[E0560]: struct `BuildData` has no field named `bar`
  --> $DIR/struct-fields-too-many.rs:8:9
   |
LL |         bar: 0
   |         ^^^ `BuildData` does not have this field
   |
   = note: all struct fields are already assigned

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0560`.