error[E0422]: cannot find struct, variant or union type `Oops` in this scope
  --> $DIR/unresolved-struct-with-fru.rs:9:18
   |
LL |         let s2 = Oops { a: 2, ..s1 };
   |                  ^^^^ not found in this scope

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0422`.