rust/src/test/ui/proc-macro/derive-bad.stderr

error: expected `:`, found `}`
  --> $DIR/derive-bad.rs:7:5
   |
LL |     A
   |     ^ expected `:`

error: proc-macro derive produced unparseable tokens
  --> $DIR/derive-bad.rs:7:5
   |
LL |     A
   |     ^

error: aborting due to 2 previous errors