error: duplicated attribute argument found
  --> $DIR/implementers_duplicate_pretty.rs:16:34
   |
16 | #[graphql_interface(for = [ObjA, ObjA])]
   |                                  ^^^^

error[E0412]: cannot find type `CharacterValue` in this scope
 --> $DIR/implementers_duplicate_pretty.rs:4:18
  |
4 | #[graphql(impl = CharacterValue)]
  |                  ^^^^^^^^^^^^^^ not found in this scope

error[E0405]: cannot find trait `Character` in this scope
  --> $DIR/implementers_duplicate_pretty.rs:10:6
   |
10 | impl Character for ObjA {
   |      ^^^^^^^^^ not found in this scope