error[E0428]: the name `Baz` is defined multiple times --> $DIR/issue-36935.rs:7:1 | LL | struct Baz { | ^^^^^^^^^^ | | | `Baz` redefined here | previous definition of the type `Baz` here | = note: `Baz` must be defined only once in the type namespace of this module error: proc-macro derive panicked --> $DIR/issue-36935.rs:6:20 | LL | #[derive(Identity, Panic)] | ^^^^^ | = help: message: panic-derive error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0428`.