error[E0599]: no function or associated item named `nonexistent` found for type `dyn Trait` in the current scope --> $DIR/issue-58734.rs:20:12 | LL | Trait::nonexistent(()); | ^^^^^^^^^^^ function or associated item not found in `dyn Trait` error: aborting due to previous error For more information about this error, try `rustc --explain E0599`.