error[E0599]: no method named `struct_impl_method` found for struct `Box` in the current scope --> $DIR/trait-object-method-error.rs:19:9 | LL | obj.struct_impl_method(); | ^^^^^^^^^^^^^^^^^^ | help: there is a method `trait_method` with a similar name | LL - obj.struct_impl_method(); LL + obj.trait_method(); | error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.