error[E0599]: no method named `the_fn` found for type `&coherence_inherent_cc_lib::TheStruct` in the current scope --> $DIR/coherence_inherent_cc.rs:26:11 | LL | s.the_fn(); | ^^^^^^ | = help: items from traits can only be used if the trait is in scope = note: the following trait is implemented but not in scope, perhaps add a `use` for it: `use coherence_inherent_cc_lib::TheTrait;` error: aborting due to previous error For more information about this error, try `rustc --explain E0599`.