error[E0599]: no method named `test` found for struct `Box>` in the current scope --> $DIR/suggest-assoc-fn-call-deref.rs:13:7 | LL | x.test(); | --^^^^-- | | | | | this is an associated function, not a method | help: use associated function syntax instead: `Foo::::test()` | = note: found the following associated functions; to be used as methods, functions must have a `self` parameter note: the candidate is defined in an impl for the type `Foo` --> $DIR/suggest-assoc-fn-call-deref.rs:8:5 | LL | fn test() -> i32 { 1 } | ^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.