error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/impl-foreign-for-foreign[foreign].rs:12:1 | LL | impl Remote1> for i32 { | ^^^^^----------------^^^^^--- | | | | | | | `i32` is not defined in the current crate | | `std::rc::Rc` is not defined in the current crate | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/impl-foreign-for-foreign[foreign].rs:16:1 | LL | impl Remote1> for f64 { | ^^^^^------------------^^^^^--- | | | | | | | `f64` is not defined in the current crate | | `std::rc::Rc` is not defined in the current crate | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/impl-foreign-for-foreign[foreign].rs:20:1 | LL | impl Remote1> for f32 { | ^^^^^^^^--------------^^^^^--- | | | | | | | `f32` is not defined in the current crate | | `std::rc::Rc` is not defined in the current crate | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0117`.