error[E0382]: use of moved value: `t` --> $DIR/use_of_moved_value_clone_suggestions.rs:3:9 | LL | fn duplicate_rc(t: std::rc::Rc) -> (std::rc::Rc, std::rc::Rc) { | - move occurs because `t` has type `Rc`, which does not implement the `Copy` trait LL | (t, t) | - ^ value used here after move | | | value moved here | help: clone the value to increment its reference count | LL | (t.clone(), t) | ++++++++ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0382`.