error[E0515]: cannot return value referencing local data `*v` --> $DIR/regions-close-object-into-object-1.rs:12:5 | LL | Box::new(B(&*v)) as Box | ^^^^^^^^^^^---^^^^^^^^^^^^ | | | | | `*v` is borrowed here | returns a value referencing data owned by the current function error: aborting due to previous error For more information about this error, try `rustc --explain E0515`.