error[E0505]: cannot move out of `x` because it is borrowed --> $DIR/borrowck-unary-move.rs:3:10 | LL | fn foo(x: Box) -> isize { | - binding `x` declared here LL | let y = &*x; | --- borrow of `*x` occurs here LL | free(x); | ^ move out of `x` occurs here LL | *y | -- borrow later used here error: aborting due to previous error For more information about this error, try `rustc --explain E0505`.