error[E0502]: cannot borrow `*v` as immutable because it is also borrowed as mutable --> $DIR/borrowck-uniq-via-lend.rs:46:12 | LL | let w = &mut v; | ------ mutable borrow occurs here LL | borrow(&*v); //~ ERROR cannot borrow `*v` | ^^^ immutable borrow occurs here LL | w.use_mut(); | - borrow later used here error[E0502]: cannot borrow `*v` as immutable because it is also borrowed as mutable --> $DIR/borrowck-uniq-via-lend.rs:63:12 | LL | x = &mut v; | ------ mutable borrow occurs here LL | borrow(&*v); //~ ERROR cannot borrow `*v` | ^^^ immutable borrow occurs here LL | x.use_mut(); | - borrow later used here error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0502`.