error[E0502]: cannot borrow `*v` as immutable because `v` is also borrowed as mutable --> $DIR/borrowck-uniq-via-lend.rs:36:13 | LL | let w = &mut v; | - mutable borrow occurs here LL | borrow(&*v); //~ ERROR cannot borrow `*v` | ^^ immutable borrow occurs here LL | w.use_mut(); LL | } | - mutable borrow ends here error[E0502]: cannot borrow `*v` as immutable because `v` is also borrowed as mutable --> $DIR/borrowck-uniq-via-lend.rs:53:13 | LL | x = &mut v; | - mutable borrow occurs here LL | borrow(&*v); //~ ERROR cannot borrow `*v` | ^^ immutable borrow occurs here LL | x.use_mut(); LL | } | - mutable borrow ends here error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0502`.