error[E0502]: cannot borrow `vec` as mutable because it is also borrowed as immutable --> $DIR/two-phase-cannot-nest-mut-self-calls.rs:14:9 | LL | vec.get({ | --- --- immutable borrow later used by call | | | immutable borrow occurs here LL | LL | vec.push(2); | ^^^^^^^^^^^ mutable borrow occurs here error: aborting due to previous error For more information about this error, try `rustc --explain E0502`.