error[E0596]: cannot borrow `value` as mutable, as it is not declared as mutable
  --> $DIR/mut_mutex_lock.rs:10:6
   |
LL |     let value = value_mutex.lock().unwrap();
   |         ----- help: consider changing this to be mutable: `mut value`
LL |     *value += 1;
   |      ^^^^^ cannot borrow as mutable

error[E0596]: cannot borrow `value` as mutable, as it is not declared as mutable
  --> $DIR/mut_mutex_lock.rs:16:6
   |
LL |     let value = value_rc.lock().unwrap();
   |         ----- help: consider changing this to be mutable: `mut value`
LL |     *value += 1;
   |      ^^^^^ cannot borrow as mutable

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0596`.