error[E0505]: cannot move out of `a` because it is borrowed --> $DIR/drop-with-active-borrows-1.rs:4:10 | LL | let a = "".to_string(); | - binding `a` declared here LL | let b: Vec<&str> = a.lines().collect(); | - borrow of `a` occurs here LL | drop(a); | ^ move out of `a` occurs here LL | for s in &b { | -- borrow later used here error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0505`.