error[E0507]: cannot move out of captured outer variable in an `Fn` closure --> $DIR/unboxed-closures-move-upvar-from-non-once-ref-closure.rs:21:9 | 19 | let y = vec![format!("World")]; //~ NOTE captured outer variable | - captured outer variable 20 | call(|| { 21 | y.into_iter(); | ^ cannot move out of captured outer variable in an `Fn` closure error: aborting due to previous error