1 error[E0597]: `books` does not live long enough
2 --> $DIR/borrowck-escaping-closure-error-1.rs:23:11
4 LL | spawn(|| books.push(4));
5 | ^^^^^^^^^^^^^^^^ borrowed value does not live long enough
8 | - `books` dropped here while still borrowed
10 = note: borrowed value must be valid for the static lifetime...
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0597`.