1 error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
2 --> $DIR/issue-26046-fn-once.rs:4:19
4 LL | let closure = move || {
5 | ^^^^^^^ this closure implements `FnOnce`, not `Fn`
7 | --- closure is `FnOnce` because it moves the variable `vec` out of its environment
10 | ----------------- the requirement to implement `Fn` derives from here
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0525`.