1error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
2  --> $DIR/closure-wrong-kind.rs:10:19
3   |
4LL |     let closure = |_| foo(x);
5   |                   ^^^^^^^^-^
6   |                   |       |
7   |                   |       closure is `FnOnce` because it moves the variable `x` out of its environment
8   |                   this closure implements `FnOnce`, not `Fn`
9LL |     bar(closure);
10   |     --- the requirement to implement `Fn` derives from here
11
12error: aborting due to previous error
13
14For more information about this error, try `rustc --explain E0525`.
15