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1 error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
2   --> $DIR/closure-wrong-kind.rs:10:19
3    |
4 LL |     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`
9 LL |     bar(closure);
10    |     --- the requirement to implement `Fn` derives from here
11
12 error: aborting due to previous error
13
14 For more information about this error, try `rustc --explain E0525`.