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error[E0271]: expected `{closure@fallback-closure-wrap.rs:18:40}` to return `()`, but it returns `!`
--> $DIR/fallback-closure-wrap.rs:19:9
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LL | let error = Closure::wrap(Box::new(move || {
| ------- this closure
LL | panic!("Can't connect to server.");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `!`
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= note: expected unit type `()`
found type `!`
= note: required for the cast from `Box<{closure@$DIR/fallback-closure-wrap.rs:18:40: 18:47}>` to `Box<dyn FnMut()>`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0271`.
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