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warning: function cannot return without recursing
--> $DIR/issue-83150.rs:11:1
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LL | fn func<T: Iterator<Item = u8>>(iter: &mut T) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
LL | func(&mut iter.map(|x| x + 1))
| ------------------------------ recursive call site
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= help: a `loop` may express intention better if this is on purpose
= note: `#[warn(unconditional_recursion)]` on by default
error[E0275]: overflow evaluating the requirement `Map<&mut std::ops::Range<u8>, [closure@$DIR/issue-83150.rs:12:24: 12:27]>: Iterator`
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= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_83150`)
= note: required for `&mut Map<&mut std::ops::Range<u8>, [closure@$DIR/issue-83150.rs:12:24: 12:27]>` to implement `Iterator`
= note: 65 redundant requirements hidden
= note: required for `&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<..., ...>, ...>, ...>, ...>, ...>, ...>, ...>` to implement `Iterator`
= note: the full type name has been written to '$TEST_BUILD_DIR/recursion/issue-83150/issue-83150.long-type-hash.txt'
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0275`.
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