error[E0275]: overflow evaluating the requirement `_: Sized` --> $DIR/issue-18400.rs:24:7 | LL | 0.contains(bits); | ^^^^^^^^ | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_18400`) note: required for `{integer}` to implement `Set<&[_]>` --> $DIR/issue-18400.rs:6:16 | LL | impl<'a, T, S> Set<&'a [T]> for S where | ^^^^^^^^^^^^ ^ = note: 128 redundant requirements hidden = note: required for `{integer}` to implement `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` error: aborting due to previous error For more information about this error, try `rustc --explain E0275`.