error[E0275]: overflow evaluating the requirement `_: std::marker::Sized`
  --> $DIR/issue-18400.rs:24:7
   |
LL |     0.contains(bits);
   |       ^^^^^^^^
   |
   = help: consider adding a `#![recursion_limit="256"]` attribute to your crate
   = note: required because of the requirements on the impl of `Set<&[_]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[_]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[_]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[_]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[_]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[_]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[_]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[_]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[_]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`
   = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0275`.