error[E0275]: overflow evaluating the requirement `::Next` --> $DIR/issue-23122-2.rs:10:17 | LL | type Next = as Next>::Next; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_23122_2`) error: aborting due to previous error For more information about this error, try `rustc --explain E0275`.