src/test/ui/traits/mutual-recursion-issue-75860.stderr

   1 error[E0275]: overflow evaluating the requirement `Option<_>: Sized`
   2   --> $DIR/mutual-recursion-issue-75860.rs:11:5
   3    |
   4 LL |     iso(left, right)
   5    |     ^^^
   6    |
   7    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`mutual_recursion_issue_75860`)
   8 note: required by a bound in `Option`
   9   --> $SRC_DIR/core/src/option.rs:LL:COL
  10    |
  11 LL | pub enum Option<T> {
  12    |                 ^ required by this bound in `Option`
  13
  14 error: aborting due to previous error
  15
  16 For more information about this error, try `rustc --explain E0275`.