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