1 error[E0277]: the trait bound `X: std::cmp::Ord` is not satisfied
2 --> $DIR/issue-20162.rs:15:7
5 | ^^^^ the trait `std::cmp::Ord` is not implemented for `X`
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0277`.