error: to use a constant of type `S` in a pattern, `S` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/match_ice.rs:11:9
   |
LL |         C => {}
   |         ^

error[E0004]: non-exhaustive patterns: `&T` not covered
  --> $DIR/match_ice.rs:15:11
   |
LL | struct T;
   | --------- `T` defined here
...
LL |     match K {
   |           ^ pattern `&T` not covered
   |
   = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0004`.