error[E0391]: cycle detected when computing the super predicates of `Chromosome`
  --> $DIR/cycle-trait-supertrait-direct.rs:3:19
   |
LL | trait Chromosome: Chromosome {
   |                   ^^^^^^^^^^
   |
   = note: ...which immediately requires computing the super predicates of `Chromosome` again
note: cycle used when collecting item types in top-level module
  --> $DIR/cycle-trait-supertrait-direct.rs:3:1
   |
LL | / trait Chromosome: Chromosome {
LL | |
LL | | }
   | |_^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0391`.