warning: trait `Baz` is never used
  --> $DIR/dyn-supertraits.rs:7:7
   |
LL | trait Baz: Foo<3> {}
   |       ^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: trait `Boz` is never used
  --> $DIR/dyn-supertraits.rs:26:7
   |
LL | trait Boz: Foo<3> + Foz {}
   |       ^^^

warning: struct `FozType` is never constructed
  --> $DIR/dyn-supertraits.rs:29:8
   |
LL | struct FozType;
   |        ^^^^^^^

warning: 3 warnings emitted