error[E0201]: duplicate definitions with name `baz`:
  --> $DIR/E0201.rs:17:5
   |
LL |     fn baz(&self) -> bool;
   |     ---------------------- item in trait
...
LL |     fn baz(&self) -> bool { true }
   |     ------------------------------ previous definition here
LL |     fn baz(&self) -> bool { self.0 > 5 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definition

error[E0201]: duplicate definitions with name `Quux`:
  --> $DIR/E0201.rs:18:5
   |
LL |     type Quux;
   |     ---------- item in trait
...
LL |     type Quux = u32;
   |     ---------------- previous definition here
...
LL |     type Quux = u32;
   |     ^^^^^^^^^^^^^^^^ duplicate definition

error[E0592]: duplicate definitions with name `bar`
  --> $DIR/E0201.rs:5:5
   |
LL |     fn bar(&self) -> bool { self.0 > 5 }
   |     --------------------- other definition for `bar`
LL |     fn bar() {}
   |     ^^^^^^^^ duplicate definitions for `bar`

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0201, E0592.
For more information about an error, try `rustc --explain E0201`.