error: `enum` definition cannot be nested inside `enum`
  --> $DIR/nested-enum.rs:2:5
   |
LL |     enum Bar { Baz },
   |     ^^^^
   |
help: consider creating a new `enum` definition instead of nesting
   |
LL -     enum Bar { Baz },
   |

error: `struct` definition cannot be nested inside `enum`
  --> $DIR/nested-enum.rs:4:5
   |
LL |     struct Quux { field: u8 },
   |     ^^^^^^
   |
help: consider creating a new `struct` definition instead of nesting
   |
LL -     struct Quux { field: u8 },
   |

error: `union` definition cannot be nested inside `enum`
  --> $DIR/nested-enum.rs:6:5
   |
LL |     union Wibble { field: u8 },
   |     ^^^^^
   |
help: consider creating a new `union` definition instead of nesting
   |
LL -     union Wibble { field: u8 },
   |

error: aborting due to 3 previous errors