error: All packages must have an `api` and a `data_format` attribute. For example, #[pkg(api(SomeApi), data_format(json))]
 --> tests/ui/error_enum/mandatory_outer_attrs_are_not_present.rs:1:1
  |
1 | #[lucia_macros::pkg(api(Foo), data_format())]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `lucia_macros::pkg` (in Nightly builds, run with -Z macro-backtrace for more info)