error[E0602]: `warnings` lint group is not supported with ´--force-warn´

error[E0602]: `warnings` lint group is not supported with ´--force-warn´
   |
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0602`.