v/vlib/v/checker/tests/unimplemented_interface_j.out

vlib/v/checker/tests/unimplemented_interface_j.vv:12:13: error: `Cat` incorrectly implements interface `Animal`, field `name` must be mutable
   10 | fn main() {
   11 |     mut animals := []Animal{}
   12 |     animals << Cat{}
      |                ~~~~~
   13 | }