vlib/v/checker/tests/generics_method_arg_type_err.vv:14:20: error: `node_create` parameter `t` is not `mut`, `mut` is not needed`
   12 |         name: 'Gecko'
   13 |     }
   14 |     r.node_create(mut g)
      |                       ^
   15 | }
   16 |
