error: extraneous member `family`
 --> $DIR/extra_member2.rs:6:5
  |
6 |     family = ["homer", "marge", "bart", "lisa", "maggie",,]
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: expected a value, but found `,`
 --> $DIR/extra_member2.rs:6:58
  |
6 |     family = ["homer", "marge", "bart", "lisa", "maggie",,]
  |                                                          ^