error[E0004]: non-exhaustive patterns: `Bar { bar: C, .. }`, `Bar { bar: D, .. }`, `Bar { bar: E, .. }` and 1 more not covered
  --> $DIR/issue-39362.rs:20:11
   |
LL |     match f {
   |           ^ patterns `Bar { bar: C, .. }`, `Bar { bar: D, .. }`, `Bar { bar: E, .. }` and 1 more not covered

error: aborting due to previous error

For more information about this error, try `rustc --explain E0004`.