error: vtable entries for `<std::vec::IntoIter<u8> as A>`: [ MetadataDropInPlace, MetadataSize, MetadataAlign, Method(<std::vec::IntoIter<u8> as Iterator>::next), Method(<std::vec::IntoIter<u8> as Iterator>::size_hint), Method(<std::vec::IntoIter<u8> as Iterator>::advance_by), Method(<std::vec::IntoIter<u8> as Iterator>::nth), ] --> $DIR/vtable-non-object-safe.rs:8:1 | LL | trait A: Iterator {} | ^^^^^^^^^^^^^^^^^ error: aborting due to previous error