error: struct update has no effect, all the fields in the struct have already been specified --> tests/ui/needless_update.rs:19:23 | LL | S { a: 1, b: 1, ..base }; | ^^^^ | = note: `-D clippy::needless-update` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_update)]` error: aborting due to 1 previous error