error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> tests/ui/mem_replace_macro.rs:10:21 | LL | let _ = inline!(std::mem::replace($s, Default::default())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::mem-replace-with-default` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::mem_replace_with_default)]` = note: this error originates in the macro `__inline_mac_fn_main` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error