error: replacing with `mem::uninitialized()` --> $DIR/repl_uninit.rs:15:23 | LL | let taken_v = mem::replace(&mut v, mem::uninitialized()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::ptr::read(&mut v)` | = note: `-D clippy::mem-replace-with-uninit` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::mem_replace_with_uninit)]` error: replacing with `mem::MaybeUninit::uninit().assume_init()` --> $DIR/repl_uninit.rs:23:23 | LL | let taken_v = mem::replace(&mut v, mem::MaybeUninit::uninit().assume_init()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::ptr::read(&mut v)` error: replacing with `mem::zeroed()` --> $DIR/repl_uninit.rs:30:23 | LL | let taken_v = mem::replace(&mut v, mem::zeroed()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider using a default value or the `take_mut` crate instead error: replacing with `mem::uninitialized()` --> $DIR/repl_uninit.rs:43:28 | LL | let taken_u = unsafe { mem::replace(uref, mem::uninitialized()) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::ptr::read(uref)` error: aborting due to 4 previous errors