error: a `const` item should not be interior mutable --> tests/ui/crashes/ice-9445.rs:1:1 | LL | const UNINIT: core::mem::MaybeUninit> = core::mem::MaybeUninit::uninit(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` error: aborting due to 1 previous error