use rustc_hir::{self as hir, HirId, ItemKind, Node};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::layout::LayoutOf as _;
-use rustc_middle::ty::{Adt, Ty, TypeFoldable};
+use rustc_middle::ty::{Adt, Ty, TypeVisitable};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::sym;
use rustc_typeck::hir_ty_to_ty;