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-rw-r--r--clippy_lints/src/copy_iterator.rs2
-rw-r--r--clippy_lints/src/default_union_representation.rs2
-rw-r--r--clippy_lints/src/dereference.rs16
-rw-r--r--clippy_lints/src/derivable_impls.rs4
-rw-r--r--clippy_lints/src/derive.rs4
-rw-r--r--clippy_lints/src/doc.rs12
-rw-r--r--clippy_lints/src/empty_enum.rs2
-rw-r--r--clippy_lints/src/enum_variants.rs4
-rw-r--r--clippy_lints/src/escape.rs2
-rw-r--r--clippy_lints/src/exhaustive_items.rs2
-rw-r--r--clippy_lints/src/fallible_impl_from.rs4
-rw-r--r--clippy_lints/src/from_over_into.rs2
-rw-r--r--clippy_lints/src/functions/must_use.rs20
-rw-r--r--clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs2
-rw-r--r--clippy_lints/src/functions/result.rs14
-rw-r--r--clippy_lints/src/implicit_hasher.rs2
-rw-r--r--clippy_lints/src/inherent_to_string.rs4
-rw-r--r--clippy_lints/src/iter_not_returning_iterator.rs4
-rw-r--r--clippy_lints/src/large_enum_variant.rs2
-rw-r--r--clippy_lints/src/len_zero.rs10
-rw-r--r--clippy_lints/src/lifetimes.rs2
-rw-r--r--clippy_lints/src/manual_non_exhaustive.rs2
-rw-r--r--clippy_lints/src/methods/mod.rs12
-rw-r--r--clippy_lints/src/missing_doc.rs10
-rw-r--r--clippy_lints/src/missing_inline.rs10
-rw-r--r--clippy_lints/src/mut_key.rs2
-rw-r--r--clippy_lints/src/new_without_default.rs4
-rw-r--r--clippy_lints/src/non_copy_const.rs2
-rw-r--r--clippy_lints/src/non_send_fields_in_send_ty.rs2
-rw-r--r--clippy_lints/src/only_used_in_recursion.rs16
-rw-r--r--clippy_lints/src/operators/op_ref.rs2
-rw-r--r--clippy_lints/src/partialeq_ne_impl.rs2
-rw-r--r--clippy_lints/src/pass_by_ref_or_value.rs2
-rw-r--r--clippy_lints/src/ptr.rs8
-rw-r--r--clippy_lints/src/redundant_pub_crate.rs8
-rw-r--r--clippy_lints/src/return_self_not_must_use.rs2
-rw-r--r--clippy_lints/src/same_name_method.rs2
-rw-r--r--clippy_lints/src/self_named_constructors.rs2
-rw-r--r--clippy_lints/src/trailing_empty_array.rs2
-rw-r--r--clippy_lints/src/types/mod.rs4
-rw-r--r--clippy_lints/src/unused_self.rs4
-rw-r--r--clippy_lints/src/unwrap_in_result.rs2
-rw-r--r--clippy_lints/src/upper_case_acronyms.rs2
-rw-r--r--clippy_lints/src/use_self.rs4
-rw-r--r--clippy_lints/src/wildcard_imports.rs6
-rw-r--r--clippy_utils/src/lib.rs2
46 files changed, 115 insertions, 115 deletions
diff --git a/clippy_lints/src/copy_iterator.rs b/clippy_lints/src/copy_iterator.rs
index 026683f6006..e38f7726853 100644
--- a/clippy_lints/src/copy_iterator.rs
+++ b/clippy_lints/src/copy_iterator.rs
@@ -43,7 +43,7 @@ impl<'tcx> LateLintPass<'tcx> for CopyIterator {
                 of_trait: Some(ref trait_ref),
                 ..
             }) = item.kind;
-            let ty = cx.tcx.type_of(item.def_id);
+            let ty = cx.tcx.type_of(item.owner_id);
             if is_copy(cx, ty);
             if let Some(trait_id) = trait_ref.trait_def_id();
             if cx.tcx.is_diagnostic_item(sym::Iterator, trait_id);
diff --git a/clippy_lints/src/default_union_representation.rs b/clippy_lints/src/default_union_representation.rs
index 741edc13196..dec357ab75c 100644
--- a/clippy_lints/src/default_union_representation.rs
+++ b/clippy_lints/src/default_union_representation.rs
@@ -61,7 +61,7 @@ impl<'tcx> LateLintPass<'tcx> for DefaultUnionRepresentation {
                 None,
                 &format!(
                     "consider annotating `{}` with `#[repr(C)]` to explicitly specify memory layout",
-                    cx.tcx.def_path_str(item.def_id.to_def_id())
+                    cx.tcx.def_path_str(item.owner_id.to_def_id())
                 ),
             );
         }
diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs
index a95d9f5390d..c029031363b 100644
--- a/clippy_lints/src/dereference.rs
+++ b/clippy_lints/src/dereference.rs
@@ -715,47 +715,47 @@ fn walk_parents<'tcx>(
             },
             Node::Item(&Item {
                 kind: ItemKind::Static(..) | ItemKind::Const(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             })
             | Node::TraitItem(&TraitItem {
                 kind: TraitItemKind::Const(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             })
             | Node::ImplItem(&ImplItem {
                 kind: ImplItemKind::Const(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             }) if span.ctxt() == ctxt => {
-                let ty = cx.tcx.type_of(def_id.def_id);
+                let ty = cx.tcx.type_of(owner_id.def_id);
                 Some(ty_auto_deref_stability(cx, ty, precedence).position_for_result(cx))
             },
 
             Node::Item(&Item {
                 kind: ItemKind::Fn(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             })
             | Node::TraitItem(&TraitItem {
                 kind: TraitItemKind::Fn(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             })
             | Node::ImplItem(&ImplItem {
                 kind: ImplItemKind::Fn(..),
-                def_id,
+                owner_id,
                 span,
                 ..
             }) if span.ctxt() == ctxt => {
                 let output = cx
                     .tcx
-                    .erase_late_bound_regions(cx.tcx.fn_sig(def_id.to_def_id()).output());
+                    .erase_late_bound_regions(cx.tcx.fn_sig(owner_id.to_def_id()).output());
                 Some(ty_auto_deref_stability(cx, output, precedence).position_for_result(cx))
             },
 
diff --git a/clippy_lints/src/derivable_impls.rs b/clippy_lints/src/derivable_impls.rs
index 06ae5abeaeb..ae8f6b79449 100644
--- a/clippy_lints/src/derivable_impls.rs
+++ b/clippy_lints/src/derivable_impls.rs
@@ -70,7 +70,7 @@ impl<'tcx> LateLintPass<'tcx> for DerivableImpls {
                 self_ty,
                 ..
             }) = item.kind;
-            if !cx.tcx.has_attr(item.def_id.to_def_id(), sym::automatically_derived);
+            if !cx.tcx.has_attr(item.owner_id.to_def_id(), sym::automatically_derived);
             if !item.span.from_expansion();
             if let Some(def_id) = trait_ref.trait_def_id();
             if cx.tcx.is_diagnostic_item(sym::Default, def_id);
@@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for DerivableImpls {
             if let Some(Node::ImplItem(impl_item)) = cx.tcx.hir().find(impl_item_hir);
             if let ImplItemKind::Fn(_, b) = &impl_item.kind;
             if let Body { value: func_expr, .. } = cx.tcx.hir().body(*b);
-            if let Some(adt_def) = cx.tcx.type_of(item.def_id).ty_adt_def();
+            if let Some(adt_def) = cx.tcx.type_of(item.owner_id).ty_adt_def();
             if let attrs = cx.tcx.hir().attrs(item.hir_id());
             if !attrs.iter().any(|attr| attr.doc_str().is_some());
             if let child_attrs = cx.tcx.hir().attrs(impl_item_hir);
diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs
index fad984d05ca..102a02138bc 100644
--- a/clippy_lints/src/derive.rs
+++ b/clippy_lints/src/derive.rs
@@ -210,8 +210,8 @@ impl<'tcx> LateLintPass<'tcx> for Derive {
             ..
         }) = item.kind
         {
-            let ty = cx.tcx.type_of(item.def_id);
-            let is_automatically_derived = cx.tcx.has_attr(item.def_id.to_def_id(), sym::automatically_derived);
+            let ty = cx.tcx.type_of(item.owner_id);
+            let is_automatically_derived = cx.tcx.has_attr(item.owner_id.to_def_id(), sym::automatically_derived);
 
             check_hash_peq(cx, item.span, trait_ref, ty, is_automatically_derived);
             check_ord_partial_ord(cx, item.span, trait_ref, ty, is_automatically_derived);
diff --git a/clippy_lints/src/doc.rs b/clippy_lints/src/doc.rs
index b47fa6c7ecf..24d6a6951af 100644
--- a/clippy_lints/src/doc.rs
+++ b/clippy_lints/src/doc.rs
@@ -257,17 +257,17 @@ impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
         let headers = check_attrs(cx, &self.valid_idents, attrs);
         match item.kind {
             hir::ItemKind::Fn(ref sig, _, body_id) => {
-                if !(is_entrypoint_fn(cx, item.def_id.to_def_id()) || in_external_macro(cx.tcx.sess, item.span)) {
+                if !(is_entrypoint_fn(cx, item.owner_id.to_def_id()) || in_external_macro(cx.tcx.sess, item.span)) {
                     let body = cx.tcx.hir().body(body_id);
                     let mut fpu = FindPanicUnwrap {
                         cx,
-                        typeck_results: cx.tcx.typeck(item.def_id.def_id),
+                        typeck_results: cx.tcx.typeck(item.owner_id.def_id),
                         panic_span: None,
                     };
                     fpu.visit_expr(body.value);
                     lint_for_missing_headers(
                         cx,
-                        item.def_id.def_id,
+                        item.owner_id.def_id,
                         item.span,
                         sig,
                         headers,
@@ -304,7 +304,7 @@ impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
         let headers = check_attrs(cx, &self.valid_idents, attrs);
         if let hir::TraitItemKind::Fn(ref sig, ..) = item.kind {
             if !in_external_macro(cx.tcx.sess, item.span) {
-                lint_for_missing_headers(cx, item.def_id.def_id, item.span, sig, headers, None, None);
+                lint_for_missing_headers(cx, item.owner_id.def_id, item.span, sig, headers, None, None);
             }
         }
     }
@@ -319,13 +319,13 @@ impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
             let body = cx.tcx.hir().body(body_id);
             let mut fpu = FindPanicUnwrap {
                 cx,
-                typeck_results: cx.tcx.typeck(item.def_id.def_id),
+                typeck_results: cx.tcx.typeck(item.owner_id.def_id),
                 panic_span: None,
             };
             fpu.visit_expr(body.value);
             lint_for_missing_headers(
                 cx,
-                item.def_id.def_id,
+                item.owner_id.def_id,
                 item.span,
                 sig,
                 headers,
diff --git a/clippy_lints/src/empty_enum.rs b/clippy_lints/src/empty_enum.rs
index bbebc024414..0570c2a1013 100644
--- a/clippy_lints/src/empty_enum.rs
+++ b/clippy_lints/src/empty_enum.rs
@@ -49,7 +49,7 @@ impl<'tcx> LateLintPass<'tcx> for EmptyEnum {
         }
 
         if let ItemKind::Enum(..) = item.kind {
-            let ty = cx.tcx.type_of(item.def_id);
+            let ty = cx.tcx.type_of(item.owner_id);
             let adt = ty.ty_adt_def().expect("already checked whether this is an enum");
             if adt.variants().is_empty() {
                 span_lint_and_help(
diff --git a/clippy_lints/src/enum_variants.rs b/clippy_lints/src/enum_variants.rs
index 2c3487a6e10..223545fa798 100644
--- a/clippy_lints/src/enum_variants.rs
+++ b/clippy_lints/src/enum_variants.rs
@@ -265,7 +265,7 @@ impl LateLintPass<'_> for EnumVariantNames {
                     }
                     // The `module_name_repetitions` lint should only trigger if the item has the module in its
                     // name. Having the same name is accepted.
-                    if cx.tcx.visibility(item.def_id).is_public() && item_camel.len() > mod_camel.len() {
+                    if cx.tcx.visibility(item.owner_id).is_public() && item_camel.len() > mod_camel.len() {
                         let matching = count_match_start(mod_camel, &item_camel);
                         let rmatching = count_match_end(mod_camel, &item_camel);
                         let nchars = mod_camel.chars().count();
@@ -296,7 +296,7 @@ impl LateLintPass<'_> for EnumVariantNames {
             }
         }
         if let ItemKind::Enum(ref def, _) = item.kind {
-            if !(self.avoid_breaking_exported_api && cx.effective_visibilities.is_exported(item.def_id.def_id)) {
+            if !(self.avoid_breaking_exported_api && cx.effective_visibilities.is_exported(item.owner_id.def_id)) {
                 check_variant(cx, self.threshold, def, item_name, item.span);
             }
         }
diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs
index c9a8307eba4..7f1a4c4beb1 100644
--- a/clippy_lints/src/escape.rs
+++ b/clippy_lints/src/escape.rs
@@ -88,7 +88,7 @@ impl<'tcx> LateLintPass<'tcx> for BoxedLocal {
                         // be sure we have `self` parameter in this function
                         if trait_item.kind == (AssocItemKind::Fn { has_self: true }) {
                             trait_self_ty = Some(
-                                TraitRef::identity(cx.tcx, trait_item.id.def_id.to_def_id())
+                                TraitRef::identity(cx.tcx, trait_item.id.owner_id.to_def_id())
                                     .self_ty()
                                     .skip_binder(),
                             );
diff --git a/clippy_lints/src/exhaustive_items.rs b/clippy_lints/src/exhaustive_items.rs
index bb07b29b076..1fece5d1c48 100644
--- a/clippy_lints/src/exhaustive_items.rs
+++ b/clippy_lints/src/exhaustive_items.rs
@@ -73,7 +73,7 @@ impl LateLintPass<'_> for ExhaustiveItems {
     fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
         if_chain! {
             if let ItemKind::Enum(..) | ItemKind::Struct(..) = item.kind;
-            if cx.effective_visibilities.is_exported(item.def_id.def_id);
+            if cx.effective_visibilities.is_exported(item.owner_id.def_id);
             let attrs = cx.tcx.hir().attrs(item.hir_id());
             if !attrs.iter().any(|a| a.has_name(sym::non_exhaustive));
             then {
diff --git a/clippy_lints/src/fallible_impl_from.rs b/clippy_lints/src/fallible_impl_from.rs
index ef24a5d06ad..0a633f242a5 100644
--- a/clippy_lints/src/fallible_impl_from.rs
+++ b/clippy_lints/src/fallible_impl_from.rs
@@ -55,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for FallibleImplFrom {
         // check for `impl From<???> for ..`
         if_chain! {
             if let hir::ItemKind::Impl(impl_) = &item.kind;
-            if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id);
+            if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id);
             if cx.tcx.is_diagnostic_item(sym::From, impl_trait_ref.def_id);
             then {
                 lint_impl_body(cx, item.span, impl_.items);
@@ -107,7 +107,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_items: &[h
                 let body = cx.tcx.hir().body(body_id);
                 let mut fpu = FindPanicUnwrap {
                     lcx: cx,
-                    typeck_results: cx.tcx.typeck(impl_item.id.def_id.def_id),
+                    typeck_results: cx.tcx.typeck(impl_item.id.owner_id.def_id),
                     result: Vec::new(),
                 };
                 fpu.visit_expr(body.value);
diff --git a/clippy_lints/src/from_over_into.rs b/clippy_lints/src/from_over_into.rs
index 95eda4ea882..8b24a4962fb 100644
--- a/clippy_lints/src/from_over_into.rs
+++ b/clippy_lints/src/from_over_into.rs
@@ -76,7 +76,7 @@ impl<'tcx> LateLintPass<'tcx> for FromOverInto {
             && let Some(into_trait_seg) = hir_trait_ref.path.segments.last()
             // `impl Into<target_ty> for self_ty`
             && let Some(GenericArgs { args: [GenericArg::Type(target_ty)], .. }) = into_trait_seg.args
-            && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.def_id)
+            && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id)
             && cx.tcx.is_diagnostic_item(sym::Into, middle_trait_ref.def_id)
         {
             span_lint_and_then(
diff --git a/clippy_lints/src/functions/must_use.rs b/clippy_lints/src/functions/must_use.rs
index 32cba5e608a..3c7ab9c3182 100644
--- a/clippy_lints/src/functions/must_use.rs
+++ b/clippy_lints/src/functions/must_use.rs
@@ -22,9 +22,9 @@ use super::{DOUBLE_MUST_USE, MUST_USE_CANDIDATE, MUST_USE_UNIT};
 
 pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
     let attrs = cx.tcx.hir().attrs(item.hir_id());
-    let attr = cx.tcx.get_attr(item.def_id.to_def_id(), sym::must_use);
+    let attr = cx.tcx.get_attr(item.owner_id.to_def_id(), sym::must_use);
     if let hir::ItemKind::Fn(ref sig, _generics, ref body_id) = item.kind {
-        let is_public = cx.effective_visibilities.is_exported(item.def_id.def_id);
+        let is_public = cx.effective_visibilities.is_exported(item.owner_id.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
         if let Some(attr) = attr {
             check_needless_must_use(cx, sig.decl, item.hir_id(), item.span, fn_header_span, attr);
@@ -34,7 +34,7 @@ pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>
                 sig.decl,
                 cx.tcx.hir().body(*body_id),
                 item.span,
-                item.def_id.def_id,
+                item.owner_id.def_id,
                 item.span.with_hi(sig.decl.output.span().hi()),
                 "this function could have a `#[must_use]` attribute",
             );
@@ -44,20 +44,20 @@ pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>
 
 pub(super) fn check_impl_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'_>) {
     if let hir::ImplItemKind::Fn(ref sig, ref body_id) = item.kind {
-        let is_public = cx.effective_visibilities.is_exported(item.def_id.def_id);
+        let is_public = cx.effective_visibilities.is_exported(item.owner_id.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
         let attrs = cx.tcx.hir().attrs(item.hir_id());
-        let attr = cx.tcx.get_attr(item.def_id.to_def_id(), sym::must_use);
+        let attr = cx.tcx.get_attr(item.owner_id.to_def_id(), sym::must_use);
         if let Some(attr) = attr {
             check_needless_must_use(cx, sig.decl, item.hir_id(), item.span, fn_header_span, attr);
-        } else if is_public && !is_proc_macro(cx.sess(), attrs) && trait_ref_of_method(cx, item.def_id.def_id).is_none()
+        } else if is_public && !is_proc_macro(cx.sess(), attrs) && trait_ref_of_method(cx, item.owner_id.def_id).is_none()
         {
             check_must_use_candidate(
                 cx,
                 sig.decl,
                 cx.tcx.hir().body(*body_id),
                 item.span,
-                item.def_id.def_id,
+                item.owner_id.def_id,
                 item.span.with_hi(sig.decl.output.span().hi()),
                 "this method could have a `#[must_use]` attribute",
             );
@@ -67,11 +67,11 @@ pub(super) fn check_impl_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Imp
 
 pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) {
     if let hir::TraitItemKind::Fn(ref sig, ref eid) = item.kind {
-        let is_public = cx.effective_visibilities.is_exported(item.def_id.def_id);
+        let is_public = cx.effective_visibilities.is_exported(item.owner_id.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
 
         let attrs = cx.tcx.hir().attrs(item.hir_id());
-        let attr = cx.tcx.get_attr(item.def_id.to_def_id(), sym::must_use);
+        let attr = cx.tcx.get_attr(item.owner_id.to_def_id(), sym::must_use);
         if let Some(attr) = attr {
             check_needless_must_use(cx, sig.decl, item.hir_id(), item.span, fn_header_span, attr);
         } else if let hir::TraitFn::Provided(eid) = *eid {
@@ -82,7 +82,7 @@ pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Tr
                     sig.decl,
                     body,
                     item.span,
-                    item.def_id.def_id,
+                    item.owner_id.def_id,
                     item.span.with_hi(sig.decl.output.span().hi()),
                     "this method could have a `#[must_use]` attribute",
                 );
diff --git a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs
index 0831b5cc38b..2c0bf551fd7 100644
--- a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs
+++ b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs
@@ -31,7 +31,7 @@ pub(super) fn check_fn<'tcx>(
 pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) {
     if let hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(eid)) = item.kind {
         let body = cx.tcx.hir().body(eid);
-        check_raw_ptr(cx, sig.header.unsafety, sig.decl, body, item.def_id.def_id);
+        check_raw_ptr(cx, sig.header.unsafety, sig.decl, body, item.owner_id.def_id);
     }
 }
 
diff --git a/clippy_lints/src/functions/result.rs b/clippy_lints/src/functions/result.rs
index c5ce56dd2ce..5c63fb2acb1 100644
--- a/clippy_lints/src/functions/result.rs
+++ b/clippy_lints/src/functions/result.rs
@@ -34,9 +34,9 @@ fn result_err_ty<'tcx>(
 
 pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &hir::Item<'tcx>, large_err_threshold: u64) {
     if let hir::ItemKind::Fn(ref sig, _generics, _) = item.kind
-        && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.def_id.def_id, item.span)
+        && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span)
     {
-        if cx.effective_visibilities.is_exported(item.def_id.def_id) {
+        if cx.effective_visibilities.is_exported(item.owner_id.def_id) {
             let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
             check_result_unit_err(cx, err_ty, fn_header_span);
         }
@@ -47,10 +47,10 @@ pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &hir::Item<'tcx>, l
 pub(super) fn check_impl_item<'tcx>(cx: &LateContext<'tcx>, item: &hir::ImplItem<'tcx>, large_err_threshold: u64) {
     // Don't lint if method is a trait's implementation, we can't do anything about those
     if let hir::ImplItemKind::Fn(ref sig, _) = item.kind
-        && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.def_id.def_id, item.span)
-        && trait_ref_of_method(cx, item.def_id.def_id).is_none()
+        && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span)
+        && trait_ref_of_method(cx, item.owner_id.def_id).is_none()
     {
-        if cx.effective_visibilities.is_exported(item.def_id.def_id) {
+        if cx.effective_visibilities.is_exported(item.owner_id.def_id) {
             let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
             check_result_unit_err(cx, err_ty, fn_header_span);
         }
@@ -61,8 +61,8 @@ pub(super) fn check_impl_item<'tcx>(cx: &LateContext<'tcx>, item: &hir::ImplItem
 pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &hir::TraitItem<'tcx>, large_err_threshold: u64) {
     if let hir::TraitItemKind::Fn(ref sig, _) = item.kind {
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
-        if let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.def_id.def_id, item.span) {
-            if cx.effective_visibilities.is_exported(item.def_id.def_id) {
+        if let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span) {
+            if cx.effective_visibilities.is_exported(item.owner_id.def_id) {
                 check_result_unit_err(cx, err_ty, fn_header_span);
             }
             check_result_large_err(cx, err_ty, hir_ty.span, large_err_threshold);
diff --git a/clippy_lints/src/implicit_hasher.rs b/clippy_lints/src/implicit_hasher.rs
index 6415f35ddd0..94e06cf704b 100644
--- a/clippy_lints/src/implicit_hasher.rs
+++ b/clippy_lints/src/implicit_hasher.rs
@@ -111,7 +111,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitHasher {
             }
         }
 
-        if !cx.effective_visibilities.is_exported(item.def_id.def_id) {
+        if !cx.effective_visibilities.is_exported(item.owner_id.def_id) {
             return;
         }
 
diff --git a/clippy_lints/src/inherent_to_string.rs b/clippy_lints/src/inherent_to_string.rs
index 676136df572..14a37f535b4 100644
--- a/clippy_lints/src/inherent_to_string.rs
+++ b/clippy_lints/src/inherent_to_string.rs
@@ -108,7 +108,7 @@ impl<'tcx> LateLintPass<'tcx> for InherentToString {
             if is_type_diagnostic_item(cx, return_ty(cx, impl_item.hir_id()), sym::String);
 
             // Filters instances of to_string which are required by a trait
-            if trait_ref_of_method(cx, impl_item.def_id.def_id).is_none();
+            if trait_ref_of_method(cx, impl_item.owner_id.def_id).is_none();
 
             then {
                 show_lint(cx, impl_item);
@@ -124,7 +124,7 @@ fn show_lint(cx: &LateContext<'_>, item: &ImplItem<'_>) {
         .expect("Failed to get trait ID of `Display`!");
 
     // Get the real type of 'self'
-    let self_type = cx.tcx.fn_sig(item.def_id).input(0);
+    let self_type = cx.tcx.fn_sig(item.owner_id).input(0);
     let self_type = self_type.skip_binder().peel_refs();
 
     // Emit either a warning or an error
diff --git a/clippy_lints/src/iter_not_returning_iterator.rs b/clippy_lints/src/iter_not_returning_iterator.rs
index ea9f046fb97..e76de77f195 100644
--- a/clippy_lints/src/iter_not_returning_iterator.rs
+++ b/clippy_lints/src/iter_not_returning_iterator.rs
@@ -44,7 +44,7 @@ impl<'tcx> LateLintPass<'tcx> for IterNotReturningIterator {
         let name = item.ident.name.as_str();
         if matches!(name, "iter" | "iter_mut") {
             if let TraitItemKind::Fn(fn_sig, _) = &item.kind {
-                check_sig(cx, name, fn_sig, item.def_id.def_id);
+                check_sig(cx, name, fn_sig, item.owner_id.def_id);
             }
         }
     }
@@ -58,7 +58,7 @@ impl<'tcx> LateLintPass<'tcx> for IterNotReturningIterator {
             )
         {
             if let ImplItemKind::Fn(fn_sig, _) = &item.kind {
-                check_sig(cx, name, fn_sig, item.def_id.def_id);
+                check_sig(cx, name, fn_sig, item.owner_id.def_id);
             }
         }
     }
diff --git a/clippy_lints/src/large_enum_variant.rs b/clippy_lints/src/large_enum_variant.rs
index 8ed7e4bb196..06e95728549 100644
--- a/clippy_lints/src/large_enum_variant.rs
+++ b/clippy_lints/src/large_enum_variant.rs
@@ -123,7 +123,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant {
             return;
         }
         if let ItemKind::Enum(ref def, _) = item.kind {
-            let ty = cx.tcx.type_of(item.def_id);
+            let ty = cx.tcx.type_of(item.owner_id);
             let Adt(adt, subst) = ty.kind() else {
                 panic!("already checked whether this is an enum")
             };
diff --git a/clippy_lints/src/len_zero.rs b/clippy_lints/src/len_zero.rs
index 6e31812d705..b0cba40c27a 100644
--- a/clippy_lints/src/len_zero.rs
+++ b/clippy_lints/src/len_zero.rs
@@ -134,7 +134,7 @@ impl<'tcx> LateLintPass<'tcx> for LenZero {
             if item.ident.name == sym::len;
             if let ImplItemKind::Fn(sig, _) = &item.kind;
             if sig.decl.implicit_self.has_implicit_self();
-            if cx.effective_visibilities.is_exported(item.def_id.def_id);
+            if cx.effective_visibilities.is_exported(item.owner_id.def_id);
             if matches!(sig.decl.output, FnRetTy::Return(_));
             if let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id());
             if imp.of_trait.is_none();
@@ -143,7 +143,7 @@ impl<'tcx> LateLintPass<'tcx> for LenZero {
             if let Some(local_id) = ty_id.as_local();
             let ty_hir_id = cx.tcx.hir().local_def_id_to_hir_id(local_id);
             if !is_lint_allowed(cx, LEN_WITHOUT_IS_EMPTY, ty_hir_id);
-            if let Some(output) = parse_len_output(cx, cx.tcx.fn_sig(item.def_id).skip_binder());
+            if let Some(output) = parse_len_output(cx, cx.tcx.fn_sig(item.owner_id).skip_binder());
             then {
                 let (name, kind) = match cx.tcx.hir().find(ty_hir_id) {
                     Some(Node::ForeignItem(x)) => (x.ident.name, "extern type"),
@@ -195,7 +195,7 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items
     fn is_named_self(cx: &LateContext<'_>, item: &TraitItemRef, name: Symbol) -> bool {
         item.ident.name == name
             && if let AssocItemKind::Fn { has_self } = item.kind {
-                has_self && { cx.tcx.fn_sig(item.id.def_id).inputs().skip_binder().len() == 1 }
+                has_self && { cx.tcx.fn_sig(item.id.owner_id).inputs().skip_binder().len() == 1 }
             } else {
                 false
             }
@@ -210,11 +210,11 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items
         }
     }
 
-    if cx.effective_visibilities.is_exported(visited_trait.def_id.def_id)
+    if cx.effective_visibilities.is_exported(visited_trait.owner_id.def_id)
         && trait_items.iter().any(|i| is_named_self(cx, i, sym::len))
     {
         let mut current_and_super_traits = DefIdSet::default();
-        fill_trait_set(visited_trait.def_id.to_def_id(), &mut current_and_super_traits, cx);
+        fill_trait_set(visited_trait.owner_id.to_def_id(), &mut current_and_super_traits, cx);
         let is_empty = sym!(is_empty);
 
         let is_empty_method_found = current_and_super_traits
diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs
index aef253303a8..3bf2d7e4ea4 100644
--- a/clippy_lints/src/lifetimes.rs
+++ b/clippy_lints/src/lifetimes.rs
@@ -102,7 +102,7 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes {
 
     fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) {
         if let ImplItemKind::Fn(ref sig, id) = item.kind {
-            let report_extra_lifetimes = trait_ref_of_method(cx, item.def_id.def_id).is_none();
+            let report_extra_lifetimes = trait_ref_of_method(cx, item.owner_id.def_id).is_none();
             check_fn_inner(
                 cx,
                 sig.decl,
diff --git a/clippy_lints/src/manual_non_exhaustive.rs b/clippy_lints/src/manual_non_exhaustive.rs
index 6a42275322b..6806c146696 100644
--- a/clippy_lints/src/manual_non_exhaustive.rs
+++ b/clippy_lints/src/manual_non_exhaustive.rs
@@ -166,7 +166,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustiveEnum {
             if let Some((id, span)) = iter.next()
                 && iter.next().is_none()
             {
-                self.potential_enums.push((item.def_id.def_id, id, item.span, span));
+                self.potential_enums.push((item.owner_id.def_id, id, item.span, span));
             }
         }
     }
diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs
index adfa7426607..8a76ba0b064 100644
--- a/clippy_lints/src/methods/mod.rs
+++ b/clippy_lints/src/methods/mod.rs
@@ -3250,15 +3250,15 @@ impl<'tcx> LateLintPass<'tcx> for Methods {
         let name = impl_item.ident.name.as_str();
         let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id()).def_id;
         let item = cx.tcx.hir().expect_item(parent);
-        let self_ty = cx.tcx.type_of(item.def_id);
+        let self_ty = cx.tcx.type_of(item.owner_id);
 
         let implements_trait = matches!(item.kind, hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }));
         if let hir::ImplItemKind::Fn(ref sig, id) = impl_item.kind {
-            let method_sig = cx.tcx.fn_sig(impl_item.def_id);
+            let method_sig = cx.tcx.fn_sig(impl_item.owner_id);
             let method_sig = cx.tcx.erase_late_bound_regions(method_sig);
             let first_arg_ty_opt = method_sig.inputs().iter().next().copied();
             // if this impl block implements a trait, lint in trait definition instead
-            if !implements_trait && cx.effective_visibilities.is_exported(impl_item.def_id.def_id) {
+            if !implements_trait && cx.effective_visibilities.is_exported(impl_item.owner_id.def_id) {
                 // check missing trait implementations
                 for method_config in &TRAIT_METHODS {
                     if name == method_config.method_name
@@ -3292,7 +3292,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods {
 
             if sig.decl.implicit_self.has_implicit_self()
                     && !(self.avoid_breaking_exported_api
-                    && cx.effective_visibilities.is_exported(impl_item.def_id.def_id))
+                    && cx.effective_visibilities.is_exported(impl_item.owner_id.def_id))
                     && let Some(first_arg) = iter_input_pats(sig.decl, cx.tcx.hir().body(id)).next()
                     && let Some(first_arg_ty) = first_arg_ty_opt
                 {
@@ -3370,7 +3370,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods {
             then {
                 let first_arg_span = first_arg_ty.span;
                 let first_arg_ty = hir_ty_to_ty(cx.tcx, first_arg_ty);
-                let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id())
+                let self_ty = TraitRef::identity(cx.tcx, item.owner_id.to_def_id())
                     .self_ty()
                     .skip_binder();
                 wrong_self_convention::check(
@@ -3389,7 +3389,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods {
             if item.ident.name == sym::new;
             if let TraitItemKind::Fn(_, _) = item.kind;
             let ret_ty = return_ty(cx, item.hir_id());
-            let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id())
+            let self_ty = TraitRef::identity(cx.tcx, item.owner_id.to_def_id())
                 .self_ty()
                 .skip_binder();
             if !ret_ty.contains(self_ty);
diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs
index b3f1553cfea..2a63681db60 100644
--- a/clippy_lints/src/missing_doc.rs
+++ b/clippy_lints/src/missing_doc.rs
@@ -131,7 +131,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
             hir::ItemKind::Fn(..) => {
                 // ignore main()
                 if it.ident.name == sym::main {
-                    let at_root = cx.tcx.local_parent(it.def_id.def_id) == CRATE_DEF_ID;
+                    let at_root = cx.tcx.local_parent(it.owner_id.def_id) == CRATE_DEF_ID;
                     if at_root {
                         return;
                     }
@@ -155,7 +155,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
             | hir::ItemKind::Use(..) => return,
         };
 
-        let (article, desc) = cx.tcx.article_and_description(it.def_id.to_def_id());
+        let (article, desc) = cx.tcx.article_and_description(it.owner_id.to_def_id());
 
         let attrs = cx.tcx.hir().attrs(it.hir_id());
         if !is_from_proc_macro(cx, it) {
@@ -164,7 +164,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
     }
 
     fn check_trait_item(&mut self, cx: &LateContext<'tcx>, trait_item: &'tcx hir::TraitItem<'_>) {
-        let (article, desc) = cx.tcx.article_and_description(trait_item.def_id.to_def_id());
+        let (article, desc) = cx.tcx.article_and_description(trait_item.owner_id.to_def_id());
 
         let attrs = cx.tcx.hir().attrs(trait_item.hir_id());
         if !is_from_proc_macro(cx, trait_item) {
@@ -174,7 +174,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
 
     fn check_impl_item(&mut self, cx: &LateContext<'tcx>, impl_item: &'tcx hir::ImplItem<'_>) {
         // If the method is an impl for a trait, don't doc.
-        if let Some(cid) = cx.tcx.associated_item(impl_item.def_id).impl_container(cx.tcx) {
+        if let Some(cid) = cx.tcx.associated_item(impl_item.owner_id).impl_container(cx.tcx) {
             if cx.tcx.impl_trait_ref(cid).is_some() {
                 return;
             }
@@ -182,7 +182,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
             return;
         }
 
-        let (article, desc) = cx.tcx.article_and_description(impl_item.def_id.to_def_id());
+        let (article, desc) = cx.tcx.article_and_description(impl_item.owner_id.to_def_id());
         let attrs = cx.tcx.hir().attrs(impl_item.hir_id());
         if !is_from_proc_macro(cx, impl_item) {
             self.check_missing_docs_attrs(cx, attrs, impl_item.span, article, desc);
diff --git a/clippy_lints/src/missing_inline.rs b/clippy_lints/src/missing_inline.rs
index ed9da2d9217..758ce47cf11 100644
--- a/clippy_lints/src/missing_inline.rs
+++ b/clippy_lints/src/missing_inline.rs
@@ -88,7 +88,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
             return;
         }
 
-        if !cx.effective_visibilities.is_exported(it.def_id.def_id) {
+        if !cx.effective_visibilities.is_exported(it.owner_id.def_id) {
             return;
         }
         match it.kind {
@@ -105,7 +105,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
                     match tit_.kind {
                         hir::TraitItemKind::Const(..) | hir::TraitItemKind::Type(..) => {},
                         hir::TraitItemKind::Fn(..) => {
-                            if cx.tcx.impl_defaultness(tit.id.def_id).has_value() {
+                            if cx.tcx.impl_defaultness(tit.id.owner_id).has_value() {
                                 // trait method with default body needs inline in case
                                 // an impl is not provided
                                 let desc = "a default trait method";
@@ -142,7 +142,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
         }
 
         // If the item being implemented is not exported, then we don't need #[inline]
-        if !cx.effective_visibilities.is_exported(impl_item.def_id.def_id) {
+        if !cx.effective_visibilities.is_exported(impl_item.owner_id.def_id) {
             return;
         }
 
@@ -151,7 +151,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
             hir::ImplItemKind::Const(..) | hir::ImplItemKind::Type(_) => return,
         };
 
-        let assoc_item = cx.tcx.associated_item(impl_item.def_id);
+        let assoc_item = cx.tcx.associated_item(impl_item.owner_id);
         let container_id = assoc_item.container_id(cx.tcx);
         let trait_def_id = match assoc_item.container {
             TraitContainer => Some(container_id),
@@ -159,7 +159,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
         };
 
         if let Some(trait_def_id) = trait_def_id {
-            if trait_def_id.is_local() && !cx.effective_visibilities.is_exported(impl_item.def_id.def_id) {
+            if trait_def_id.is_local() && !cx.effective_visibilities.is_exported(impl_item.owner_id.def_id) {
                 // If a trait is being implemented for an item, and the
                 // trait is not exported, we don't need #[inline]
                 return;
diff --git a/clippy_lints/src/mut_key.rs b/clippy_lints/src/mut_key.rs
index 25d6ca83a94..8a2e77980b3 100644
--- a/clippy_lints/src/mut_key.rs
+++ b/clippy_lints/src/mut_key.rs
@@ -89,7 +89,7 @@ impl<'tcx> LateLintPass<'tcx> for MutableKeyType {
 
     fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'tcx>) {
         if let hir::ImplItemKind::Fn(ref sig, ..) = item.kind {
-            if trait_ref_of_method(cx, item.def_id.def_id).is_none() {
+            if trait_ref_of_method(cx, item.owner_id.def_id).is_none() {
                 check_sig(cx, item.hir_id(), sig.decl);
             }
         }
diff --git a/clippy_lints/src/new_without_default.rs b/clippy_lints/src/new_without_default.rs
index 99166c68936..54a3c82b713 100644
--- a/clippy_lints/src/new_without_default.rs
+++ b/clippy_lints/src/new_without_default.rs
@@ -84,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for NewWithoutDefault {
                             // can't be implemented for unsafe new
                             return;
                         }
-                        if cx.tcx.is_doc_hidden(impl_item.def_id.def_id) {
+                        if cx.tcx.is_doc_hidden(impl_item.owner_id.def_id) {
                             // shouldn't be implemented when it is hidden in docs
                             return;
                         }
@@ -96,7 +96,7 @@ impl<'tcx> LateLintPass<'tcx> for NewWithoutDefault {
                         if_chain! {
                             if sig.decl.inputs.is_empty();
                             if name == sym::new;
-                            if cx.effective_visibilities.is_reachable(impl_item.def_id.def_id);
+                            if cx.effective_visibilities.is_reachable(impl_item.owner_id.def_id);
                             let self_def_id = cx.tcx.hir().get_parent_item(id);
                             let self_ty = cx.tcx.type_of(self_def_id);
                             if self_ty == return_ty(cx, id);
diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs
index a6742824bc5..938560b625e 100644
--- a/clippy_lints/src/non_copy_const.rs
+++ b/clippy_lints/src/non_copy_const.rs
@@ -303,7 +303,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst {
                         if let Some(of_trait_def_id) = of_trait_ref.trait_def_id();
                         if let Some(of_assoc_item) = cx
                             .tcx
-                            .associated_item(impl_item.def_id)
+                            .associated_item(impl_item.owner_id)
                             .trait_item_def_id;
                         if cx
                             .tcx
diff --git a/clippy_lints/src/non_send_fields_in_send_ty.rs b/clippy_lints/src/non_send_fields_in_send_ty.rs
index ddef7352de8..714c0ff227b 100644
--- a/clippy_lints/src/non_send_fields_in_send_ty.rs
+++ b/clippy_lints/src/non_send_fields_in_send_ty.rs
@@ -89,7 +89,7 @@ impl<'tcx> LateLintPass<'tcx> for NonSendFieldInSendTy {
             if let Some(trait_id) = trait_ref.trait_def_id();
             if send_trait == trait_id;
             if hir_impl.polarity == ImplPolarity::Positive;
-            if let Some(ty_trait_ref) = cx.tcx.impl_trait_ref(item.def_id);
+            if let Some(ty_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id);
             if let self_ty = ty_trait_ref.self_ty();
             if let ty::Adt(adt_def, impl_trait_substs) = self_ty.kind();
             then {
diff --git a/clippy_lints/src/only_used_in_recursion.rs b/clippy_lints/src/only_used_in_recursion.rs
index d64a9cf71e1..7722a476d7b 100644
--- a/clippy_lints/src/only_used_in_recursion.rs
+++ b/clippy_lints/src/only_used_in_recursion.rs
@@ -227,25 +227,25 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion {
         // `skip_params` is either `0` or `1` to skip the `self` parameter in trait functions.
         // It can't be renamed, and it can't be removed without removing it from multiple functions.
         let (fn_id, fn_kind, skip_params) = match get_parent_node(cx.tcx, body.value.hir_id) {
-            Some(Node::Item(i)) => (i.def_id.to_def_id(), FnKind::Fn, 0),
+            Some(Node::Item(i)) => (i.owner_id.to_def_id(), FnKind::Fn, 0),
             Some(Node::TraitItem(&TraitItem {
                 kind: TraitItemKind::Fn(ref sig, _),
-                def_id,
+                owner_id,
                 ..
             })) => (
-                def_id.to_def_id(),
+                owner_id.to_def_id(),
                 FnKind::TraitFn,
                 usize::from(sig.decl.implicit_self.has_implicit_self()),
             ),
             Some(Node::ImplItem(&ImplItem {
                 kind: ImplItemKind::Fn(ref sig, _),
-                def_id,
+                owner_id,
                 ..
             })) => {
                 #[allow(trivial_casts)]
-                if let Some(Node::Item(item)) = get_parent_node(cx.tcx, def_id.into())
-                    && let Some(trait_ref) = cx.tcx.impl_trait_ref(item.def_id)
-                    && let Some(trait_item_id) = cx.tcx.associated_item(def_id).trait_item_def_id
+                if let Some(Node::Item(item)) = get_parent_node(cx.tcx, owner_id.into())
+                    && let Some(trait_ref) = cx.tcx.impl_trait_ref(item.owner_id)
+                    && let Some(trait_item_id) = cx.tcx.associated_item(owner_id).trait_item_def_id
                 {
                     (
                         trait_item_id,
@@ -253,7 +253,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion {
                         usize::from(sig.decl.implicit_self.has_implicit_self()),
                     )
                 } else {
-                    (def_id.to_def_id(), FnKind::Fn, 0)
+                    (owner_id.to_def_id(), FnKind::Fn, 0)
                 }
             },
             _ => return,
diff --git a/clippy_lints/src/operators/op_ref.rs b/clippy_lints/src/operators/op_ref.rs
index 1085e608944..71b31b5e4a5 100644
--- a/clippy_lints/src/operators/op_ref.rs
+++ b/clippy_lints/src/operators/op_ref.rs
@@ -204,7 +204,7 @@ fn are_equal<'tcx>(cx: &LateContext<'tcx>, middle_ty: Ty<'_>, hir_ty: &rustc_hir
         if let ty::Adt(adt_def, _) = middle_ty.kind();
         if let Some(local_did) = adt_def.did().as_local();
         let item = cx.tcx.hir().expect_item(local_did);
-        let middle_ty_id = item.def_id.to_def_id();
+        let middle_ty_id = item.owner_id.to_def_id();
         if let TyKind::Path(QPath::Resolved(_, path)) = hir_ty.kind;
         if let Res::Def(_, hir_ty_id) = path.res;
 
diff --git a/clippy_lints/src/partialeq_ne_impl.rs b/clippy_lints/src/partialeq_ne_impl.rs
index 09ac514d014..5aa3c6f2f93 100644
--- a/clippy_lints/src/partialeq_ne_impl.rs
+++ b/clippy_lints/src/partialeq_ne_impl.rs
@@ -36,7 +36,7 @@ impl<'tcx> LateLintPass<'tcx> for PartialEqNeImpl {
     fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
         if_chain! {
             if let ItemKind::Impl(Impl { of_trait: Some(ref trait_ref), items: impl_items, .. }) = item.kind;
-            if !cx.tcx.has_attr(item.def_id.to_def_id(), sym::automatically_derived);
+            if !cx.tcx.has_attr(item.owner_id.to_def_id(), sym::automatically_derived);
             if let Some(eq_trait) = cx.tcx.lang_items().eq_trait();
             if trait_ref.path.res.def_id() == eq_trait;
             then {
diff --git a/clippy_lints/src/pass_by_ref_or_value.rs b/clippy_lints/src/pass_by_ref_or_value.rs
index c55985275db..f9fd3645668 100644
--- a/clippy_lints/src/pass_by_ref_or_value.rs
+++ b/clippy_lints/src/pass_by_ref_or_value.rs
@@ -261,7 +261,7 @@ impl<'tcx> LateLintPass<'tcx> for PassByRefOrValue {
         }
 
         if let hir::TraitItemKind::Fn(method_sig, _) = &item.kind {
-            self.check_poly_fn(cx, item.def_id.def_id, method_sig.decl, None);
+            self.check_poly_fn(cx, item.owner_id.def_id, method_sig.decl, None);
         }
     }
 
diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs
index 40db315bf27..0d74c90a834 100644
--- a/clippy_lints/src/ptr.rs
+++ b/clippy_lints/src/ptr.rs
@@ -164,7 +164,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr {
             check_mut_from_ref(cx, sig, None);
             for arg in check_fn_args(
                 cx,
-                cx.tcx.fn_sig(item.def_id).skip_binder().inputs(),
+                cx.tcx.fn_sig(item.owner_id).skip_binder().inputs(),
                 sig.decl.inputs,
                 &[],
             )
@@ -188,7 +188,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr {
         let (item_id, sig, is_trait_item) = match parents.next() {
             Some((_, Node::Item(i))) => {
                 if let ItemKind::Fn(sig, ..) = &i.kind {
-                    (i.def_id, sig, false)
+                    (i.owner_id, sig, false)
                 } else {
                     return;
                 }
@@ -200,14 +200,14 @@ impl<'tcx> LateLintPass<'tcx> for Ptr {
                     return;
                 }
                 if let ImplItemKind::Fn(sig, _) = &i.kind {
-                    (i.def_id, sig, false)
+                    (i.owner_id, sig, false)
                 } else {
                     return;
                 }
             },
             Some((_, Node::TraitItem(i))) => {
                 if let TraitItemKind::Fn(sig, _) = &i.kind {
-                    (i.def_id, sig, true)
+                    (i.owner_id, sig, true)
                 } else {
                     return;
                 }
diff --git a/clippy_lints/src/redundant_pub_crate.rs b/clippy_lints/src/redundant_pub_crate.rs
index bc73613a150..26075e9f70f 100644
--- a/clippy_lints/src/redundant_pub_crate.rs
+++ b/clippy_lints/src/redundant_pub_crate.rs
@@ -46,12 +46,12 @@ impl_lint_pass!(RedundantPubCrate => [REDUNDANT_PUB_CRATE]);
 impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate {
     fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
         if_chain! {
-            if cx.tcx.visibility(item.def_id.def_id) == ty::Visibility::Restricted(CRATE_DEF_ID.to_def_id());
-            if !cx.effective_visibilities.is_exported(item.def_id.def_id) && self.is_exported.last() == Some(&false);
+            if cx.tcx.visibility(item.owner_id.def_id) == ty::Visibility::Restricted(CRATE_DEF_ID.to_def_id());
+            if !cx.effective_visibilities.is_exported(item.owner_id.def_id) && self.is_exported.last() == Some(&false);
             if is_not_macro_export(item);
             then {
                 let span = item.span.with_hi(item.ident.span.hi());
-                let descr = cx.tcx.def_kind(item.def_id).descr(item.def_id.to_def_id());
+                let descr = cx.tcx.def_kind(item.owner_id).descr(item.owner_id.to_def_id());
                 span_lint_and_then(
                     cx,
                     REDUNDANT_PUB_CRATE,
@@ -70,7 +70,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate {
         }
 
         if let ItemKind::Mod { .. } = item.kind {
-            self.is_exported.push(cx.effective_visibilities.is_exported(item.def_id.def_id));
+            self.is_exported.push(cx.effective_visibilities.is_exported(item.owner_id.def_id));
         }
     }
 
diff --git a/clippy_lints/src/return_self_not_must_use.rs b/clippy_lints/src/return_self_not_must_use.rs
index 7f34be5e7fd..b77faf7322b 100644
--- a/clippy_lints/src/return_self_not_must_use.rs
+++ b/clippy_lints/src/return_self_not_must_use.rs
@@ -128,7 +128,7 @@ impl<'tcx> LateLintPass<'tcx> for ReturnSelfNotMustUse {
 
     fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'tcx>) {
         if let TraitItemKind::Fn(ref sig, _) = item.kind {
-            check_method(cx, sig.decl, item.def_id.def_id, item.span, item.hir_id());
+            check_method(cx, sig.decl, item.owner_id.def_id, item.span, item.hir_id());
         }
     }
 }
diff --git a/clippy_lints/src/same_name_method.rs b/clippy_lints/src/same_name_method.rs
index 4249063d2d4..caab5851baf 100644
--- a/clippy_lints/src/same_name_method.rs
+++ b/clippy_lints/src/same_name_method.rs
@@ -52,7 +52,7 @@ impl<'tcx> LateLintPass<'tcx> for SameNameMethod {
         let mut map = FxHashMap::<Res, ExistingName>::default();
 
         for id in cx.tcx.hir().items() {
-            if matches!(cx.tcx.def_kind(id.def_id), DefKind::Impl)
+            if matches!(cx.tcx.def_kind(id.owner_id), DefKind::Impl)
                 && let item = cx.tcx.hir().item(id)
                 && let ItemKind::Impl(Impl {
                   items,
diff --git a/clippy_lints/src/self_named_constructors.rs b/clippy_lints/src/self_named_constructors.rs
index 1ac538f4c7c..71b387c66a3 100644
--- a/clippy_lints/src/self_named_constructors.rs
+++ b/clippy_lints/src/self_named_constructors.rs
@@ -53,7 +53,7 @@ impl<'tcx> LateLintPass<'tcx> for SelfNamedConstructors {
 
         let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id()).def_id;
         let item = cx.tcx.hir().expect_item(parent);
-        let self_ty = cx.tcx.type_of(item.def_id);
+        let self_ty = cx.tcx.type_of(item.owner_id);
         let ret_ty = return_ty(cx, impl_item.hir_id());
 
         // Do not check trait impls
diff --git a/clippy_lints/src/trailing_empty_array.rs b/clippy_lints/src/trailing_empty_array.rs
index 58cc057a39e..8cf3efc8dc7 100644
--- a/clippy_lints/src/trailing_empty_array.rs
+++ b/clippy_lints/src/trailing_empty_array.rs
@@ -46,7 +46,7 @@ impl<'tcx> LateLintPass<'tcx> for TrailingEmptyArray {
                 None,
                 &format!(
                     "consider annotating `{}` with `#[repr(C)]` or another `repr` attribute",
-                    cx.tcx.def_path_str(item.def_id.to_def_id())
+                    cx.tcx.def_path_str(item.owner_id.to_def_id())
                 ),
             );
         }
diff --git a/clippy_lints/src/types/mod.rs b/clippy_lints/src/types/mod.rs
index 40cdcc3865b..f6de87b0526 100644
--- a/clippy_lints/src/types/mod.rs
+++ b/clippy_lints/src/types/mod.rs
@@ -333,7 +333,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
     }
 
     fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
-        let is_exported = cx.effective_visibilities.is_exported(item.def_id.def_id);
+        let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id);
 
         match item.kind {
             ItemKind::Static(ty, _, _) | ItemKind::Const(ty, _) => self.check_ty(
@@ -392,7 +392,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
     }
 
     fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &TraitItem<'_>) {
-        let is_exported = cx.effective_visibilities.is_exported(item.def_id.def_id);
+        let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id);
 
         let context = CheckTyContext {
             is_exported,
diff --git a/clippy_lints/src/unused_self.rs b/clippy_lints/src/unused_self.rs
index 62ab927d2f5..42bccc7212b 100644
--- a/clippy_lints/src/unused_self.rs
+++ b/clippy_lints/src/unused_self.rs
@@ -56,12 +56,12 @@ impl<'tcx> LateLintPass<'tcx> for UnusedSelf {
         }
         let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id()).def_id;
         let parent_item = cx.tcx.hir().expect_item(parent);
-        let assoc_item = cx.tcx.associated_item(impl_item.def_id);
+        let assoc_item = cx.tcx.associated_item(impl_item.owner_id);
         if_chain! {
             if let ItemKind::Impl(Impl { of_trait: None, .. }) = parent_item.kind;
             if assoc_item.fn_has_self_parameter;
             if let ImplItemKind::Fn(.., body_id) = &impl_item.kind;
-            if !cx.effective_visibilities.is_exported(impl_item.def_id.def_id) || !self.avoid_breaking_exported_api;
+            if !cx.effective_visibilities.is_exported(impl_item.owner_id.def_id) || !self.avoid_breaking_exported_api;
             let body = cx.tcx.hir().body(*body_id);
             if let [self_param, ..] = body.params;
             if !is_local_used(cx, body, self_param.pat.hir_id);
diff --git a/clippy_lints/src/unwrap_in_result.rs b/clippy_lints/src/unwrap_in_result.rs
index a69719b127b..f3611d17434 100644
--- a/clippy_lints/src/unwrap_in_result.rs
+++ b/clippy_lints/src/unwrap_in_result.rs
@@ -76,7 +76,7 @@ impl<'tcx> LateLintPass<'tcx> for UnwrapInResult {
 fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_item: &'tcx hir::ImplItem<'_>) {
     if let ImplItemKind::Fn(_, body_id) = impl_item.kind {
         let body = cx.tcx.hir().body(body_id);
-        let typeck = cx.tcx.typeck(impl_item.def_id.def_id);
+        let typeck = cx.tcx.typeck(impl_item.owner_id.def_id);
         let mut result = Vec::new();
         let _: Option<!> = for_each_expr(body.value, |e| {
             // check for `expect`
diff --git a/clippy_lints/src/upper_case_acronyms.rs b/clippy_lints/src/upper_case_acronyms.rs
index 7a20148c70a..1d2d3eb12e1 100644
--- a/clippy_lints/src/upper_case_acronyms.rs
+++ b/clippy_lints/src/upper_case_acronyms.rs
@@ -105,7 +105,7 @@ impl LateLintPass<'_> for UpperCaseAcronyms {
     fn check_item(&mut self, cx: &LateContext<'_>, it: &Item<'_>) {
         // do not lint public items or in macros
         if in_external_macro(cx.sess(), it.span)
-            || (self.avoid_breaking_exported_api && cx.effective_visibilities.is_exported(it.def_id.def_id))
+            || (self.avoid_breaking_exported_api && cx.effective_visibilities.is_exported(it.owner_id.def_id))
         {
             return;
         }
diff --git a/clippy_lints/src/use_self.rs b/clippy_lints/src/use_self.rs
index 65f1b546208..c6cdf3f85fc 100644
--- a/clippy_lints/src/use_self.rs
+++ b/clippy_lints/src/use_self.rs
@@ -106,7 +106,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf {
             if !is_from_proc_macro(cx, item); // expensive, should be last check
             then {
                 StackItem::Check {
-                    impl_id: item.def_id.def_id,
+                    impl_id: item.owner_id.def_id,
                     in_body: 0,
                     types_to_skip: std::iter::once(self_ty.hir_id).collect(),
                 }
@@ -143,7 +143,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf {
                 // trait, not in the impl of the trait.
                 let trait_method = cx
                     .tcx
-                    .associated_item(impl_item.def_id)
+                    .associated_item(impl_item.owner_id)
                     .trait_item_def_id
                     .expect("impl method matches a trait method");
                 let trait_method_sig = cx.tcx.fn_sig(trait_method);
diff --git a/clippy_lints/src/wildcard_imports.rs b/clippy_lints/src/wildcard_imports.rs
index 301eed9a1fb..be98344470b 100644
--- a/clippy_lints/src/wildcard_imports.rs
+++ b/clippy_lints/src/wildcard_imports.rs
@@ -120,14 +120,14 @@ impl LateLintPass<'_> for WildcardImports {
         if is_test_module_or_function(cx.tcx, item) {
             self.test_modules_deep = self.test_modules_deep.saturating_add(1);
         }
-        let module = cx.tcx.parent_module_from_def_id(item.def_id.def_id);
-        if cx.tcx.visibility(item.def_id.def_id) != ty::Visibility::Restricted(module.to_def_id()) {
+        let module = cx.tcx.parent_module_from_def_id(item.owner_id.def_id);
+        if cx.tcx.visibility(item.owner_id.def_id) != ty::Visibility::Restricted(module.to_def_id()) {
             return;
         }
         if_chain! {
             if let ItemKind::Use(use_path, UseKind::Glob) = &item.kind;
             if self.warn_on_all || !self.check_exceptions(item, use_path.segments);
-            let used_imports = cx.tcx.names_imported_by_glob_use(item.def_id.def_id);
+            let used_imports = cx.tcx.names_imported_by_glob_use(item.owner_id.def_id);
             if !used_imports.is_empty(); // Already handled by `unused_imports`
             then {
                 let mut applicability = Applicability::MachineApplicable;
diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs
index 052db3f3a03..3ebfc5e00e1 100644
--- a/clippy_utils/src/lib.rs
+++ b/clippy_utils/src/lib.rs
@@ -2281,7 +2281,7 @@ fn with_test_item_names(tcx: TyCtxt<'_>, module: LocalDefId, f: impl Fn(&[Symbol
         Entry::Vacant(entry) => {
             let mut names = Vec::new();
             for id in tcx.hir().module_items(module) {
-                if matches!(tcx.def_kind(id.def_id), DefKind::Const)
+                if matches!(tcx.def_kind(id.owner_id), DefKind::Const)
                     && let item = tcx.hir().item(id)
                     && let ItemKind::Const(ty, _body) = item.kind {
                     if let TyKind::Path(QPath::Resolved(_, path)) = ty.kind {