diff --git a/clippy_lints/src/assign_ops.rs b/clippy_lints/src/assign_ops.rs
index bc4e47340c69b..b6fb6fdd2cc04 100644
--- a/clippy_lints/src/assign_ops.rs
+++ b/clippy_lints/src/assign_ops.rs
@@ -256,7 +256,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ExprVisitor<'a, 'tcx> {
 
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/block_in_if_condition.rs b/clippy_lints/src/block_in_if_condition.rs
index d004dcddfea01..56b4e5522f4e0 100644
--- a/clippy_lints/src/block_in_if_condition.rs
+++ b/clippy_lints/src/block_in_if_condition.rs
@@ -66,7 +66,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
         }
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs
index ccaa277efbdaa..b580240be1757 100644
--- a/clippy_lints/src/booleans.rs
+++ b/clippy_lints/src/booleans.rs
@@ -457,7 +457,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NonminimalBoolVisitor<'a, 'tcx> {
             _ => walk_expr(self, e),
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -491,7 +491,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NotSimplificationVisitor<'a, 'tcx> {
 
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/cognitive_complexity.rs b/clippy_lints/src/cognitive_complexity.rs
index d0f15d2373a7a..fcab459018848 100644
--- a/clippy_lints/src/cognitive_complexity.rs
+++ b/clippy_lints/src/cognitive_complexity.rs
@@ -156,7 +156,7 @@ impl<'tcx> Visitor<'tcx> for CCHelper {
             _ => {},
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/doc.rs b/clippy_lints/src/doc.rs
index 006d732703ec4..ed870850a8c4f 100644
--- a/clippy_lints/src/doc.rs
+++ b/clippy_lints/src/doc.rs
@@ -148,7 +148,7 @@ impl_lint_pass!(DocMarkdown => [DOC_MARKDOWN, MISSING_SAFETY_DOC, MISSING_ERRORS
 
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for DocMarkdown {
     fn check_crate(&mut self, cx: &LateContext<'a, 'tcx>, krate: &'tcx hir::Crate<'_>) {
-        check_attrs(cx, &self.valid_idents, &krate.attrs);
+        check_attrs(cx, &self.valid_idents, &krate.item.attrs);
     }
 
     fn check_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::Item<'_>) {
diff --git a/clippy_lints/src/entry.rs b/clippy_lints/src/entry.rs
index 19da4c4bc9a56..88647be02641a 100644
--- a/clippy_lints/src/entry.rs
+++ b/clippy_lints/src/entry.rs
@@ -181,7 +181,7 @@ impl<'a, 'tcx, 'b> Visitor<'tcx> for InsertVisitor<'a, 'tcx, 'b> {
             walk_expr(self, expr);
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs
index 850c7f728bd28..db55e5ed141ef 100644
--- a/clippy_lints/src/escape.rs
+++ b/clippy_lints/src/escape.rs
@@ -92,7 +92,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BoxedLocal {
 }
 
 // TODO: Replace with Map::is_argument(..) when it's fixed
-fn is_argument(map: &rustc::hir::map::Map<'_>, id: HirId) -> bool {
+fn is_argument(map: rustc::hir::map::Map<'_>, id: HirId) -> bool {
     match map.find(id) {
         Some(Node::Binding(_)) => (),
         _ => return false,
@@ -136,7 +136,7 @@ impl<'a, 'tcx> Delegate<'tcx> for EscapeDelegate<'a, 'tcx> {
     fn mutate(&mut self, cmt: &Place<'tcx>) {
         if cmt.projections.is_empty() {
             let map = &self.cx.tcx.hir();
-            if is_argument(map, cmt.hir_id) {
+            if is_argument(*map, cmt.hir_id) {
                 // Skip closure arguments
                 let parent_id = map.get_parent_node(cmt.hir_id);
                 if let Some(Node::Expr(..)) = map.find(map.get_parent_node(parent_id)) {
diff --git a/clippy_lints/src/eval_order_dependence.rs b/clippy_lints/src/eval_order_dependence.rs
index d6b847d1dbb10..9292dba3bd253 100644
--- a/clippy_lints/src/eval_order_dependence.rs
+++ b/clippy_lints/src/eval_order_dependence.rs
@@ -158,7 +158,7 @@ impl<'a, 'tcx> Visitor<'tcx> for DivergenceVisitor<'a, 'tcx> {
     fn visit_block(&mut self, _: &'tcx Block<'_>) {
         // don't continue over blocks, LateLintPass already does that
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -341,7 +341,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ReadVisitor<'a, 'tcx> {
 
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/fallible_impl_from.rs b/clippy_lints/src/fallible_impl_from.rs
index 19a122594cb7b..5ed7fd49f4721 100644
--- a/clippy_lints/src/fallible_impl_from.rs
+++ b/clippy_lints/src/fallible_impl_from.rs
@@ -85,7 +85,7 @@ fn lint_impl_body<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, impl_span: Span, impl_it
             intravisit::walk_expr(self, expr);
         }
 
-        fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+        fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
             NestedVisitorMap::None
         }
     }
diff --git a/clippy_lints/src/functions.rs b/clippy_lints/src/functions.rs
index c43b2075b6469..23e3371c5fb61 100644
--- a/clippy_lints/src/functions.rs
+++ b/clippy_lints/src/functions.rs
@@ -561,7 +561,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for DerefVisitor<'a, 'tcx> {
         intravisit::walk_expr(self, expr);
     }
 
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
         intravisit::NestedVisitorMap::None
     }
 }
@@ -624,7 +624,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for StaticMutVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
         intravisit::NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/let_if_seq.rs b/clippy_lints/src/let_if_seq.rs
index a4c5c003b7f84..d5343852208b8 100644
--- a/clippy_lints/src/let_if_seq.rs
+++ b/clippy_lints/src/let_if_seq.rs
@@ -158,7 +158,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for UsedVisitor<'a, 'tcx> {
         }
         intravisit::walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
         intravisit::NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs
index 3b687bd54a1cf..a9408e369b396 100644
--- a/clippy_lints/src/lifetimes.rs
+++ b/clippy_lints/src/lifetimes.rs
@@ -407,7 +407,7 @@ impl<'a, 'tcx> Visitor<'tcx> for RefVisitor<'a, 'tcx> {
         }
         walk_ty(self, ty);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -479,7 +479,7 @@ impl<'tcx> Visitor<'tcx> for LifetimeChecker {
             walk_generic_param(self, param)
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -522,7 +522,7 @@ impl<'tcx> Visitor<'tcx> for BodyLifetimeChecker {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/loops.rs b/clippy_lints/src/loops.rs
index 006281a1b5b59..bd71d68848d6e 100644
--- a/clippy_lints/src/loops.rs
+++ b/clippy_lints/src/loops.rs
@@ -1712,7 +1712,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LocalUsedVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -1885,7 +1885,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> {
         }
         self.prefer_mutable = old;
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -1942,7 +1942,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarUsedAfterLoopVisitor<'a, 'tcx> {
         }
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2084,7 +2084,7 @@ impl<'a, 'tcx> Visitor<'tcx> for IncrementVisitor<'a, 'tcx> {
         }
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2176,8 +2176,8 @@ impl<'a, 'tcx> Visitor<'tcx> for InitializeVisitor<'a, 'tcx> {
         walk_expr(self, expr);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::OnlyBodies(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
     }
 }
 
@@ -2312,7 +2312,7 @@ impl<'tcx> Visitor<'tcx> for LoopNestVisitor {
         walk_pat(self, pat)
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2398,7 +2398,7 @@ impl<'a, 'tcx> Visitor<'tcx> for HasBreakOrReturnVisitor {
         walk_expr(self, expr);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2449,7 +2449,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarCollectorVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs
index 19d9a31aaf41b..7109cd5cf914a 100644
--- a/clippy_lints/src/methods/mod.rs
+++ b/clippy_lints/src/methods/mod.rs
@@ -1545,7 +1545,7 @@ fn lint_or_fun_call<'a, 'tcx>(
             }
         }
 
-        fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+        fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
             intravisit::NestedVisitorMap::None
         }
     }
@@ -3453,7 +3453,7 @@ fn contains_return(expr: &hir::Expr<'_>) -> bool {
             }
         }
 
-        fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+        fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
             intravisit::NestedVisitorMap::None
         }
     }
diff --git a/clippy_lints/src/methods/option_map_unwrap_or.rs b/clippy_lints/src/methods/option_map_unwrap_or.rs
index 4df963a4f7960..c40ab7beba442 100644
--- a/clippy_lints/src/methods/option_map_unwrap_or.rs
+++ b/clippy_lints/src/methods/option_map_unwrap_or.rs
@@ -99,8 +99,8 @@ impl<'a, 'tcx> Visitor<'tcx> for UnwrapVisitor<'a, 'tcx> {
         walk_path(self, path);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::All(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::All(self.cx.tcx.hir())
     }
 }
 
@@ -121,8 +121,8 @@ impl<'a, 'tcx> Visitor<'tcx> for MapExprVisitor<'a, 'tcx> {
         walk_path(self, path);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::All(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::All(self.cx.tcx.hir())
     }
 }
 
diff --git a/clippy_lints/src/methods/unnecessary_filter_map.rs b/clippy_lints/src/methods/unnecessary_filter_map.rs
index fdfae8cd190cb..ee6c6ef12e569 100644
--- a/clippy_lints/src/methods/unnecessary_filter_map.rs
+++ b/clippy_lints/src/methods/unnecessary_filter_map.rs
@@ -136,7 +136,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ReturnVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs
index 57bec0a65b37e..88467f3057f52 100644
--- a/clippy_lints/src/missing_doc.rs
+++ b/clippy_lints/src/missing_doc.rs
@@ -125,7 +125,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MissingDoc {
     }
 
     fn check_crate(&mut self, cx: &LateContext<'a, 'tcx>, krate: &'tcx hir::Crate<'_>) {
-        self.check_missing_docs_attrs(cx, &krate.attrs, krate.span, "crate");
+        self.check_missing_docs_attrs(cx, &krate.item.attrs, krate.item.span, "crate");
     }
 
     fn check_item(&mut self, cx: &LateContext<'a, 'tcx>, it: &'tcx hir::Item<'_>) {
diff --git a/clippy_lints/src/mut_mut.rs b/clippy_lints/src/mut_mut.rs
index 9884845916603..70061f2aa83b3 100644
--- a/clippy_lints/src/mut_mut.rs
+++ b/clippy_lints/src/mut_mut.rs
@@ -108,7 +108,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for MutVisitor<'a, 'tcx> {
 
         intravisit::walk_ty(self, ty);
     }
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
         intravisit::NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/mutable_debug_assertion.rs b/clippy_lints/src/mutable_debug_assertion.rs
index f0c5c95b1d499..75225fa8c42b0 100644
--- a/clippy_lints/src/mutable_debug_assertion.rs
+++ b/clippy_lints/src/mutable_debug_assertion.rs
@@ -155,7 +155,7 @@ impl<'a, 'tcx> Visitor<'tcx> for MutArgVisitor<'a, 'tcx> {
         walk_expr(self, expr)
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::OnlyBodies(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
     }
 }
diff --git a/clippy_lints/src/slow_vector_initialization.rs b/clippy_lints/src/slow_vector_initialization.rs
index 8d8dbe0e4083d..61dc7d1c9c5ad 100644
--- a/clippy_lints/src/slow_vector_initialization.rs
+++ b/clippy_lints/src/slow_vector_initialization.rs
@@ -318,7 +318,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VectorInitializationVisitor<'a, 'tcx> {
         walk_expr(self, expr);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/suspicious_trait_impl.rs b/clippy_lints/src/suspicious_trait_impl.rs
index 40e1b4abc7966..e39a7b5e2ab60 100644
--- a/clippy_lints/src/suspicious_trait_impl.rs
+++ b/clippy_lints/src/suspicious_trait_impl.rs
@@ -197,7 +197,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BinaryExprVisitor {
 
         walk_expr(self, expr);
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/types.rs b/clippy_lints/src/types.rs
index fbd3f37c5643e..d44aa492508a1 100644
--- a/clippy_lints/src/types.rs
+++ b/clippy_lints/src/types.rs
@@ -1554,7 +1554,7 @@ impl<'tcx> Visitor<'tcx> for TypeComplexityVisitor {
         walk_ty(self, ty);
         self.nest -= sub_nest;
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2309,7 +2309,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ImplicitHasherTypeVisitor<'a, 'tcx> {
         walk_ty(self, t);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -2386,8 +2386,8 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 't
         walk_expr(self, e);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::OnlyBodies(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
     }
 }
 
diff --git a/clippy_lints/src/unused_self.rs b/clippy_lints/src/unused_self.rs
index 9f1a7aaf977cb..8579fd73fbb75 100644
--- a/clippy_lints/src/unused_self.rs
+++ b/clippy_lints/src/unused_self.rs
@@ -107,7 +107,7 @@ impl<'a, 'tcx> Visitor<'tcx> for UnusedSelfVisitor<'a, 'tcx> {
         walk_path(self, path);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::OnlyBodies(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
     }
 }
diff --git a/clippy_lints/src/unwrap.rs b/clippy_lints/src/unwrap.rs
index 79dd93e64ff8f..767b48d4a0963 100644
--- a/clippy_lints/src/unwrap.rs
+++ b/clippy_lints/src/unwrap.rs
@@ -185,8 +185,8 @@ impl<'a, 'tcx> Visitor<'tcx> for UnwrappableVariablesVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::OnlyBodies(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
     }
 }
 
diff --git a/clippy_lints/src/use_self.rs b/clippy_lints/src/use_self.rs
index 4170dcc7fadfc..e1316fa0a3db0 100644
--- a/clippy_lints/src/use_self.rs
+++ b/clippy_lints/src/use_self.rs
@@ -113,7 +113,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TraitImplTyVisitor<'a, 'tcx> {
         walk_ty(self, t)
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -275,7 +275,7 @@ impl<'a, 'tcx> Visitor<'tcx> for UseSelfVisitor<'a, 'tcx> {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::All(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::All(self.cx.tcx.hir())
     }
 }
diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs
index e2a19d633b3e3..e95c45852ac2f 100644
--- a/clippy_lints/src/utils/author.rs
+++ b/clippy_lints/src/utils/author.rs
@@ -689,7 +689,7 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/utils/internal_lints.rs b/clippy_lints/src/utils/internal_lints.rs
index c348f5794b9c4..7dbb0d5a9ab82 100644
--- a/clippy_lints/src/utils/internal_lints.rs
+++ b/clippy_lints/src/utils/internal_lints.rs
@@ -299,8 +299,8 @@ impl<'a, 'tcx> Visitor<'tcx> for LintCollector<'a, 'tcx> {
             self.output.insert(path.segments[0].ident.name);
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
-        NestedVisitorMap::All(&self.cx.tcx.hir())
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
+        NestedVisitorMap::All(self.cx.tcx.hir())
     }
 }
 
diff --git a/clippy_lints/src/utils/mod.rs b/clippy_lints/src/utils/mod.rs
index e32164c8bb10d..62c47f0afd1de 100644
--- a/clippy_lints/src/utils/mod.rs
+++ b/clippy_lints/src/utils/mod.rs
@@ -479,7 +479,7 @@ impl<'tcx> Visitor<'tcx> for ContainsName {
             self.result = true;
         }
     }
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
@@ -1355,7 +1355,7 @@ pub fn is_must_use_func_call(cx: &LateContext<'_, '_>, expr: &Expr<'_>) -> bool
 }
 
 pub fn is_no_std_crate(krate: &Crate<'_>) -> bool {
-    krate.attrs.iter().any(|attr| {
+    krate.item.attrs.iter().any(|attr| {
         if let ast::AttrKind::Normal(ref attr) = attr.kind {
             attr.path == symbol::sym::no_std
         } else {
diff --git a/clippy_lints/src/utils/ptr.rs b/clippy_lints/src/utils/ptr.rs
index 176edcf1652f2..238c2277a932b 100644
--- a/clippy_lints/src/utils/ptr.rs
+++ b/clippy_lints/src/utils/ptr.rs
@@ -78,7 +78,7 @@ impl<'a, 'tcx> Visitor<'tcx> for PtrCloneVisitor<'a, 'tcx> {
         walk_expr(self, expr);
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }
diff --git a/clippy_lints/src/utils/usage.rs b/clippy_lints/src/utils/usage.rs
index 5871cf45ef900..7cde18fdb3b49 100644
--- a/clippy_lints/src/utils/usage.rs
+++ b/clippy_lints/src/utils/usage.rs
@@ -93,7 +93,7 @@ impl<'tcx> Visitor<'tcx> for UsedVisitor {
         }
     }
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<'_, Self::Map> {
+    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
         NestedVisitorMap::None
     }
 }