Auto merge of #7783 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

Finally an easy, conflict free rustup again 🎉

changelog: none

Author: bors

clippy_lints/src/booleans.rs

@@ -260,8 +260,8 @@ fn simplify_not(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<String> {
         },
         ExprKind::MethodCall(path, _, args, _) if args.len() == 1 => {
             let type_of_receiver = cx.typeck_results().expr_ty(&args[0]);
-            if !is_type_diagnostic_item(cx, type_of_receiver, sym::option_type)
-                && !is_type_diagnostic_item(cx, type_of_receiver, sym::result_type)
+            if !is_type_diagnostic_item(cx, type_of_receiver, sym::Option)
+                && !is_type_diagnostic_item(cx, type_of_receiver, sym::Result)
             {
                 return None;
             }

clippy_lints/src/cargo_common_metadata.rs

@@ -1,7 +1,7 @@
 //! lint on missing cargo common metadata
 
 use clippy_utils::{diagnostics::span_lint, is_lint_allowed};
-use rustc_hir::{hir_id::CRATE_HIR_ID, Crate};
+use rustc_hir::hir_id::CRATE_HIR_ID;
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_tool_lint, impl_lint_pass};
 use rustc_span::source_map::DUMMY_SP;
@@ -77,7 +77,7 @@ fn is_empty_vec(value: &[String]) -> bool {
 }
 
 impl LateLintPass<'_> for CargoCommonMetadata {
-    fn check_crate(&mut self, cx: &LateContext<'_>, _: &Crate<'_>) {
+    fn check_crate(&mut self, cx: &LateContext<'_>) {
         if is_lint_allowed(cx, CARGO_COMMON_METADATA, CRATE_HIR_ID) {
             return;
         }

clippy_lints/src/case_sensitive_file_extension_comparisons.rs

@@ -55,7 +55,7 @@ fn check_case_sensitive_file_extension_comparison(ctx: &LateContext<'_>, expr: &
                     return Some(span);
                 },
                 ty::Adt(&ty::AdtDef { did, .. }, _) => {
-                    if ctx.tcx.is_diagnostic_item(sym::string_type, did) {
+                    if ctx.tcx.is_diagnostic_item(sym::String, did) {
                         return Some(span);
                     }
                 },

clippy_lints/src/cognitive_complexity.rs

@@ -67,7 +67,7 @@ impl CognitiveComplexity {
         helper.visit_expr(expr);
         let CcHelper { cc, returns } = helper;
         let ret_ty = cx.typeck_results().node_type(expr.hir_id);
-        let ret_adjust = if is_type_diagnostic_item(cx, ret_ty, sym::result_type) {
+        let ret_adjust = if is_type_diagnostic_item(cx, ret_ty, sym::Result) {
             returns
         } else {
             #[allow(clippy::integer_division)]

clippy_lints/src/disallowed_method.rs

@@ -1,7 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::fn_def_id;
 
-use rustc_hir::{def::Res, def_id::DefIdMap, Crate, Expr};
+use rustc_hir::{def::Res, def_id::DefIdMap, Expr};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_tool_lint, impl_lint_pass};
 
@@ -70,7 +70,7 @@ impl DisallowedMethod {
 impl_lint_pass!(DisallowedMethod => [DISALLOWED_METHOD]);
 
 impl<'tcx> LateLintPass<'tcx> for DisallowedMethod {
-    fn check_crate(&mut self, cx: &LateContext<'_>, _: &Crate<'_>) {
+    fn check_crate(&mut self, cx: &LateContext<'_>) {
         for conf in &self.conf_disallowed {
             let (path, reason) = match conf {
                 conf::DisallowedMethod::Simple(path) => (path, None),

clippy_lints/src/disallowed_type.rs

@@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint;
 
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir::{
-    def::Res, def_id::DefId, Crate, Item, ItemKind, PolyTraitRef, PrimTy, TraitBoundModifier, Ty, TyKind, UseKind,
+    def::Res, def_id::DefId, Item, ItemKind, PolyTraitRef, PrimTy, TraitBoundModifier, Ty, TyKind, UseKind,
 };
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_tool_lint, impl_lint_pass};
@@ -75,7 +75,7 @@ impl DisallowedType {
 impl_lint_pass!(DisallowedType => [DISALLOWED_TYPE]);
 
 impl<'tcx> LateLintPass<'tcx> for DisallowedType {
-    fn check_crate(&mut self, cx: &LateContext<'_>, _: &Crate<'_>) {
+    fn check_crate(&mut self, cx: &LateContext<'_>) {
         for path in &self.disallowed {
             let segs = path.iter().map(ToString::to_string).collect::<Vec<_>>();
             match clippy_utils::path_to_res(cx, &segs.iter().map(String::as_str).collect::<Vec<_>>()) {

clippy_lints/src/doc.rs

@@ -212,7 +212,7 @@ impl_lint_pass!(DocMarkdown =>
 );
 
 impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
-    fn check_crate(&mut self, cx: &LateContext<'tcx>, _: &'tcx hir::Crate<'_>) {
+    fn check_crate(&mut self, cx: &LateContext<'tcx>) {
         let attrs = cx.tcx.hir().attrs(hir::CRATE_HIR_ID);
         check_attrs(cx, &self.valid_idents, attrs);
     }
@@ -317,7 +317,7 @@ fn lint_for_missing_headers<'tcx>(
     }
     if !headers.errors {
         let hir_id = cx.tcx.hir().local_def_id_to_hir_id(def_id);
-        if is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::result_type) {
+        if is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::Result) {
             span_lint(
                 cx,
                 MISSING_ERRORS_DOC,
@@ -335,7 +335,7 @@ fn lint_for_missing_headers<'tcx>(
                 if let ty::Opaque(_, subs) = ret_ty.kind();
                 if let Some(gen) = subs.types().next();
                 if let ty::Generator(_, subs, _) = gen.kind();
-                if is_type_diagnostic_item(cx, subs.as_generator().return_ty(), sym::result_type);
+                if is_type_diagnostic_item(cx, subs.as_generator().return_ty(), sym::Result);
                 then {
                     span_lint(
                         cx,
@@ -782,8 +782,8 @@ impl<'a, 'tcx> Visitor<'tcx> for FindPanicUnwrap<'a, 'tcx> {
         // check for `unwrap`
         if let Some(arglists) = method_chain_args(expr, &["unwrap"]) {
             let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs();
-            if is_type_diagnostic_item(self.cx, reciever_ty, sym::option_type)
-                || is_type_diagnostic_item(self.cx, reciever_ty, sym::result_type)
+            if is_type_diagnostic_item(self.cx, reciever_ty, sym::Option)
+                || is_type_diagnostic_item(self.cx, reciever_ty, sym::Result)
             {
                 self.panic_span = Some(expr.span);
             }

clippy_lints/src/fallible_impl_from.rs

@@ -57,7 +57,7 @@ impl<'tcx> LateLintPass<'tcx> for FallibleImplFrom {
         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 cx.tcx.is_diagnostic_item(sym::from_trait, impl_trait_ref.def_id);
+            if cx.tcx.is_diagnostic_item(sym::From, impl_trait_ref.def_id);
             then {
                 lint_impl_body(cx, item.span, impl_.items);
             }
@@ -94,8 +94,8 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_items: &[h
             // check for `unwrap`
             if let Some(arglists) = method_chain_args(expr, &["unwrap"]) {
                 let reciever_ty = self.typeck_results.expr_ty(&arglists[0][0]).peel_refs();
-                if is_type_diagnostic_item(self.lcx, reciever_ty, sym::option_type)
-                    || is_type_diagnostic_item(self.lcx, reciever_ty, sym::result_type)
+                if is_type_diagnostic_item(self.lcx, reciever_ty, sym::Option)
+                    || is_type_diagnostic_item(self.lcx, reciever_ty, sym::Result)
                 {
                     self.result.push(expr.span);
                 }

clippy_lints/src/feature_name.rs

@@ -1,6 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::{diagnostics::span_lint, is_lint_allowed};
-use rustc_hir::{Crate, CRATE_HIR_ID};
+use rustc_hir::CRATE_HIR_ID;
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
 use rustc_span::source_map::DUMMY_SP;
@@ -110,7 +110,7 @@ fn lint(cx: &LateContext<'_>, feature: &str, substring: &str, is_prefix: bool) {
 }
 
 impl LateLintPass<'_> for FeatureName {
-    fn check_crate(&mut self, cx: &LateContext<'_>, _: &Crate<'_>) {
+    fn check_crate(&mut self, cx: &LateContext<'_>) {
         if is_lint_allowed(cx, REDUNDANT_FEATURE_NAMES, CRATE_HIR_ID)
             && is_lint_allowed(cx, NEGATIVE_FEATURE_NAMES, CRATE_HIR_ID)
         {

clippy_lints/src/format.rs

@@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessFormat {
             if_chain! {
                 if format_args.format_string_symbols == [kw::Empty];
                 if match cx.typeck_results().expr_ty(value).peel_refs().kind() {
-                    ty::Adt(adt, _) => cx.tcx.is_diagnostic_item(sym::string_type, adt.did),
+                    ty::Adt(adt, _) => cx.tcx.is_diagnostic_item(sym::String, adt.did),
                     ty::Str => true,
                     _ => false,
                 };
@@ -112,7 +112,7 @@ fn is_display_arg(expr: &Expr<'_>) -> bool {
         if let ExprKind::Call(_, [_, fmt]) = expr.kind;
         if let ExprKind::Path(QPath::Resolved(_, path)) = fmt.kind;
         if let [.., t, _] = path.segments;
-        if t.ident.name.as_str() == "Display";
+        if t.ident.name == sym::Display;
         then { true } else { false }
     }
 }