Fix CI problems

Author: HKalbasi

compiler/rustc_mir/src/borrow_check/diagnostics/mutability_errors.rs

@@ -515,68 +515,64 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
 
         err.buffer(&mut self.errors_buffer);
     }
-    
+
     /// User cannot make signature of a trait mutable without changing the
     /// trait. So we find if this error belongs to a trait and if so we move
-    /// suggestion to the trait or disable it if it is out of scope of this crate                            
+    /// suggestion to the trait or disable it if it is out of scope of this crate
     fn is_error_in_trait(&self, local: Local) -> (bool, Option<Span>) {
         if self.body.local_kind(local) != LocalKind::Arg {
             return (false, None);
         }
         let hir_map = self.infcx.tcx.hir();
         let my_def = self.body.source.def_id();
         let my_hir = hir_map.local_def_id_to_hir_id(my_def.as_local().unwrap());
-        let td = if let Some(a) = self.infcx.tcx.impl_of_method(my_def).and_then(|x| {
-            self.infcx.tcx.trait_id_of_impl(x)
-        }) {
+        let td = if let Some(a) =
+            self.infcx.tcx.impl_of_method(my_def).and_then(|x| self.infcx.tcx.trait_id_of_impl(x))
+        {
             a
         } else {
             return (false, None);
         };
-        (true, td.as_local().and_then(|tld| {
-            let h = hir_map.local_def_id_to_hir_id(tld);
-            match hir_map.find(h) {
-                Some(Node::Item(hir::Item {
-                    kind: hir::ItemKind::Trait(
-                        _, _, _, _,
-                        items
-                    ),
-                    ..
-                })) => {
-                    let mut f_in_trait_opt = None;
-                    for hir::TraitItemRef { id: fi, kind: k, .. } in *items {
-                        let hi = fi.hir_id();
-                        if !matches!(k, hir::AssocItemKind::Fn { .. }) {
-                            continue;
-                        }
-                        if hir_map.name(hi) != hir_map.name(my_hir) {
-                            continue;
+        (
+            true,
+            td.as_local().and_then(|tld| {
+                let h = hir_map.local_def_id_to_hir_id(tld);
+                match hir_map.find(h) {
+                    Some(Node::Item(hir::Item {
+                        kind: hir::ItemKind::Trait(_, _, _, _, items),
+                        ..
+                    })) => {
+                        let mut f_in_trait_opt = None;
+                        for hir::TraitItemRef { id: fi, kind: k, .. } in *items {
+                            let hi = fi.hir_id();
+                            if !matches!(k, hir::AssocItemKind::Fn { .. }) {
+                                continue;
+                            }
+                            if hir_map.name(hi) != hir_map.name(my_hir) {
+                                continue;
+                            }
+                            f_in_trait_opt = Some(hi);
+                            break;
                         }
-                        f_in_trait_opt = Some(hi);
-                        break;
-                    }
-                    f_in_trait_opt.and_then(|f_in_trait| {
-                        match hir_map.find(f_in_trait) {
+                        f_in_trait_opt.and_then(|f_in_trait| match hir_map.find(f_in_trait) {
                             Some(Node::TraitItem(hir::TraitItem {
-                                kind: hir::TraitItemKind::Fn(hir::FnSig {
-                                    decl: hir::FnDecl {
-                                        inputs,
-                                        ..
-                                    },
-                                    ..
-                                }, _),
+                                kind:
+                                    hir::TraitItemKind::Fn(
+                                        hir::FnSig { decl: hir::FnDecl { inputs, .. }, .. },
+                                        _,
+                                    ),
                                 ..
                             })) => {
                                 let hir::Ty { span, .. } = inputs[local.index() - 1];
                                 Some(span)
-                            },
+                            }
                             _ => None,
-                        }
-                    })
+                        })
+                    }
+                    _ => None,
                 }
-                _ => None
-            }
-        }))
+            }),
+        )
     }
 
     // point to span of upvar making closure call require mutable borrow

src/test/ui/suggestions/issue-68049-1.rs

@@ -4,7 +4,7 @@ struct Test(u32);
 
 unsafe impl GlobalAlloc for Test {
     unsafe fn alloc(&self, _layout: Layout) -> *mut u8 {
-        self.0 += 1;
+        self.0 += 1; //~ ERROR cannot assign
         0 as *mut u8
     }
 

src/test/ui/suggestions/issue-68049-2.rs

@@ -6,15 +6,15 @@ struct Test1(i32);
 
 impl Hello for Test1 {
   fn example(&self, input: &i32) { // should not suggest here
-      *input = self.0;
+      *input = self.0; //~ ERROR cannot assign
   }
 }
 
 struct Test2(i32);
 
 impl Hello for Test2 {
   fn example(&self, input: &i32) { // should not suggest here
-    self.0 += *input;
+    self.0 += *input; //~ ERROR cannot assign
   }
 }