don't redundantly repeat field names

compiler/rustc_data_structures/src/graph/scc/mod.rs

@@ -523,7 +523,7 @@ where
                             successors_len: 0,
                             min_depth: depth,
                             min_cycle_root: successor_node,
-                            successor_node: successor_node,
+                            successor_node,
                         });
                         continue 'recurse;
                     }

compiler/rustc_middle/src/hir/place.rs

@@ -110,10 +110,7 @@ impl<'tcx> PlaceWithHirId<'tcx> {
         base: PlaceBase,
         projections: Vec<Projection<'tcx>>,
     ) -> PlaceWithHirId<'tcx> {
-        PlaceWithHirId {
-            hir_id: hir_id,
-            place: Place { base_ty: base_ty, base: base, projections: projections },
-        }
+        PlaceWithHirId { hir_id, place: Place { base_ty, base, projections } }
     }
 }
 

compiler/rustc_middle/src/mir/visit.rs

@@ -306,13 +306,13 @@ macro_rules! make_mir_visitor {
 
                 let mut index = 0;
                 for statement in statements {
-                    let location = Location { block: block, statement_index: index };
+                    let location = Location { block, statement_index: index };
                     self.visit_statement(statement, location);
                     index += 1;
                 }
 
                 if let Some(terminator) = terminator {
-                    let location = Location { block: block, statement_index: index };
+                    let location = Location { block, statement_index: index };
                     self.visit_terminator(terminator, location);
                 }
             }

compiler/rustc_middle/src/ty/layout.rs

@@ -1634,7 +1634,7 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> {
 
         let layout = tcx.intern_layout(Layout {
             variants: Variants::Multiple {
-                tag: tag,
+                tag,
                 tag_encoding: TagEncoding::Direct,
                 tag_field: tag_index,
                 variants,

compiler/rustc_typeck/src/check/upvar.rs

@@ -390,7 +390,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 
             let min_cap_list = match root_var_min_capture_list.get_mut(&var_hir_id) {
                 None => {
-                    let min_cap_list = vec![ty::CapturedPlace { place: place, info: capture_info }];
+                    let min_cap_list = vec![ty::CapturedPlace { place, info: capture_info }];
                     root_var_min_capture_list.insert(var_hir_id, min_cap_list);
                     continue;
                 }

compiler/rustc_typeck/src/mem_categorization.rs

@@ -459,7 +459,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> {
         kind: ProjectionKind,
     ) -> PlaceWithHirId<'tcx> {
         let mut projections = base_place.place.projections;
-        projections.push(Projection { kind: kind, ty: ty });
+        projections.push(Projection { kind, ty });
         let ret = PlaceWithHirId::new(
             node.hir_id(),
             base_place.place.base_ty,