Fix clippy::redundant_field_names

Author: Kinrany

chalk-engine/src/logic.rs

@@ -1483,7 +1483,7 @@ impl<'forest, I: Interner> SolveState<'forest, I> {
             .collect();
 
         let subst = Canonical {
-            binders: binders,
+            binders,
             value: AnswerSubst {
                 subst,
                 constraints: Constraints::from_iter(self.context.program().interner(), constraints),

chalk-solve/src/clauses/builtin_traits.rs

@@ -105,7 +105,7 @@ pub fn needs_impl_for_tys<I: Interner>(
     builder.push_clause(
         trait_ref,
         tys.map(|ty| TraitRef {
-            trait_id: trait_id,
+            trait_id,
             substitution: Substitution::from1(db.interner(), ty),
         }),
     );

chalk-solve/src/infer/unify.rs

@@ -677,10 +677,7 @@ impl<'t, I: Interner> Unifier<'t, I> {
                                     let lifetime = lifetime_var.to_lifetime(interner);
                                     let ty_var = self.table.new_variable(universe_index);
                                     let ty = ty_var.to_ty(interner);
-                                    WhereClause::TypeOutlives(TypeOutlives {
-                                        ty: ty,
-                                        lifetime: lifetime,
-                                    })
+                                    WhereClause::TypeOutlives(TypeOutlives { ty, lifetime })
                                 }
                                 WhereClause::LifetimeOutlives(_) => {
                                     unreachable!("dyn Trait never contains LifetimeOutlive bounds")