Fix linter issue

Author: GuillaumeGomez

src/librustc_typeck/check/demand.rs

@@ -115,7 +115,7 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
             Def::Method(def_id) => {
                 match self.tcx.item_type(def_id).sty {
                     ty::TypeVariants::TyFnDef(_, _, fty) => {
-                        fty.sig.skip_binder().inputs.len() == 1
+                        fty.sig.skip_binder().inputs().len() == 1
                     }
                     _ => false,
                 }

src/librustc_typeck/check/method/probe.rs

@@ -20,8 +20,8 @@ use rustc::ty::subst::{Subst, Substs};
 use rustc::traits::{self, ObligationCause};
 use rustc::ty::{self, Ty, ToPolyTraitRef, TraitRef, TypeFoldable};
 use rustc::infer::type_variable::TypeVariableOrigin;
-use rustc::util::nodemap::{FnvHashSet, FxHashSet};
-use rustc::infer::{self, InferOk, TypeOrigin};
+use rustc::util::nodemap::FxHashSet;
+use rustc::infer::{self, InferOk};
 use syntax::ast;
 use syntax_pos::Span;
 use rustc::hir;
@@ -182,7 +182,8 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
         method_names
             .iter()
             .flat_map(|&method_name| {
-                match self.probe_for_name(span, mode, method_name, IsSuggestion(true), self_ty, scope_expr_id) {
+                match self.probe_for_name(span, mode, method_name, IsSuggestion(true), self_ty,
+                                          scope_expr_id) {
                     Ok(pick) => Some(pick.item),
                     Err(_) => None,
                 }