Update syntex to 0.37

serde_codegen/src/bound.rs

@@ -96,8 +96,8 @@ fn contains_recursion(ty: &ast::Ty, ident: ast::Ident) -> bool {
         ident: ast::Ident,
         found_recursion: bool,
     }
-    impl<'v> visit::Visitor<'v> for FindRecursion {
-        fn visit_path(&mut self, path: &'v ast::Path, _id: ast::NodeId) {
+    impl visit::Visitor for FindRecursion {
+        fn visit_path(&mut self, path: &ast::Path, _id: ast::NodeId) {
             if !path.global
                     && path.segments.len() == 1
                     && path.segments[0].identifier == self.ident {

serde_codegen/src/de.rs

@@ -5,6 +5,7 @@ use syntax::codemap::Span;
 use syntax::ext::base::{Annotatable, ExtCtxt};
 use syntax::parse::token::InternedString;
 use syntax::ptr::P;
+use syntax::tokenstream::TokenTree;
 
 use bound;
 use internals::ast::{Body, Field, Item, Style, Variant};
@@ -471,7 +472,7 @@ fn deserialize_newtype_struct(
     type_path: &ast::Path,
     impl_generics: &ast::Generics,
     field: &Field,
-) -> Vec<ast::TokenTree> {
+) -> Vec<TokenTree> {
     let value = match field.attrs.deserialize_with() {
         None => {
             let field_ty = &field.ty;