diff --git a/src/librustc_typeck/check/regionck.rs b/src/librustc_typeck/check/regionck.rs
index d01b79068aa..52501b08fd1 100644
--- a/src/librustc_typeck/check/regionck.rs
+++ b/src/librustc_typeck/check/regionck.rs
@@ -1052,11 +1052,11 @@ fn constrain_callee(rcx: &mut Rcx,
     }
 }
 
-fn constrain_call<'a, I: Iterator<&'a ast::Expr>>(rcx: &mut Rcx,
-                                                  call_expr: &ast::Expr,
-                                                  receiver: Option<&ast::Expr>,
-                                                  mut arg_exprs: I,
-                                                  implicitly_ref_args: bool) {
+fn constrain_call<'a, I: Iterator<Item=&'a ast::Expr>>(rcx: &mut Rcx,
+                                                       call_expr: &ast::Expr,
+                                                       receiver: Option<&ast::Expr>,
+                                                       mut arg_exprs: I,
+                                                       implicitly_ref_args: bool) {
     //! Invoked on every call site (i.e., normal calls, method calls,
     //! and overloaded operators). Constrains the regions which appear
     //! in the type of the function. Also constrains the regions that
diff --git a/src/librustc_typeck/collect.rs b/src/librustc_typeck/collect.rs
index fe61b3de2cf..8c2cb557c1c 100644
--- a/src/librustc_typeck/collect.rs
+++ b/src/librustc_typeck/collect.rs
@@ -428,7 +428,7 @@ fn convert_methods<'a,'tcx,'i,I>(ccx: &CrateCtxt<'a, 'tcx>,
                                  untransformed_rcvr_ty: Ty<'tcx>,
                                  rcvr_ty_generics: &ty::Generics<'tcx>,
                                  rcvr_visibility: ast::Visibility)
-                                 where I: Iterator<&'i ast::Method> {
+                                 where I: Iterator<Item=&'i ast::Method> {
     debug!("convert_methods(untransformed_rcvr_ty={}, rcvr_ty_generics={})",
            untransformed_rcvr_ty.repr(ccx.tcx),
            rcvr_ty_generics.repr(ccx.tcx));