Recompile with nilAsReceiver monkeypatch.

src/Web.js

@@ -7,7 +7,8 @@ define(["amber/boot"
 
 //>>excludeEnd("imports");
 ){"use strict";
-var $core=$boot.api,nil=$boot.nil,$recv=$boot.asReceiver,$globals=$boot.globals;
+if(!$boot.nilAsReceiver)$boot.nilAsReceiver=$boot.nil;
+var $core=$boot.api,nil=$boot.nilAsReceiver,$recv=$boot.asReceiver,$globals=$boot.globals;
 if(!$boot.nilAsClass)$boot.nilAsClass=$boot.dnu;
 $core.addPackage('Web');
 $core.packages["Web"].innerEval = function (expr) { return eval(expr); };