diff -r 88ad04bcdc74 -r a9fb3d598ca2 mercurial/revset.py
--- a/mercurial/revset.py	Wed Oct 08 02:47:24 2014 -0700
+++ b/mercurial/revset.py	Wed Oct 08 02:47:46 2014 -0700
@@ -692,9 +692,9 @@
     is the same as passing all().
     """
     if x is not None:
-        args = getset(repo, spanset(repo), x).set()
+        args = getset(repo, spanset(repo), x)
     else:
-        args = getall(repo, spanset(repo), x).set()
+        args = getall(repo, spanset(repo), x)
 
     dests = set()