diff -r c302218a2528 -r 1db5ae4b0dda mercurial/changegroup.py
--- a/mercurial/changegroup.py	Sun Feb 10 14:16:33 2019 -0800
+++ b/mercurial/changegroup.py	Sun Feb 10 14:16:37 2019 -0800
@@ -1313,9 +1313,9 @@
     assert version in supportedoutgoingversions(repo)
 
     if matcher is None:
-        matcher = matchmod.alwaysmatcher(repo.root, '')
+        matcher = matchmod.always(repo.root, '')
     if oldmatcher is None:
-        oldmatcher = matchmod.nevermatcher(repo.root, '')
+        oldmatcher = matchmod.never(repo.root, '')
 
     if version == '01' and not matcher.always():
         raise error.ProgrammingError('version 01 changegroups do not support '