diff -r 02de1dbd4f6e -r 3239e2fdd2e2 mercurial/windows.py
--- a/mercurial/windows.py	Sat May 21 16:42:59 2016 +0900
+++ b/mercurial/windows.py	Sat May 21 16:52:04 2016 +0900
@@ -471,3 +471,6 @@
         chunks.append(s)
 
     return ''.join(chunks)
+
+def bindunixsocket(sock, path):
+    raise NotImplementedError('unsupported platform')