--- a/tests/test-shelve.t	Sun Oct 18 09:05:04 2015 +0900
+++ b/tests/test-shelve.t	Thu Oct 15 20:32:01 2015 -0400
@@ -1170,7 +1170,7 @@
   [1]
   $ sed 's/ae8c668541e8/123456789012/' .hg/shelvedstate > ../corrupt-shelvedstate
   $ mv ../corrupt-shelvedstate .hg/histedit-state
-  $ hg unshelve --abort |& grep 'rebase aborted'
+  $ hg unshelve --abort 2>&1 | grep 'rebase aborted'
   rebase aborted
   $ hg up -C .
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved