--- cygwin-service-installation-helper.sh.orig	2015-10-28 20:23:49.000000000 +1100
+++ cygwin-service-installation-helper.sh	2017-01-18 14:04:40.856126700 +1100
@@ -384,7 +384,7 @@
       fi
     n=$(($n-1))
     done
-    echo -e "${_csih_STACKTRACE_STR} ${val} ${@}"
+    echo -e "${_csih_STACKTRACE_STR} ${val} ${@}" 1>&2
   fi
 } # === End of csih_stacktrace() === #
 readonly -f csih_stacktrace