Do not use --quiet options since it always return EXIT_SUCCESS

master/contrib/init-scripts/buildmaster.init.sh

@@ -117,7 +117,7 @@ function master_op () {
 
     ${MASTER_PREFIXCMD[$mi]} \
     su -s /bin/sh \
-    -c "$MASTER_RUNNER $op --quiet ${MASTER_OPTIONS[$mi]} ${MASTER_BASEDIR[$mi]}" \
+    -c "$MASTER_RUNNER $op ${MASTER_OPTIONS[$mi]} ${MASTER_BASEDIR[$mi]} > /dev/null" \
     - ${MASTER_USER[$mi]}
     return $?
 }

slave/contrib/init-scripts/buildslave.init.sh

@@ -150,7 +150,7 @@ function slave_op () {
     fi
     ${SLAVE_PREFIXCMD[$mi]} \
     su $suopt - ${SLAVE_USER[$mi]} \
-    -c "$SLAVE_RUNNER $op --quiet ${SLAVE_OPTIONS[$mi]} ${SLAVE_BASEDIR[$mi]}"
+    -c "$SLAVE_RUNNER $op ${SLAVE_OPTIONS[$mi]} ${SLAVE_BASEDIR[$mi]} > /dev/null"
     return $?
 }