Prevent a server from outputting an end-of-run message about its

error-code that cannot be sent successfully.

cleanup.c

@@ -103,6 +103,11 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 	if (exit_code) /* Preserve first error code when recursing. */
 		code = exit_code;
 
+	/* If this is the exit at the end of the run, the server side
+	 * should not attempt to output a message (see log.c). */
+	if (am_server && code == 0)
+		am_server = 2;
+
 	/* Some of our actions might cause a recursive call back here, so we
 	 * keep track of where we are in the cleanup and never repeat a step. */
 	switch (cleanup_step) {

log.c

@@ -792,7 +792,7 @@ void log_exit(int code, const char *file, int line)
 			(double)stats.total_written,
 			(double)stats.total_read,
 			(double)stats.total_size);
-	} else {
+	} else if (am_server != 2) {
 		const char *name;
 
 		name = rerr_name(code);