go run-style acceptance tests now requires build tags
diff --git a/acceptance/libargs.go b/acceptance/libargs.go
index 0c1d539..a9bb92f 100644
--- a/acceptance/libargs.go
+++ b/acceptance/libargs.go
@@ -1,3 +1,5 @@
+// +build acceptance,old
+
 package main
 
 import (