@@ -58,8 +58,8 @@ def _dump_cmd(cmd):

     try:

         subprocess.check_call(cmd, shell=True)

         print

-    except subprocess.CalledProcessError:

-        print "*** Failed to run: %s" % cmd

+    except subprocess.CalledProcessError as e:

+        print "*** Failed to run '%(cmd)s': %(err)s" % {'cmd': cmd, 'err': e}

 def _find_cmd(cmd):