}
srun(["srun", "--nodelist=" . $node[0]],
["/bin/sh", "-ec",
- "a=`$docker_bin run --rm --user=$try_user $docker_hash id --user` && " .
+ "a=`$docker_bin run --rm $try_user_arg $docker_hash id --user` && " .
" test \$a -ne 0"],
{fork => 1});
if ($? == 0) {