sandstorm localdev setup ERROR

gistfile1.txt

root@localhost:/vagrant/shell# ./run-dev.sh 
make: Nothing to be done for `shell-env'.
Please change your Sandstorm installation to be owned by your own user
account. E.g. run as root:
  /opt/sandstorm/sandstorm stop
  find /opt/sandstorm/var -user sandstorm -exec chown -h root {} +
  find /opt/sandstorm/var -group sandstorm -exec chgrp -h root {} +
  sed -i -e 's/^SERVER_USER=.*$/SERVER_USER=root/g' \
      /opt/sandstorm/sandstorm.conf
  /opt/sandstorm/sandstorm start
root@localhost:/vagrant/shell# /opt/sandstorm/sandstorm stop
Waiting for PID 2025 to terminate...
Sandstorm server stopped.
root@localhost:/vagrant/shell# find /opt/sandstorm/var -user sandstorm -exec chown -h root {} +
root@localhost:/vagrant/shell# find /opt/sandstorm/var -group sandstorm -exec chgrp -h root {} +
root@localhost:/vagrant/shell# sed -i -e 's/^SERVER_USER=.*$/SERVER_USER=root/g' \
>       /opt/sandstorm/sandstorm.conf
root@localhost:/vagrant/shell# /opt/sandstorm/sandstorm start
*** Uncaught exception ***
sandstorm/run-bundle.c++:1378: failed: expected config.uids.uid != 0; Sandstorm cannot run as root.
stack: 0x53663c 0x536609 0x5365fa 0x4d6141 0x4d6dc5
root@localhost:/vagrant/shell#