Error when running getrobotpwd

During installation of the plugin I get a warning about 2 vulnerability and then when I try and follow the steps on the Roomba I get the following error:

pi@raspberrypi:/usr/lib/node_modules/homebridge-roomba-stv $ sudo npm run getrobotpwd 192.16.xx.xx

> homebridge-roomba-stv@1.2.0 getrobotpwd /usr/lib/node_modules/homebridge-roomba-stv
> cd node_modules/dorita980 && npm install && node ./bin/getpassword.js "192.16.xx.xx"

added 300 packages from 646 contributors and audited 1264 packages in 25.861s
found 2 vulnerabilities (1 low, 1 critical)
  run `npm audit fix` to fix them, or `npm audit` for details
Make sure your robot is on the Home Base and powered on (green lights on). Then press and hold the HOME button on your robot until it plays a series of tones (about 2 seconds). Release the button and your robot will flash WIFI light.
Then press any key here...
events.js:183
      throw er; // Unhandled 'error' event
      ^

Error: getaddrinfo ENOTFOUND 192.16.xx.xx 192.16.xx.xx:8883
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:67:26)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! homebridge-roomba-stv@1.2.0 getrobotpwd: `cd node_modules/dorita980 && npm install && node ./bin/getpassword.js "192.16.xx.xx"`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the homebridge-roomba-stv@1.2.0 getrobotpwd script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-01-06T19_08_53_922Z-debug.log

Here's the error log file:

0 info it worked if it ends with ok
1 verbose cli [ '/usr/bin/node',
1 verbose cli   '/usr/bin/npm',
1 verbose cli   'run',
1 verbose cli   'getrobotpwd',
1 verbose cli   '192.16.xx.xx' ]
2 info using npm@6.4.1
3 info using node@v8.15.0
4 verbose run-script [ 'pregetrobotpwd', 'getrobotpwd', 'postgetrobotpwd' ]
5 info lifecycle homebridge-roomba-stv@1.2.0~pregetrobotpwd: homebridge-roomba-stv@1.2.0
6 info lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: homebridge-roomba-stv@1.2.0
7 verbose lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: unsafe-perm in lifecycle true
8 verbose lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: PATH: /usr/lib/node_modules/npm/node_modules/npm-lifecycle/node-gyp-bin:/usr/lib/node_modules/homebridge-roomba-stv/node_mod$
9 verbose lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: CWD: /usr/lib/node_modules/homebridge-roomba-stv
10 silly lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: Args: [ '-c',
10 silly lifecycle   'cd node_modules/dorita980 && npm install && node ./bin/getpassword.js "192.16.xx.xx"' ]
11 silly lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: Returned: code: 1  signal: null
12 info lifecycle homebridge-roomba-stv@1.2.0~getrobotpwd: Failed to exec getrobotpwd script
13 verbose stack Error: homebridge-roomba-stv@1.2.0 getrobotpwd: `cd node_modules/dorita980 && npm install && node ./bin/getpassword.js "192.16.xx.xx"`
13 verbose stack Exit status 1
13 verbose stack     at EventEmitter.<anonymous> (/usr/lib/node_modules/npm/node_modules/npm-lifecycle/index.js:301:16)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at EventEmitter.emit (events.js:214:7)
13 verbose stack     at ChildProcess.<anonymous> (/usr/lib/node_modules/npm/node_modules/npm-lifecycle/lib/spawn.js:55:14)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at ChildProcess.emit (events.js:214:7)
13 verbose stack     at maybeClose (internal/child_process.js:915:16)
13 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
14 verbose pkgid homebridge-roomba-stv@1.2.0
15 verbose cwd /usr/lib/node_modules/homebridge-roomba-stv
16 verbose Linux 4.14.79-v7+
17 verbose argv "/usr/bin/node" "/usr/bin/npm" "run" "getrobotpwd" "192.16.xx.xx"
18 verbose node v8.15.0
19 verbose npm  v6.4.1
20 error code ELIFECYCLE
21 error errno 1
22 error homebridge-roomba-stv@1.2.0 getrobotpwd: `cd node_modules/dorita980 && npm install && node ./bin/getpassword.js "192.16.xx.xx"`
22 error Exit status 1
23 error Failed at the homebridge-roomba-stv@1.2.0 getrobotpwd script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 1, true ]

Versions

Platform: Raspbian GNU/Linux 9.6
Homebridge: 0.4.32
Node: 8.15.0
NPM: 6.4.1
Plugin: 1.2.0

stvmallen / homebridge-roomba-stv

Error when running getrobotpwd #27

Versions