Improve error handling

1 job for master in 48 seconds (queued for 20 seconds)
Status Job ID Name Coverage
  Test
failed #3621
test
lint

00:00:48

 
Name Stage Failure
failed
lint Test
npm ERR! lbry-bot@0.1.0 lint: `eslint src --ext .js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the lbry-bot@0.1.0 lint 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/2019-11-27T10_55_27_119Z-debug.log
ERROR: Job failed: exit code 1