Text randomly appears on CliClient when running from source

This text appears whenever I open the terminal client, by running npm start in the CliClient subdirectory.:
11:18:33 DecryptionWorker: cannot start because no master key is currently loaded. 11:18:36 RevisionService::maintenance: Starting... || 11:18:36 RevisionService::maintenance: Service is enabled|| 11:18:37 RevisionService::collectRevisions: Created revisions for 0 notes 11:18:37 RevisionService::maintenance: Done in 107ms

Is this a problem with my system (I am running Ubuntu 19.10) or is this a development feature?

What if you comment out line 630 of lib/BaseApplication.js? That was recently changed to add console logging to the desktop app, but I guess it should be disabled when running the CLI app.

The problem gets fixed. Should I make a PR for this?