Workbench 6.3 fails to populate password

[ErroneousBosch]

• Ubuntu 18.04
• Terminus 2.0.1
• Pancakes up-to-date
• PHP 7.2.19

command: terminus pc <site>.<env> --app=workbench

expected behavior: should open and connect to the DB of the site.env in question

Actual behavior: the command opens workbench, who lists an ssh@apserver.<env>.<machine-id>.drush.in:2222 service, a User of <env>.<machine-id> (both machine-ids are correct), and asks for a password. The password for DB connection from the dashboard connection information does not work, neither does the dashboard password. Both return:

Your connection attempt failed for user 'pantheon' from your host to server at dbserver.dev.<machine-id>:
  Lost connection to MySQL server at 'reading initial communication packet', system error: 0

[philoSurfer]

This might be outdated here, can you replicate the issue with Terminus 3 @ErroneousBosch ?