A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate
in the Unity community.
Unfortunately the "hack" is not working also (at least for me). I'm getting the error that written in the line 31 of the hack - file not found....
For me, the main issue is that the cloud build is also fails to build, and there's no workaround for this.
I'm also interested when we'll get support for 2018.3 cloud build? For now it's caped at 2018.2.7