OP should install Windows Server Nano or Core to run these or use a non-interactive user session to run builds, e.g.: by running a service with a service account instead of a login session with a user account.

The OP is making the equivalent complaint of running a full Ubuntu shell complete with the Ubuntu One store running in the background after starting up Gnome, and complaining that Canonical owes him CPU-time.

Well, yeah, you logged into a interactive user session in a desktop user-oriented operating system!

This is the case of the person who goes to a doctor and says, "It hurts when I do this". The answer: "Then don't do that!"