How to make cargo fetch private repos on Windows?

I’m using GitHub Desktop for Windows on Windows 8.1 and I have pageant running with my github key. I can clone my private repos in the shell manually without having to enter my password, but cargo can’t fetch them.
More details here:

It’s very frustrating that this isn’t working, especially because it used to work before…

Does anyone know how I can make it work with cargo again? :slight_smile: