Art

I thought I was in the "spinning-square" section - that's what I'm trying to run. Thanks for the backtrace hint - I'll try it. I saw the comment about the...

Ahh ... **"top-level"** [HelloWorld](https://github.com/PistonDevelopers/piston-examples/blob/master/src/hello_world.rs) ... I found it but it was of ZERO help. The similar note in the spinning-box demo is 'almost' clear, but making the change did NOT...

I've read more about Mesa and OpenGL ... here is more information about my system: ``` glxinfo name of display: :0 display: :0 screen: 0 direct rendering: Yes server glx...