Possibly. I found this doing a quick search. I don't know how credible a source it is, but it sounds reasonable. (Better, more reliable sources would be interesting to see).
"Non-commercial use cannot be prevented, except if that use harms the distinctiveness of the trademark."[1]
There may well be an argument that the confusion about who's behind this and that it actually deals with the company holding the trademark, I would think GitHub has a case. I'm not sure it would be worth pursuing, unless not doing so threatens the enforce-ability of trademark.
"Non-commercial use cannot be prevented, except if that use harms the distinctiveness of the trademark."[1]
There may well be an argument that the confusion about who's behind this and that it actually deals with the company holding the trademark, I would think GitHub has a case. I'm not sure it would be worth pursuing, unless not doing so threatens the enforce-ability of trademark.
[1]http://www.iusmentis.com/trademarks/crashcourse/rights/