Extend timeout for cargo fetching git repos (#4971)
Extend timeout for cargo fetching git repos (#4971)

Hopefully this won't be necessary when we have no longer forked grpc because we should hit Travis caches more often.
pantsbuild/pants,UnrememberMe/pants,twitter/pants,tdyas/pants,UnrememberMe/pants,foursquare/pants,baroquebobcat/pants,wisechengyi/pants,tdyas/pants,foursquare/pants,wisechengyi/pants,twitter/pants,benjyw/pants,baroquebobcat/pants,pantsbuild/pants,foursquare/pants,benjyw/pants,wisechengyi/pants,baroquebobcat/pants,pantsbuild/pants,wisechengyi/pants,tdyas/pants,baroquebobcat/pants,15Dkatz/pants,15Dkatz/pants,foursquare/pants,tdyas/pants,jsirois/pants,tdyas/pants,benjyw/pants,wisechengyi/pants,foursquare/pants,twitter/pants,pantsbuild/pants,twitter/pants,wisechengyi/pants,fkorotkov/pants,twitter/pants,UnrememberMe/pants,fkorotkov/pants,15Dkatz/pants,baroquebobcat/pants,jsirois/pants,tdyas/pants,fkorotkov/pants,benjyw/pants,15Dkatz/pants,fkorotkov/pants,baroquebobcat/pants,UnrememberMe/pants,wisechengyi/pants,foursquare/pants,baroquebobcat/pants,tdyas/pants,pantsbuild/pants,foursquare/pants,UnrememberMe/pants,tdyas/pants,tdyas/pants,benjyw/pants,twitter/pants,15Dkatz/pants,benjyw/pants,UnrememberMe/pants,foursquare/pants,jsirois/pants,fkorotkov/pants,pantsbuild/pants,benjyw/pants,15Dkatz/pants,wisechengyi/pants,fkorotkov/pants,15Dkatz/pants,wisechengyi/pants,pantsbuild/pants,twitter/pants,foursquare/pants,UnrememberMe/pants,fkorotkov/pants,fkorotkov/pants,baroquebobcat/pants,UnrememberMe/pants,twitter/pants,baroquebobcat/pants,15Dkatz/pants,twitter/pants,UnrememberMe/pants