After the third try everything went fine for me, too. I had a very unstable wifi connection this day, maybe a bug in the Net library.ushi (ushi kalcher)
I got a segfault trying to install the prawn gem via rubygems on a archlinux box. Please tell me how i can help. % sudo ruby -v /usr/bin/gem install prawn ruby 1.9.3p286 (2012-10-12 revision 37165) [x86_64-linux] /usr/lib/ruby/1.9.1...ushi (ushi kalcher)
ushi (ushi kalcher)01:08 PM Ruby Bug #7167: Segmentation Fault