> GET /info/builder > accept-encoding: gzip > accept: */* > user-agent: bundler/2.1.0.pre.1 rubygems/3.1.0.pre1 ruby/2.6.4 (x86_64-pc-linux-gnu) command/install options/no_install,path,spec_run dfb132171b5b46f2 > connection: keep-alive > keep-alive: 30 > host: index.rubygems.org