Bundler errors

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.
Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.provision "shell", privileged: false, inline: <<-SHELL
    sudo apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion pkg-config -y
    git clone https://github.com/postmodern/chruby
    git clone https://github.com/rbenv/ruby-build
    ruby-build/bin/ruby-build 1.9.3-p551 ~/.rubies/ruby-1.9.3
    . chruby/share/chruby/chruby.sh
    chruby ruby-1.9.3
    git clone https://github.com/bundler/bundler
    cd bundler
    git checkout seg-spec-improvements
    rake spec:travis:deps
    rake man:build
    rake spec:rubygems:clone_rubygems_master
    RGV=master rspec ./spec/install/allow_offline_install_spec.rb:18
  SHELL
end