Omnibus install error

gistfile1.txt

      [Software: version-manifest] I | Resolving manifest entry for version-manifest
    [NullFetcher: version-manifest] I | Fetching `version-manifest' (nothing to fetch)
/home/vagrant/.gem/ruby/2.1.5/gems/ruby-progressbar-1.7.5/lib/ruby-progressbar/progress.rb:58:in `progress=': You can't set the item's current value to be greater than
the total. (ProgressBar::InvalidProgressError)
        from /home/vagrant/.gem/ruby/2.1.5/gems/ruby-progressbar-1.7.5/lib/ruby-progressbar/base.rb:156:in `block in update_progress'
        from /home/vagrant/.gem/ruby/2.1.5/gems/ruby-progressbar-1.7.5/lib/ruby-progressbar/output.rb:38:in `with_refresh'
        from /home/vagrant/.gem/ruby/2.1.5/gems/ruby-progressbar-1.7.5/lib/ruby-progressbar/base.rb:155:in `update_progress'
        from /home/vagrant/.gem/ruby/2.1.5/gems/ruby-progressbar-1.7.5/lib/ruby-progressbar/base.rb:99:in `progress='
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/fetchers/net_fetcher.rb:173:in `block in download'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:331:in `call'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:331:in `block (3 levels) in open_http'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/protocol.rb:411:in `call_block'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/protocol.rb:402:in `<<'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/protocol.rb:102:in `read'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http/response.rb:284:in `block in read_body_0'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http/response.rb:250:in `inflater'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http/response.rb:274:in `read_body_0'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http/response.rb:201:in `read_body'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:328:in `block (2 levels) in open_http'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:1415:in `block (2 levels) in transport_request'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http/response.rb:162:in `reading_body'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:1414:in `block in transport_request'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:1405:in `catch'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:1405:in `transport_request'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:1378:in `request'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:319:in `block in open_http'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/net/http.rb:853:in `start'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:313:in `open_http'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:724:in `buffer_open'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:210:in `block in open_loop'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:208:in `catch'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:208:in `open_loop'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:149:in `open_uri'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/core_extensions/open_uri.rb:51:in `open_uri'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:704:in `open'
        from /opt/rubies/ruby-2.1.5/lib/ruby/2.1.0/open-uri.rb:34:in `open'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/fetchers/net_fetcher.rb:175:in `download'
              from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:64:in `call'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:64:in `block (4 levels) in initialize'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:62:in `loop'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:62:in `block (3 levels) in initialize'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:61:in `catch'
        from /home/vagrant/.gem/ruby/2.1.5/bundler/gems/omnibus-9d387525a335/lib/omnibus/thread_pool.rb:61:in `block (2 levels) in initialize'