Nezumi incompatible with gem: fancy_irb v0.7.3

Running console attached to Nezumi... up, run.2465
syck has been removed, psych is used instead
WARNING: Nokogiri was built against LibXML version 2.8.0, but has dynamically loaded 2.7.6
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
Neoid Connected to Neo4j at: http://apextwin:HfEzMxc7nnjOkBRlPOCxqHfXJxDVHIqkp5DPvuky@domU-12-31-39-0F-D1-01.compute-1.internal:7474:       0.000000   0.000000   0.000000 (  0.000422)

tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
/app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb.rb:112:in `/': divided by 0 (ZeroDivisionError)
    from /app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb.rb:112:in `block in track_height'
    from /app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb.rb:111:in `each'
    from /app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb.rb:111:in `inject'
    from /app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb.rb:111:in `track_height'
    from /app/vendor/bundle/ruby/2.0.0/gems/fancy_irb-0.7.3/lib/fancy_irb/irb_ext.rb:143:in `write'
    from /app/vendor/bundle/ruby/2.0.0/gems/irbtools-1.5.0/lib/irbtools.rb:114:in `puts'
    from /app/vendor/bundle/ruby/2.0.0/gems/irbtools-1.5.0/lib/irbtools.rb:114:in `puts'
    from /app/vendor/bundle/ruby/2.0.0/gems/irbtools-1.5.0/lib/irbtools.rb:114:in `<top (required)>'
    from /app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
    from /app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
    from /app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
    from /app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
    from /app/vendor/bundle/ruby/2.0.0/gems/irbtools-1.5.0/lib/irbtools/configure.rb:126:in `init'
    from /app/config/application.bundler.rb:11:in `block (2 levels) in <top (required)>'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/railtie.rb:179:in `call'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/railtie.rb:179:in `block in load_console'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/railtie.rb:179:in `each'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/railtie.rb:179:in `load_console'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/engine.rb:429:in `block in load_console'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application/railties.rb:8:in `each'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application/railties.rb:8:in `all'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/engine.rb:429:in `load_console'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application.rb:153:in `load_console'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/commands/console.rb:27:in `start'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/commands/console.rb:8:in `start'
    from /app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/commands.rb:41:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'


 *** CONNECTION CLOSED ***