F  U  #Qi1A! Z EZ ;/home/vagrant/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/yaml.rbEZ 
EZ psychEZ EZ rescue in
EZ :EZ CIt seems your ruby installation is missing psych (for YAML output).EZ JTo eliminate this warning, please install libyaml and reinstall your ruby.EZ PsychEZ YAMLEZ  LoadErrorEZ #$!EZ callerEZ []EZ warnEZ raiseEZ requireeq8M  3 P g