Rubocop bug report

gistfile1.rb

unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
source 'https://rubygems.org'

gem 'rubocop', github: 'bbatsov/rubocop'
GEMFILE
  system 'bundle'
end

require 'bundler'
Bundler.setup(:default)

class Test # :nodoc:
  def buggy
    @events = Event.where('end_date > ?', DateTime.now).order(:start_date)
  end
end

# This should print "Do not use DateTime.now without zone. Use Time.zone.now instead."
system 'bundle exec rubocop -R'