def fatal_backtrace(msg, error)
      $stderr.puts paint(:red, "Error: ") + "#{msg}: #{error}"
      $stderr.puts
      $stderr.puts "Here's a full backtrace:"
      $stderr.puts error.backtrace
    end
def fatal_backtrace(msg, error)
      $stderr.puts paint(:red, "Error: ") + "#{msg}: #{error}"
      $stderr.puts
      $stderr.puts "Here's a full backtrace:"
      $stderr.puts error.backtrace
    end
Prints fatal error message with backtrace.
 The error param should be $! from resque block.