bin/keep_up in keep_up-0.4.0 vs bin/keep_up in keep_up-0.5.0

@@ -23,7 +23,8 @@
 end.parse!
 
 begin
   KeepUp::Application.new(options).run
 rescue KeepUp::BailOut => e
-  puts "Failure: #{e.message}"
+  warn e.message
+  exit 1
 end