Asking because we read a few people saying on another social media platform that Carnival was no longer supplying loungers due to a safety hazard,
Hoping this is just a silly rumor.
I'm fairly certain that a kettle in your stateroom isn't an option.
You could inquire with room service to see if they can bring a carafe of hot water, if not you can obtain hot water from the coffee shop, buffet area or MDR.