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Having called (actually emailed) FATIGUE after a double pump, I can tell you that I did not have any action taken against me either.

Main thing, follow the rules and play the game as it's suppose to be played.

Not sure how to post the link, but in the Pilot HandBook of Knowledge (PHBK) there's a great couple of chapters dealing with Fatigue and ORM.
Just use the IMSAFE Checklist.

We have a responsibility to our passengers and the flying public to maintain a certain level of Safety. It is NOT our responsibility to make up for the short comings of poor management.