If you share needles with other drug users, you're 'signing your own death warrant'. [=you are doing something that will cause your own death]
The seller 'warrants' [=(more commonly) 'guarantees'] that the car has no defects.
This report 'warrants' careful study. [=this report should be given careful study]
(..) Byron Hadley sobbed like a girl... ...when they took him away. Norton had no intention of going that quietly. Samuel Norton. We have a warrant for your arrest. Open up. Open the door. I'm not sure which key. Make it easy on yourself, Norton! I like to think the last thing (..)1994 The Shawshank Redemption