Said they were the IRS and I had an arrest warrant for me and that if I give them some money now they would lift the arrest warent and set up payment plan.

They are THIEVES and not the IRS.  Most likely they are in India or Pakistan.  IGNORE them!!

Got a call---voice was automated this time--- said that the IRS is calling me and there is a warrant for my address.  Please stop these scammers!

Got a call voice recording said they were IRS
Have no IRS problems
Scammers

Left message on cell. Listened to the message which explained that the Irs was filing a lawsuit against me, while getting a burrito I realized that this was the saddest burrito and proceeded to cry internally in fear of irs. I quickly went back to work waiting to clock out.
 Went home immidiatley to find out it twas indeed a scam. They owe me a [***] burrito, I scared that burrito down with fear. How dare they!! AAAAAAHHHHH  I didn't get to enjoy my burrito!! FIND THEM AND HAVE THEM MAKE ME A BURRITO!! THOSE [***] RUINED MY BURRITO, THEY WILL PAY!!!