How to crate/house train my puppy?

Ok so I officially bought an AKC Doberman pup. I have had him for 3 days now and he is 10 weeks old. They had him and his family out side. He seems like a very smart puppy, he didn't cry on the way home, he didn't cry or fight with me while I was giving him a bath, he understands no, and he has only used the restroom inside 2 times ( I thought he was sitting but he was peeing ). But so far so good until... the crate! I introduced him to the crate when we got home, its small enough for him to lie down and turn around if he needed to. But I used the methods of putting a treat in there and closing it when hes inside and taking him out after a few seconds, but when I put him in there at night he goes crazy! I feed him about 2,3 hours before bed and give him water until about an hour before bed. I take him out and wait for him to poop and pee before taking him to his crate. I wake up every 2,3 hours to let him outside to find he already pooped in there. I clean it out, spray it with some stuff I bought at petsmart to make them not use the restroom there, but everytime I go get him he still pooped or peed. He also cries non stop!! I tried putting him in the room with me, I didn't sleep, I put a blanket over the crate and put in a night light, still cried! I feel like I'm going crazy and its only day 4... I keep him in the crate while I go to work and my BF comes home not too long after I leave and takes him out and lets him play until I get home, but he has used the restroom in his crate again. He isn't in the crate for more than 3 hours. Please if you have any suggestions? I have read things online and I thought I was doing eveything they said but I don't know if I can handel this every night until hes 6 months old. Will he ever learn? I took him to the vet the day I got him and he is not sick with anything. Am I doing something wrong?