Buckets disapear when filled up with water

this also happens in 0.7.3 and I have lost lots of iron

What I expected to happen was...: that I would get a bucket of water
Describe what you thought should happen here

*What actually happened was...:*i lost the bucket and did not get a bucket if water
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...make bucket in crafting table
3. ...tap on water