Again, your mid game is very weak. Always behind everyone on upgrades and Tech, not mining gas stayed on tier 1 units for way too long. Entire game never have a 2nd gas. 2nd gas will let you upgrade, make lurkers. Don't only attack with 8-12 units every time, get out numbered and wasted your units, can't do any damage to anyone. You never build up any army at all, keep feeding to the middle, that's why you get cleaned by white. Your teammate zerg is way better and carried you, watch replay and learn from him. Don't stop mining gas, never forget your tech up, don't stuck on zerglings too long. Learn to focus on upgrades and econ, gather a sized army before you move out.