Corrupted renders. No movement on render, disapearing objects

Hello. I’m desperate: Blender doesn’t render correctly my small animations. Everything is okay on viewport. I checked in outliner visibility on renders, checked timelines etc.

On #1 animation there’s no movement at all. Only cameras are changing like it should.
Render:
HumanResult
Viewport:
HumanViewport

On animation #2 car in some places doesn’t move (but it should) or it isn’t present at all in some moment (and it should ofcourse be visible ).
Render:
CarResult
Viewport:
CarViewport