Possible weekend job with trucking?

FMCSA 395.2
• All time at a plant, terminal, facility, or other property of a motor carrier or shipper, or on any public property, waiting to be dispatched, unless you have been relieved from duty by the motor carrier
• All time inspecting, servicing, or conditioning any truck, including fueling it and washing it at any time
• All driving time, as defined in the term driving time; • All other time in or on a commercial motor vehicle other than:
(i) Time spent resting in or on a parked vehicle, except as otherwise provided in Section 397.5 of the Federal Motor Carrier Safety Regulations;
(ii) Time spent resting in a sleeper berth; (iii) Up to 2 hours riding in the passenger seat of a property-carrying vehicle moving on the highway immediately before or after a period of at least 8 consecutive hours in the sleeper berth
• All time loading, unloading, supervising, or attending your truck; or handling paperwork for shipments; • All time taking care of your truck when it is broken down
• All time spent providing a breath, saliva, or urine sample for drug/ alcohol testing, including travel to and from the collection site;
• All time spent doing any other work for a motor carrier, including giving or receiving training and driving a company car; and
• All time spent doing paid work for anyone who is not a motor carrier, such as a part-time job at a local restaurant.
The bottom line is that on-duty time includes all time you are working for a motor carrier, whether paid or not, and all time you are doing paid work for anyone else.

Above from a FMCSA pdf
https://www.fmcsa.dot.gov/sites/fmcsa.dot.gov/files/docs/Drivers Guide to HOS 2015_508.pdf

Ok. Now can you still get away with not counting the non driving job? Probably. But if you have an accident on the driving job and someone gets hurt or killed, you could be in deep doo doo.