Please some some achievement are buggy.
When you get to the cable car station area. Interact with the lunch box in front of the cupboard and interact with the big cogs. Pull the lever and the lunchbox should break open. Use the jam and paperclip and the roach match box in the inventory. Check under the levers for the open hatch and use the tea biscuit and prongs on it. Set the roach free into the hatch.
Video guide if you prefer: