How did she suffocate if her head was sticking out?
Did the reporter think to wonder about that?
Did the editor forbid the reporter from openly wondering about that?
There’s not just an obvious Darwin Award here, but some kind of bizarro journalism award, too.
The lid may have compressed her lungs or trachea.
Of course, crawling into a donation box does not confer immortality, she may well have been in poor health anyway and could not withstand whatever added physical stress being trapped in a donation box entails.