Viewers flocked to TruTV for “Hardcore Pawn” on Tuesday night, landing the cabler its largest audience of all time.Unscripted skein, now in its sixth season, was the top basic cable program in the 9 p.m. timeslot, drawing 3.1 million total viewers. “Pawn” also performed strongly in male demos, ranking third among cablers in its timeslot among men 18-34. In adults 18-49, it drew 1.43 million viewers. “Hardcore Pawn” is produced by Zodiak USA. Natalka Znak, Mike Gamson and Richard Dominick exec produce the skein.