Lots of people mixing up an outright bust versus a disappointment (based on draft position, rookie season, whatever).
From 2014 Dal Colle is the epitome of this thread. Virtanen, Fleury, Bennett are all serious disappointments but not busts. After this season DeAngelo and possibly McCann, Scherbak, Goldobin & Milano are safe to call busts. Sanheim, Quenneville, Perlini probably lead this thread next offseason if they dont show anything.
If you're a top6 or bust type of fwd this is likely your last season unless youre buried on a depth chart a la Kapanen
From 2015 draft only guys i see are Svechnikov & Guryanov. Crouse & Zacha probably get 2-3 more seasons to figure it out and/or carve out a bottom 6 career based on their physical attributes.
Zboril, Shenyshyn & Gabriel Carlsson i dont know enough about but likely get more than one more season as theyre all defensemen.