Claire did not die "as seen in season 6 episode 6"
Claire Johnston died in 1987.
Clair Weeks died on August 26, 1996, in Los Alamitos, California, USA.
Claire Brennen died on November 27, 1977, in Hollywood, California, USA of cancer.
Earlier in the movie, when Claire and Doug are having an intense conversation, Claire says: "It sounds weird, but ons sunny days I always think of someone dying". So in fact she warns Doug not to come over (then he would be the one who is going to die).
The duration of The Innkeepers - film - is 1.68 hours.
Claire did not die "as seen in season 6 episode 6"
Claire Croiza died in 1946.
Claire Delbos died in 1959.
Claire Phillips died in 1960.
Claire Fejes died in 1998.
Claire Burch died in 2009.
Claire Pratt died in 1995.
Claire Dux died in 1967.
Claire Brooks died in 2008.
Claire Polin died in 1995.
Claire Johnston died in 1987.