Why didn't you roust me out? / Well, I tried to, but I couldn't; I couldn't budge you. / Well, all right. Don't stand there palavering all day, but out with you and see if there's a fish on the lines for breakfast. I'll be along in a minute..
If you roust someone, you disturb, upset, or hit them, or make them move from their place. Relax, kid, we're not about to roust you. We just want some information Bruce had gone to bed, but they rousted him out. To rout, especially out of bed. to make someone move from a place (Probably from rouse)