refactor(server): Add explicit lifetime annotations for Handler trait
refactor(server): Add explicit lifetime annotations for Handler trait

mlalic/hyper,lame-nickname/hyper,markuskobler/hyper,fhahn/hyper,yangxingpping/hyper,mneumann/hyper,tshepang/hyper,mitsuhiko/hyper,golddranks/hyper,golddranks/hyper,Ryman/hyper,hyperium/hyper,mre/hyper,bonifaido/hyper,reem/hyper,tempbottle/hyper,PeterReid/hyper,hyperium/hyper,yazaddaruvala/hyper,giftcards/hyper,jmmaranan/hyper,nstoddard/hyper,erickt/hyper,TimNN/hyper,hannobraun/hyper,nickgonzales/hyper,hyperium/hyper,markuskobler/hyper,mfeckie/hyper,pyfisch/hyper,steveklabnik/hyper,frewsxcv/hyper,hannobraun/hyper,Keats/hyper,fuchsnj/hyper,mikedilger/hyper,tshepang/hyper,softprops/hyper,nickgonzales/hyper,fengsp/hyper,servo/hyper,Twey/hyper,nickgonzales/hyper,hannobraun/hyper,golddranks/hyper,sfackler/hyper,clatour/hyper,manuel-woelker/hyper,huonw/hyper,mlalic/hyper,Keats/hyper,Keats/hyper,achanda/hyper,Twey/hyper,Twey/hyper,yazaddaruvala/hyper,tshepang/hyper,bheesham/hyper,peterhj/hyper,nstoddard/hyper,markuskobler/hyper,ianks/hyper,youprofit/hyper,rschulman/hyper