Fix warning: Use iterator.min_by_key instead of iterator.min_by
Fix warning: Use iterator.min_by_key instead of iterator.min_by

anthgur/servo,pyfisch/servo,pyfisch/servo,jimberlage/servo,steveklabnik/servo,larsbergstrom/servo,anthgur/servo,rnestler/servo,splav/servo,nrc/servo,larsbergstrom/servo,nnethercote/servo,mattnenterprise/servo,DominoTree/servo,mbrubeck/servo,nrc/servo,splav/servo,SimonSapin/servo,saneyuki/servo,notriddle/servo,thiagopnts/servo,avadacatavra/servo,splav/servo,emilio/servo,KiChjang/servo,emilio/servo,KiChjang/servo,pyfisch/servo,saneyuki/servo,dsandeephegde/servo,cbrewster/servo,mbrubeck/servo,cbrewster/servo,pyfisch/servo,peterjoel/servo,KiChjang/servo,jimberlage/servo,fiji-flo/servo,mattnenterprise/servo,dati91/servo,nnethercote/servo,jimberlage/servo,KiChjang/servo,eddyb/servo,fiji-flo/servo,mbrubeck/servo,dsandeephegde/servo,canaltinova/servo,rnestler/servo,thiagopnts/servo,DominoTree/servo,emilio/servo,saneyuki/servo,peterjoel/servo,rnestler/servo,larsbergstrom/servo,ConnorGBrewster/servo,nnethercote/servo,notriddle/servo,larsbergstrom/servo,notriddle/servo,saneyuki/servo,larsbergstrom/servo,eddyb/servo,sadmansk/servo,upsuper/servo,fiji-flo/servo,notriddle/servo,sadmansk/servo,ConnorGBrewster/servo,mbrubeck/servo,DominoTree/servo,peterjoel/servo,mattnenterprise/servo,notriddle/servo,fiji-flo/servo,nnethercote/servo,eddyb/servo,SimonSapin/servo,jimberlage/servo,notriddle/servo,pyfisch/servo,nrc/servo,upsuper/servo,jimberlage/servo,dsandeephegde/servo,CJ8664/servo,peterjoel/servo,cbrewster/servo,mattnenterprise/servo,avadacatavra/servo,paulrouget/servo,emilio/servo,splav/servo,ConnorGBrewster/servo,upsuper/servo,thiagopnts/servo,dati91/servo,thiagopnts/servo,ConnorGBrewster/servo,peterjoel/servo,KiChjang/servo,saneyuki/servo,steveklabnik/servo,SimonSapin/servo,canaltinova/servo,fiji-flo/servo,anthgur/servo,jimberlage/servo,DominoTree/servo,avadacatavra/servo,cbrewster/servo,pyfisch/servo,dati91/servo,DominoTree/servo,canaltinova/servo,peterjoel/servo,DominoTree/servo,larsbergstrom/servo,SimonSapin/servo,emilio/servo,avadacatavra/servo,paulrouget/servo,dsandeephegde/servo,CJ8664/servo,ConnorGBrewster/servo,canaltinova/servo,dsandeephegde/servo,paulrouget/servo,larsbergstrom/servo,rnestler/servo,larsbergstrom/servo,saneyuki/servo,emilio/servo,canaltinova/servo,jimberlage/servo,ConnorGBrewster/servo,steveklabnik/servo,anthgur/servo,szeged/servo,szeged/servo,canaltinova/servo,upsuper/servo,peterjoel/servo,steveklabnik/servo,nnethercote/servo,KiChjang/servo,nrc/servo,jimberlage/servo,szeged/servo,rnestler/servo,upsuper/servo,CJ8664/servo,cbrewster/servo,szeged/servo,DominoTree/servo,CJ8664/servo,fiji-flo/servo,mattnenterprise/servo,splav/servo,nnethercote/servo,dsandeephegde/servo,eddyb/servo,nrc/servo,splav/servo,cbrewster/servo,fiji-flo/servo,emilio/servo,avadacatavra/servo,szeged/servo,emilio/servo,nnethercote/servo,SimonSapin/servo,jimberlage/servo,splav/servo,sadmansk/servo,pyfisch/servo,cbrewster/servo,mattnenterprise/servo,emilio/servo,saneyuki/servo,splav/servo,nrc/servo,szeged/servo,anthgur/servo,nnethercote/servo,peterjoel/servo,rnestler/servo,saneyuki/servo,mbrubeck/servo,notriddle/servo,nrc/servo,CJ8664/servo,KiChjang/servo,sadmansk/servo,saneyuki/servo,mbrubeck/servo,mattnenterprise/servo,ConnorGBrewster/servo,mbrubeck/servo,ConnorGBrewster/servo,dati91/servo,dati91/servo,sadmansk/servo,thiagopnts/servo,dati91/servo,mattnenterprise/servo,eddyb/servo,anthgur/servo,szeged/servo,szeged/servo,paulrouget/servo,upsuper/servo,splav/servo,anthgur/servo,DominoTree/servo,paulrouget/servo,szeged/servo,thiagopnts/servo,rnestler/servo,upsuper/servo,steveklabnik/servo,szeged/servo,KiChjang/servo,saneyuki/servo,eddyb/servo,peterjoel/servo,CJ8664/servo,SimonSapin/servo,notriddle/servo,canaltinova/servo,peterjoel/servo,dsandeephegde/servo,SimonSapin/servo,dati91/servo,pyfisch/servo,anthgur/servo,notriddle/servo,rnestler/servo,pyfisch/servo,DominoTree/servo,KiChjang/servo,thiagopnts/servo,sadmansk/servo,paulrouget/servo,paulrouget/servo,emilio/servo,dati91/servo,nnethercote/servo,nnethercote/servo,larsbergstrom/servo,eddyb/servo,notriddle/servo,thiagopnts/servo,splav/servo,pyfisch/servo,steveklabnik/servo,upsuper/servo,DominoTree/servo,canaltinova/servo,avadacatavra/servo,dsandeephegde/servo,sadmansk/servo,paulrouget/servo,cbrewster/servo,eddyb/servo,KiChjang/servo,avadacatavra/servo,CJ8664/servo,fiji-flo/servo,sadmansk/servo,paulrouget/servo,larsbergstrom/servo,mbrubeck/servo,steveklabnik/servo,avadacatavra/servo,SimonSapin/servo,paulrouget/servo,CJ8664/servo