Use Option::expect instead of pattern matching in try_append_to_line_by_new_line
Use Option::expect instead of pattern matching in try_append_to_line_by_new_line

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b/servo,hyowon/servo,jgraham/servo,michaelwu/servo,zhangjunlei26/servo,notriddle/servo,mukilan/servo,walac/servo,splav/servo,jlegendary/servo,mt2d2/servo,karlito40/servo,walac/servo,dmarcos/servo,A-deLuna/servo,boghison/servo,rnestler/servo,huonw/servo,Adenilson/prototype-viewing-distance,KiChjang/servo,RenaudParis/servo,froydnj/servo,kindersung/servo,pyfisch/servo,rixrix/servo,eddyb/servo,juzer10/servo,boghison/servo,deokjinkim/servo,deokjinkim/servo,froydnj/servo,tafia/servo,nnethercote/servo,dagnir/servo,tschneidereit/servo,anthgur/servo,echochamber/servo,tempbottle/servo,WriterOfAlicrow/servo,mdibaiee/servo,mt2d2/servo,DominoTree/servo,g-k/servo,echochamber/servo,echochamber/servo,CJ8664/servo,canaltinova/servo,GreenRecycleBin/servo,g-k/servo,peterjoel/servo,paulrouget/servo,KiChjang/servo,peterjoel/servo,GyrosOfWar/servo,youprofit/servo,nick-thompson/servo,canaltinova/servo,zhangjunlei26/servo,splav/servo,aweinstock314/servo,ConnorGBrewster/servo,juzer10/servo,nick-thompson/servo,dvberkel/servo,seanmonstar/servo,dati91/servo,notriddle/servo,upsuper/servo,A-deLuna/servo,huonw/servo,steveklabnik/servo,saratang/servo,hyowon/servo,saneyuki/servo,bjwbell/servo,szeged/servo,pgonda/servo,jgraham/servo,rnestler/servo,cbrewster/servo,luniv/servo,pyfisch/servo,chotchki/servo,AnthonyBroadCrawford/servo,brendandahl/servo,dhananjay92/servo,nrc/servo,anthgur/servo,CJ8664/servo,KiChjang/servo,brendandahl/servo,shrenikgala/servo,shrenikgala/servo,notriddle/servo,vks/servo,samfoo/servo,nnethercote/servo,g-k/servo,zhangjunlei26/servo,luniv/servo,larsbergstrom/servo,thiagopnts/servo,saratang/servo,ruud-v-a/servo,sadmansk/servo,nnethercote/servo,anthgur/servo,chotchki/servo,zentner-kyle/servo,KiChjang/servo,peterjoel/servo,GreenRecycleBin/servo,michaelwu/servo,codemac/servo,fiji-flo/servo,mdibaiee/servo,avadacatavra/servo,zentner-kyle/servo,mattnenterprise/servo,fiji-flo/servo,samfoo/servo,ryancanhelpyou/servo,nerith/servo,bjwbell/servo,evilpie/servo,luniv/servo,wpgallih/servo,rnestler/servo,srbhklkrn/SERVOENGINE,tschneidereit/servo,larsbergstrom/servo,snf/servo,dhananjay92/servo,rentongzhang/servo,seanmonstar/servo,emilio/servo,canaltinova/servo,nerith/servo,szeged/servo,fiji-flo/servo,emilio/servo,szeged/servo,mattnenterprise/servo,mattnenterprise/servo,dsandeephegde/servo,A-deLuna/servo,deokjinkim/servo,A-deLuna/servo,nerith/servo,upsuper/servo,jdramani/servo,notriddle/servo,splav/servo,shrenikgala/servo,meh/servo,jlegendary/servo,thiagopnts/servo,jlegendary/servo,tschneidereit/servo,j3parker/servo,jdramani/servo,wpgallih/servo,anthgur/servo,upsuper/servo,tafia/servo,shrenikgala/servo,KiChjang/servo,aidanhs/servo,jdramani/servo,deokjinkim/servo,indykish/servo,jimberlage/servo,splav/servo,bjwbell/servo,RenaudParis/servo,rixrix/servo,walac/servo,vks/servo,avadacatavra/servo,pgonda/servo,eddyb/servo,mukilan/servo,mbrubeck/servo,notriddle/servo,A-deLuna/servo,notriddle/servo,emilio/servo,RenaudParis/servo,froydnj/servo,dagnir/servo,GreenRecycleBin/servo,nick-thompson/servo,huonw/servo,bfrohs/servo,GreenRecycleBin/servo,jgraham/servo,ConnorGBrewster/servo,akosel/servo,nrc/servo,dsandeephegde/servo,chotchki/servo,echochamber/servo,pyfisch/servo,pgonda/servo,s142857/servo,KiChjang/servo,rixrix/servo,aweinstock314/servo,akosel/servo,kindersung/servo,Adenilson/prototype-viewing-distance,Shraddha512/servo,A-deLuna/servo,Adenilson/prototype-viewing-distance,boghison/servo,luniv/servo,nerith/servo,ruud-v-a/servo,walac/servo,aweinstock314/servo,hyowon/servo,eddyb/servo,dhananjay92/servo,froydnj/servo,splav/servo,jgraham/servo,pyfisch/servo,SimonSapin/servo,emilio/servo,A-deLuna/servo,g-k/servo,thiagopnts/servo,indykish/servo,rentongzhang/servo,indykish/servo,thiagopnts/servo,AnthonyBroadCrawford/servo,karlito40/servo,saratang/servo,ryancanhelpyou/servo,rixrix/servo,kindersung/servo,huonw/servo,pyecs/servo,avadacatavra/servo,luniv/servo,nnethercote/servo,karlito40/servo,fiji-flo/servo,luniv/servo,caldwell/servo,caldwell/servo,cbrewster/servo,j3parker/servo,evilpie/servo,caldwell/servo,upsuper/servo,DominoTree/servo,emilio/servo,jimberlage/servo,pyecs/servo,srbhklkrn/SERVOENGINE,j3parker/servo,bjwbell/servo,szeged/servo,upsuper/servo,emilio/servo,paulrouget/servo,karlito40/servo,canaltinova/servo,tschneidereit/servo,karlito40/servo,tafia/servo,saneyuki/servo,caldwell/servo,mt2d2/servo,jdramani/servo,aweinstock314/servo,mdibaiee/servo,jimberlage/servo,indykish/servo,jgraham/servo,bfrohs/servo,snf/servo,steveklabnik/servo,dati91/servo,s142857/servo,ConnorGBrewster/servo,Adenilson/prototype-viewing-distance,saratang/servo,tempbottle/servo,rentongzhang/servo,dhananjay92/servo,brendandahl/servo,mbrubeck/servo,seanmonstar/servo,boghison/servo,jlegendary/servo,caldwell/servo,michaelwu/servo,paulrouget/servo,codemac/servo,RenaudParis/servo,ryancanhelpyou/servo,mukilan/servo,larsbergstrom/servo,mbrubeck/servo,j3parker/servo,evilpie/servo,Shraddha512/servo,saneyuki/servo,fiji-flo/servo,notriddle/servo,saratang/servo,ryancanhelpyou/servo,dagnir/servo,AnthonyBroadCrawford/servo,shrenikgala/servo,akosel/servo,saneyuki/servo,WriterOfAlicrow/servo,wartman4404/servo,GreenRecycleBin/servo,nerith/servo,SimonSapin/servo,saneyuki/servo,splav/servo,tschneidereit/servo,RenaudParis/servo,jgraham/servo,GyrosOfWar/servo,rixrix/servo,saratang/servo,paulrouget/servo,sadmansk/servo,ConnorGBrewster/servo,aidanhs/servo,wartman4404/servo,mbrubeck/servo,michaelwu/servo,mattnenterprise/servo,vks/servo,anthgur/servo,DominoTree/servo,samfoo/servo,zhangjunlei26/servo,s142857/servo,echochamber/servo,nerith/servo,sadmansk/servo,mbrubeck/servo,aidanhs/servo,zentner-kyle/servo,jimberlage/servo,mattnenterprise/servo,mt2d2/servo,KiChjang/servo,rentongzhang/servo,indykish/servo,evilpie/servo,nerith/servo,bjwbell/servo,fiji-flo/servo,wartman4404/servo,tempbottle/servo,zhangjunlei26/servo,rentongzhang/servo,snf/servo,codemac/servo,dvberkel/servo,avadacatavra/servo,WriterOfAlicrow/servo,bjwbell/servo,nick-thompson/servo,dsandeephegde/servo,samfoo/servo,eddyb/servo,cbrewster/servo,KiChjang/servo,canaltinova/servo,mukilan/servo,jimberlage/servo,hyowon/servo,Adenilson/prototype-viewing-distance,boghison/servo,pyfisch/servo,dhananjay92/servo,AnthonyBroadCrawford/servo,cbrewster/servo,rixrix/servo,dati91/servo,wpgallih/servo,SimonSapin/servo,fiji-flo/servo,kindersung/servo,kindersung/servo,canaltinova/servo,meh/servo,canaltinova/servo,indykish/servo,echochamber/servo,dvberkel/servo,runarberg/servo,juzer10/servo,splav/servo,s142857/servo,thiagopnts/servo,tempbottle/servo,sadmansk/servo,tafia/servo,snf/servo,Shraddha512/servo,michaelwu/servo,zentner-kyle/servo,boghison/servo,AnthonyBroadCrawford/servo,wartman4404/servo,wpgallih/servo,wpgallih/servo,jdramani/servo,pyfisch/servo,srbhklkrn/SERVOENGINE,youprofit/servo,saratang/servo,aweinstock314/servo,youprofit/servo,cbrewster/servo,larsbergstrom/servo,evilpie/servo,walac/servo,rixrix/servo,samfoo/servo,sadmansk/servo,seanmonstar/servo,steveklabnik/servo,dmarcos/servo,brendandahl/servo,jlegendary/servo,runarberg/servo,saneyuki/servo,ConnorGBrewster/servo,eddyb/servo,dmarcos/servo,shrenikgala/servo,mdibaiee/servo,CJ8664/servo,notriddle/servo,dvberkel/servo,ryancanhelpyou/servo,froydnj/servo,notriddle/servo