Change osmain.rs to new task::task_builder interface
Change osmain.rs to new task::task_builder interface

mattnenterprise/servo,brendandahl/servo,avadacatavra/servo,echochamber/servo,pyecs/servo,mukilan/servo,paulrouget/servo,Shraddha512/servo,seanmonstar/servo,paulrouget/servo,wartman4404/servo,avadacatavra/servo,froydnj/servo,srbhklkrn/SERVOENGINE,brson/servo,brendandahl/servo,dhananjay92/servo,caldwell/servo,nerith/servo,Adenilson/prototype-viewing-distance,akosel/servo,saratang/servo,nerith/servo,notriddle/servo,aidanhs/servo,Shraddha512/servo,emilio/servo,j3parker/servo,bjwbell/servo,szeged/servo,michaelwu/servo,AnthonyBroadCrawford/servo,huonw/servo,pyfisch/servo,wpgallih/servo,AnthonyBroadCrawford/servo,A-deLuna/servo,rixrix/servo,Shraddha512/servo,g-k/servo,wpgallih/servo,walac/servo,mrobinson/servo,karlito40/servo,KiChjang/servo,larsbergstrom/servo,GyrosOfWar/servo,Aalhad/CanvasRenderingContext2DMozilla,dagnir/servo,jgraham/servo,cbrewster/servo,mdibaiee/servo,notriddle/servo,zhangjunlei26/servo,pgonda/servo,GreenRecycleBin/servo,dsandeephegde/servo,deokjinkim/servo,sadmansk/servo,jdramani/servo,pcwalton/servo,deokjinkim/servo,ruud-v-a/servo,Adenilson/prototype-viewing-distance,evilpie/servo,aweinstock314/servo,jlegendary/servo,emilio/servo,codemac/servo,wpgallih/servo,dhananjay92/servo,sadmansk/servo,CJ8664/servo,nnethercote/servo,mrobinson/servo,Shraddha512/servo,anthgur/servo,jgraham/servo,SimonSapin/servo,aidanhs/servo,youprofit/servo,DominoTree/servo,mdibaiee/servo,g-k/servo,RenaudParis/servo,aweinstock314/servo,jgraham/servo,wpgallih/servo,snf/servo,splav/servo,metajack/servo,fiji-flo/servo,nerith/servo,zhangjunlei26/servo,codemac/servo,larsbergstrom/servo,splav/servo,luniv/servo,nnethercote/servo,wartman4404/servo,GreenRecycleBin/servo,RenaudParis/servo,fiji-flo/servo,aidanhs/servo,echochamber/servo,DominoTree/servo,samfoo/servo,CJ8664/servo,CJ8664/servo,pcwalton/servo,dvberkel/servo,bjwbell/servo,echochamber/servo,brson/servo,bfrohs/servo,karlito40/servo,g-k/servo,luniv/servo,vks/servo,pyfisch/servo,rentongzhang/servo,notriddle/servo,pyecs/servo,larsbergstrom/servo,RenaudParis/servo,tempbottle/servo,ConnorGBrewster/servo,mattnenterprise/servo,seanmonstar/servo,owaspjocur/servo,dhananjay92/servo,A-deLuna/servo,s142857/servo,rentongzhang/servo,evilpie/servo,chotchki/servo,mattnenterprise/servo,s142857/servo,AnthonyBroadCrawford/servo,nnethercote/servo,michaelwu/servo,A-deLuna/servo,rnestler/servo,rixrix/servo,SimonSapin/servo,snf/servo,jimberlage/servo,mattnenterprise/servo,echochamber/servo,srbhklkrn/SERVOENGINE,splav/servo,GreenRecycleBin/servo,boghison/servo,shrenikgala/servo,indykish/servo,shrenikgala/servo,pcwalton/servo,jdramani/servo,aidanhs/servo,sadmansk/servo,CJ8664/servo,AnthonyBroadCrawford/servo,WriterOfAlicrow/servo,kindersung/servo,tempbottle/servo,karlito40/servo,echochamber/servo,eddyb/servo,emilio/servo,walac/servo,aweinstock314/servo,bfrohs/servo,zhangjunlei26/servo,cbrewster/servo,CJ8664/servo,paulrouget/servo,dagnir/servo,fiji-flo/servo,sadmansk/servo,zentner-kyle/servo,samfoo/servo,tempbottle/servo,upsuper/servo,thiagopnts/servo,jlegendary/servo,mbrubeck/servo,nrc/servo,youprofit/servo,codemac/servo,KiChjang/servo,peterjoel/servo,huonw/servo,Aalhad/CanvasRenderingContext2DMozilla,steveklabnik/servo,jgraham/servo,eddyb/servo,GyrosOfWar/servo,tschneidereit/servo,indykish/servo,mrobinson/servo,szeged/servo,froydnj/servo,froydnj/servo,huonw/servo,thiagopnts/servo,s142857/servo,jimberlage/servo,michaelwu/servo,akosel/servo,mbrubeck/servo,hyowon/servo,youprofit/servo,Aalhad/CanvasRenderingContext2DMozilla,ruud-v-a/servo,anthgur/servo,mt2d2/servo,sadmansk/servo,rnestler/servo,chotchki/servo,bjwbell/servo,tafia/servo,froydnj/servo,RenaudParis/servo,anthgur/servo,hyowon/servo,pyfisch/servo,mdibaiee/servo,jimberlage/servo,nrc/servo,michaelwu/servo,akosel/servo,mattnenterprise/servo,tschneidereit/servo,akosel/servo,meh/servo,eddyb/servo,avadacatavra/servo,srbhklkrn/SERVOENGINE,eddyb/servo,rentongzhang/servo,szeged/servo,A-deLuna/servo,metajack/servo,metajack/servo,larsbergstrom/servo,meh/servo,GreenRecycleBin/servo,peterjoel/servo,aweinstock314/servo,upsuper/servo,dsandeephegde/servo,indykish/servo,emilio/servo,wartman4404/servo,vks/servo,kindersung/servo,canaltinova/servo,dagnir/servo,saneyuki/servo,jimberlage/servo,DominoTree/servo,Aalhad/CanvasRenderingContext2DMozilla,KiChjang/servo,saneyuki/servo,nnethercote/servo,notriddle/servo,splav/servo,snf/servo,cbrewster/servo,shrenikgala/servo,paulrouget/servo,peterjoel/servo,wartman4404/servo,pcwalton/servo,srbhklkrn/SERVOENGINE,DominoTree/servo,owaspjocur/servo,thiagopnts/servo,nnethercote/servo,mukilan/servo,bhearsum-bors/servo,AnthonyBroadCrawford/servo,codemac/servo,huonw/servo,mbrubeck/servo,luniv/servo,dati91/servo,jimberlage/servo,bhearsum-bors/servo,dmarcos/servo,saratang/servo,meh/servo,metajack/servo,mbrubeck/servo,saratang/servo,dmarcos/servo,walac/servo,srbhklkrn/SERVOENGINE,chotchki/servo,brendandahl/servo,saratang/servo,dsandeephegde/servo,brson/servo,jlegendary/servo,thiagopnts/servo,brendandahl/servo,dsandeephegde/servo,s142857/servo,Aalhad/CanvasRenderingContext2DMozilla,ConnorGBrewster/servo,jgraham/servo,larsbergstrom/servo,A-deLuna/servo,evilpie/servo,juzer10/servo,aweinstock314/servo,karlito40/servo,brendandahl/servo,metajack/servo,jlegendary/servo,walac/servo,mattnenterprise/servo,chotchki/servo,peterjoel/servo,youprofit/servo,KiChjang/servo,dati91/servo,ryancanhelpyou/servo,notriddle/servo,runarberg/servo,snf/servo,WriterOfAlicrow/servo,echochamber/servo,Adenilson/prototype-viewing-distance,KiChjang/servo,paulrouget/servo,dmarcos/servo,paulrouget/servo,dhananjay92/servo,karlito40/servo,kindersung/servo,emilio/servo,avadacatavra/servo,jimberlage/servo,WriterOfAlicrow/servo,owaspjocur/servo,CJ8664/servo,brendandahl/servo,upsuper/servo,evilpie/servo,wpgallih/servo,fiji-flo/servo,hyowon/servo,pgonda/servo,mdibaiee/servo,saneyuki/servo,pyfisch/servo,juzer10/servo,samfoo/servo,tschneidereit/servo,j3parker/servo,AnthonyBroadCrawford/servo,g-k/servo,juzer10/servo,KiChjang/servo,zhangjunlei26/servo,caldwell/servo,dsandeephegde/servo,jlegendary/servo,larsbergstrom/servo,mt2d2/servo,huonw/servo,mattnenterprise/servo,emilio/servo,tafia/servo,paulrouget/servo,szeged/servo,dhananjay92/servo,mbrubeck/servo,tafia/servo,vks/servo,dsandeephegde/servo,GreenRecycleBin/servo,eddyb/servo,canaltinova/servo,thiagopnts/servo,GreenRecycleBin/servo,deokjinkim/servo,hyowon/servo,mt2d2/servo,zhangjunlei26/servo,pyecs/servo,CJ8664/servo,SimonSapin/servo,dhananjay92/servo,larsbergstrom/servo,Shraddha512/servo,vks/servo,nrc/servo,runarberg/servo,nick-thompson/servo,mdibaiee/servo,dagnir/servo,nnethercote/servo,luniv/servo,seanmonstar/servo,indykish/servo,bhearsum-bors/servo,jdramani/servo,mt2d2/servo,zentner-kyle/servo,peterjoel/servo,hyowon/servo,anthgur/servo,codemac/servo,echochamber/servo,dvberkel/servo,zentner-kyle/servo,thiagopnts/servo,RenaudParis/servo,avadacatavra/servo,pyecs/servo,mukilan/servo,dvberkel/servo,kindersung/servo,mukilan/servo,AnthonyBroadCrawford/servo,rnestler/servo,splav/servo,pcwalton/servo,j3parker/servo,mattnenterprise/servo,notriddle/servo,splav/servo,nerith/servo,sadmansk/servo,boghison/servo,runarberg/servo,indykish/servo,DominoTree/servo,splav/servo,peterjoel/servo,walac/servo,ConnorGBrewster/servo,peterjoel/servo,fiji-flo/servo,j3parker/servo,SimonSapin/servo,nick-thompson/servo,canaltinova/servo,tschneidereit/servo,fiji-flo/servo,caldwell/servo,nerith/servo,akosel/servo,ryancanhelpyou/servo,notriddle/servo,hyowon/servo,dagnir/servo,pyfisch/servo,dvberkel/servo,brson/servo,WriterOfAlicrow/servo,tschneidereit/servo,notriddle/servo,upsuper/servo,SimonSapin/servo,ruud-v-a/servo,pgonda/servo,ConnorGBrewster/servo,peterjoel/servo,samfoo/servo,seanmonstar/servo,j3parker/servo,CJ8664/servo,steveklabnik/servo,tschneidereit/servo,RenaudParis/servo,tschneidereit/servo,shrenikgala/servo,zentner-kyle/servo,aidanhs/servo,nnethercote/servo,juzer10/servo,runarberg/servo,huonw/servo,dmarcos/servo,GyrosOfWar/servo,wpgallih/servo,cbrewster/servo,zentner-kyle/servo,vks/servo,szeged/servo,rnestler/servo,Shraddha512/servo,tafia/servo,szeged/servo,mbrubeck/servo,emilio/servo,samfoo/servo,dvberkel/servo,upsuper/servo,aweinstock314/servo,bfrohs/servo,youprofit/servo,saneyuki/servo,michaelwu/servo,rixrix/servo,nnethercote/servo,KiChjang/servo,peterjoel/servo,GyrosOfWar/servo,owaspjocur/servo,dagnir/servo,deokjinkim/servo,bhearsum-bors/servo,mukilan/servo,cbrewster/servo,tempbottle/servo,froydnj/servo,DominoTree/servo,Adenilson/prototype-viewing-distance,WriterOfAlicrow/servo,jlegendary/servo,tempbottle/servo,ryancanhelpyou/servo,dsandeephegde/servo,thiagopnts/servo,splav/servo,canaltinova/servo,mbrubeck/servo,peterjoel/servo,dati91/servo,Adenilson/prototype-viewing-distance,chotchki/servo,pyfisch/servo,shrenikgala/servo,fiji-flo/servo,kindersung/servo,jimberlage/servo,jdramani/servo,j3parker/servo,karlito40/servo,froydnj/servo,indykish/servo,rixrix/servo,dsandeephegde/servo,karlito40/servo,youprofit/servo,GyrosOfWar/servo,luniv/servo,Aalhad/CanvasRenderingContext2DMozilla,dati91/servo,pyfisch/servo,boghison/servo,saneyuki/servo,g-k/servo,bfrohs/servo,paulrouget/servo,jdramani/servo,rixrix/servo,pyfisch/servo,meh/servo,runarberg/servo,wpgallih/servo,wpgallih/servo,rixrix/servo,samfoo/servo,dvberkel/servo,evilpie/servo,canaltinova/servo,huonw/servo,metajack/servo,DominoTree/servo,rnestler/servo,emilio/servo,nick-thompson/servo,dati91/servo,dati91/servo,upsuper/servo,vks/servo,ConnorGBrewster/servo,dvberkel/servo,owaspjocur/servo,akosel/servo,cbrewster/servo,nick-thompson/servo,pyecs/servo,rentongzhang/servo,ryancanhelpyou/servo,ruud-v-a/servo,szeged/servo,dagnir/servo,aweinstock314/servo,mt2d2/servo,A-deLuna/servo,rixrix/servo,owaspjocur/servo,bfrohs/servo,GyrosOfWar/servo,SimonSapin/servo,bhearsum-bors/servo,boghison/servo,rentongzhang/servo,ConnorGBrewster/servo,tafia/servo,rixrix/servo,saneyuki/servo,steveklabnik/servo,avadacatavra/servo,pyecs/servo,walac/servo,nnethercote/servo,seanmonstar/servo,nrc/servo,avadacatavra/servo,saratang/servo,rnestler/servo,ryancanhelpyou/servo,upsuper/servo,szeged/servo,walac/servo,GreenRecycleBin/servo,j3parker/servo,indykish/servo,akosel/servo,indykish/servo,jgraham/servo,tempbottle/servo,tafia/servo,saneyuki/servo,anthgur/servo,bjwbell/servo,saratang/servo,runarberg/servo,splav/servo,steveklabnik/servo,cbrewster/servo,dmarcos/servo,steveklabnik/servo,Adenilson/prototype-viewing-distance,evilpie/servo,dati91/servo,ruud-v-a/servo,paulrouget/servo,evilpie/servo,dhananjay92/servo,srbhklkrn/SERVOENGINE,pgonda/servo,samfoo/servo,rentongzhang/servo,pgonda/servo,caldwell/servo,runarberg/servo,notriddle/servo,splav/servo,aidanhs/servo,saneyuki/servo,DominoTree/servo,bhearsum-bors/servo,anthgur/servo,bjwbell/servo,A-deLuna/servo,nrc/servo,snf/servo,wartman4404/servo,codemac/servo,chotchki/servo,jimberlage/servo,jlegendary/servo,youprofit/servo,mt2d2/servo,Adenilson/prototype-viewing-distance,dmarcos/servo,dati91/servo,pyfisch/servo,pgonda/servo,ConnorGBrewster/servo,GreenRecycleBin/servo,DominoTree/servo,pyfisch/servo,larsbergstrom/servo,GyrosOfWar/servo,brson/servo,zhangjunlei26/servo,zentner-kyle/servo,SimonSapin/servo,canaltinova/servo,upsuper/servo,juzer10/servo,anthgur/servo,deokjinkim/servo,WriterOfAlicrow/servo,s142857/servo,shrenikgala/servo,eddyb/servo,RenaudParis/servo,thiagopnts/servo,ryancanhelpyou/servo,wpgallih/servo,ryancanhelpyou/servo,hyowon/servo,g-k/servo,nerith/servo,Shraddha512/servo,eddyb/servo,SimonSapin/servo,GreenRecycleBin/servo,emilio/servo,jdramani/servo,anthgur/servo,emilio/servo,kindersung/servo,zhangjunlei26/servo,jgraham/servo,caldwell/servo,avadacatavra/servo,aidanhs/servo,bjwbell/servo,DominoTree/servo,larsbergstrom/servo,bfrohs/servo,rnestler/servo,canaltinova/servo,evilpie/servo,srbhklkrn/SERVOENGINE,nrc/servo,nick-thompson/servo,indykish/servo,nrc/servo,steveklabnik/servo,saneyuki/servo,deokjinkim/servo,boghison/servo,ConnorGBrewster/servo,KiChjang/servo,mrobinson/servo,nick-thompson/servo,sadmansk/servo,pgonda/servo,meh/servo,mrobinson/servo,michaelwu/servo,evilpie/servo,luniv/servo,zhangjunlei26/servo,shrenikgala/servo,meh/servo,brson/servo,caldwell/servo,snf/servo,nerith/servo,juzer10/servo,wartman4404/servo,mukilan/servo,szeged/servo,zhangjunlei26/servo,eddyb/servo,boghison/servo,rentongzhang/servo,jdramani/servo,snf/servo,steveklabnik/servo,nick-thompson/servo,g-k/servo,nnethercote/servo,kindersung/servo,canaltinova/servo,notriddle/servo,meh/servo,s142857/servo,mt2d2/servo,saratang/servo,tempbottle/servo,vks/servo,dmarcos/servo,seanmonstar/servo,luniv/servo,brendandahl/servo,WriterOfAlicrow/servo,zentner-kyle/servo,mdibaiee/servo,fiji-flo/servo,paulrouget/servo,juzer10/servo,KiChjang/servo,sadmansk/servo,s142857/servo,ruud-v-a/servo,mrobinson/servo,mdibaiee/servo,rnestler/servo,rixrix/servo,cbrewster/servo,codemac/servo,larsbergstrom/servo,tafia/servo,mbrubeck/servo,saneyuki/servo,pyecs/servo,deokjinkim/servo,jimberlage/servo,caldwell/servo,KiChjang/servo,pcwalton/servo,bjwbell/servo,szeged/servo,boghison/servo,wartman4404/servo