auto merge of #3875 : cgaebel/servo/remove-static-constraint-on-smallvec, r=jdm
auto merge of #3875 : cgaebel/servo/remove-static-constraint-on-smallvec, r=jdm

It was likely added accidentally after a rustc upgrade.

r? @jdm

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