Fetch "alt" rust std build when we do so for rustc
Fetch "alt" rust std build when we do so for rustc

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