Auto merge of #18795 - servo:jdm-patch-2, r=nox
Auto merge of #18795 - servo:jdm-patch-2, r=nox

Make update_manifest.sh more verbose.

This is an attempt to figure out why https://github.com/servo/servo/issues/17450 occurs.

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