Add the -s flag to the suggested rustup invocation
Add the -s flag to the suggested rustup invocation

curl's progress meter would otherwise interfere with sudo's password prompt.

In addition, add the -f flag to make sure 4xx status codes are treated as errors.

kwantam/rust,gifnksm/rust,krzysz00/rust,GBGamer/rust,cllns/rust,KokaKiwi/rust,jashank/rust,TheNeikos/rust,kwantam/rust,miniupnp/rust,mdinger/rust,l0kod/rust,XMPPwocky/rust,victorvde/rust,jroesch/rust,seanrivera/rust,jroesch/rust,gifnksm/rust,jroesch/rust,KokaKiwi/rust,XMPPwocky/rust,carols10cents/rust,robertg/rust,miniupnp/rust,ruud-v-a/rust,avdi/rust,TheNeikos/rust,carols10cents/rust,kwantam/rust,aneeshusa/rust,seanrivera/rust,kwantam/rust,TheNeikos/rust,GBGamer/rust,seanrivera/rust,GBGamer/rust,aneeshusa/rust,aneeshusa/rust,krzysz00/rust,mihneadb/rust,cllns/rust,zubron/rust,TheNeikos/rust,philyoon/rust,ruud-v-a/rust,victorvde/rust,GBGamer/rust,carols10cents/rust,ejjeong/rust,avdi/rust,miniupnp/rust,miniupnp/rust,ruud-v-a/rust,jroesch/rust,dwillmer/rust,zubron/rust,XMPPwocky/rust,reem/rust,mdinger/rust,pshc/rust,nwin/rust,l0kod/rust,rohitjoshi/rust,miniupnp/rust,zachwick/rust,andars/rust,jroesch/rust,ruud-v-a/rust,miniupnp/rust,omasanori/rust,robertg/rust,mvdnes/rust,krzysz00/rust,zachwick/rust,krzysz00/rust,rohitjoshi/rust,aneeshusa/rust,mdinger/rust,victorvde/rust,graydon/rust,graydon/rust,mihneadb/rust,pshc/rust,rohitjoshi/rust,mdinger/rust,XMPPwocky/rust,seanrivera/rust,avdi/rust,graydon/rust,miniupnp/rust,victorvde/rust,nwin/rust,mdinger/rust,aepsil0n/rust,ejjeong/rust,mvdnes/rust,zaeleus/rust,KokaKiwi/rust,jashank/rust,omasanori/rust,l0kod/rust,jroesch/rust,dwillmer/rust,zaeleus/rust,seanrivera/rust,miniupnp/rust,vhbit/rust,aepsil0n/rust,zubron/rust,graydon/rust,vhbit/rust,philyoon/rust,KokaKiwi/rust,vhbit/rust,robertg/rust,andars/rust,aidancully/rust,omasanori/rust,nwin/rust,sae-bom/rust,ebfull/rust,jroesch/rust,pelmers/rust,robertg/rust,krzysz00/rust,omasanori/rust,aidancully/rust,rohitjoshi/rust,dwillmer/rust,dwillmer/rust,zubron/rust,cllns/rust,zubron/rust,zachwick/rust,jashank/rust,vhbit/rust,omasanori/rust,mihneadb/rust,philyoon/rust,aneeshusa/rust,reem/rust,l0kod/rust,aepsil0n/rust,kwantam/rust,mihneadb/rust,zaeleus/rust,KokaKiwi/rust,aepsil0n/rust,mvdnes/rust,sae-bom/rust,mihneadb/rust,nwin/rust,andars/rust,kwantam/rust,seanrivera/rust,gifnksm/rust,zaeleus/rust,reem/rust,mihneadb/rust,ruud-v-a/rust,KokaKiwi/rust,GBGamer/rust,aneeshusa/rust,TheNeikos/rust,dwillmer/rust,avdi/rust,mvdnes/rust,zubron/rust,krzysz00/rust,avdi/rust,ejjeong/rust,pshc/rust,gifnksm/rust,mvdnes/rust,l0kod/rust,sae-bom/rust,jashank/rust,aepsil0n/rust,zachwick/rust,mvdnes/rust,philyoon/rust,robertg/rust,dwillmer/rust,XMPPwocky/rust,pshc/rust,aidancully/rust,nwin/rust,pelmers/rust,robertg/rust,avdi/rust,ebfull/rust,andars/rust,nwin/rust,pelmers/rust,zaeleus/rust,zubron/rust,GBGamer/rust,vhbit/rust,sae-bom/rust,cllns/rust,andars/rust,ebfull/rust,reem/rust,GBGamer/rust,gifnksm/rust,XMPPwocky/rust,jashank/rust,graydon/rust,pshc/rust,zachwick/rust,l0kod/rust,l0kod/rust,ruud-v-a/rust,andars/rust,mdinger/rust,ebfull/rust,aepsil0n/rust,nwin/rust,rohitjoshi/rust,dwillmer/rust,l0kod/rust,aidancully/rust,victorvde/rust,philyoon/rust,jashank/rust,ebfull/rust,pelmers/rust,carols10cents/rust,rohitjoshi/rust,dwillmer/rust,pshc/rust,jashank/rust,sae-bom/rust,aidancully/rust,graydon/rust,jroesch/rust,vhbit/rust,nwin/rust,vhbit/rust,GBGamer/rust,zaeleus/rust,reem/rust,cllns/rust,vhbit/rust,pelmers/rust,victorvde/rust,ejjeong/rust,zubron/rust,cllns/rust,ejjeong/rust,aidancully/rust,carols10cents/rust,pshc/rust,reem/rust,pshc/rust,gifnksm/rust,omasanori/rust,jashank/rust,philyoon/rust,ebfull/rust,zachwick/rust,pelmers/rust,ejjeong/rust,TheNeikos/rust,sae-bom/rust,carols10cents/rust