bug#57303: powerpc64le: rust build failure is bottleneck for many packages

[Marcel van der Boom]

[Efraim Flashner]:
> > Is anyone familiar with this working on rust on powerpc64 for 
> > the
> > powerpc64le-linux system?

> About 2 months ago I spent some time and got the rust bootstrap 
> working
> for riscv64-linux. I would suggest looking at the staging branch 
> since
> there the rust bootstrap version is at 1.54.

Ah, I didn't even think of that, thanks! Will try that.