Comment # 11 on bug 1112817 from Frank Kruger

(In reply to Luke Jones from comment #9)
> > Was rust and cargo in the past switching version in the same pace. So rust 1.26 > and cargo 0.27 or something?
> >
> > In any case the Firefox configure check expects this:
> > 
> >     rustc_min_version = Version('1.28.0')
> >     cargo_min_version = rustc_min_version
> > 
> > So I expect we need cargo 1.28 at least as well.
> 
> This is correct. The Rust spec now builds all included tools [cargo,
> rustfmt, rls, clippy, analysis]. Cargo should have the version changed to
> 1.30.0, so maybe if you set the minimum version to that for cargo it could
> help?
> 
> ** Just checked, I think we need to delete existing cargo from all releases
> to resolve this. I'm unsure what else I can do to help the situation.
> 
> Is there something like an: Obsoletes: cargo <= 0.28? Would that work?
> 
> It's been tough getting this sorted as it takes 6-12 hours to build Rust on
> the available hardware.

I appreciate your efforts! Do you expect any improvements regarding build time
in the future? Thx.