Bug#1051051: bullseye-pu: package rustc-mozilla/1.63.0+dfsg1-2~deb11u1

[Emilio Pozuelo Monfort <pochu@debian.org>]

Hi,

On Fri, 01 Sep 2023 18:50:53 +0200 Emilio Pozuelo Monfort <pochu@debian.org> wrote:
> Package: release.debian.org
> Severity: normal
> Tags: bullseye
> User: release.debian.org@packages.debian.org
> Usertags: pu
> X-Debbugs-Cc: team+pkg-mozilla@tracker.debian.org
>
> Hi,
>
> The time has come for a new Firefox / Thunderbird ESR release in *stable.
> This will require rustc/cargo/cbindgen backports as usual. For bookworm
> we're in a good shape for this update, but for bullseye and buster we'll
> need all three updates.
>
> For rustc-mozilla, I've used the version from bookworm. Hopefully I got
> all the stage0 binaries this time.
>
> Risk is low as this package is only used to build FF/TB. I have
> successfully built the whole chain up to FF 115 ESR on amd64.
>
> I'm attaching a diff from rustc_1.63/bookworm to the proposed update. I don't think there's much value in a 1.59->1.63 diff, but if you want it say so and I'll prepare one.

I have just uploaded this to pu-new. I'd be great to get it accepted so that it 
can be built and I can propose/upload cargo-mozilla and cbindgen, all before Sep 
26 when the next round of updates will go out, requiring the newer toolchain 
packages.

Thanks,
Emilio