Disable network tests

Forwarded: TODO

Gbp-Pq: Topic cargo
Gbp-Pq: Name c-2002_disable-net-tests.patch

rustc (1.78.0+dfsg1-2) unstable; urgency=medium

  * unbreak loongson64 build

[dgit import unpatched rustc 1.78.0+dfsg1-2]

Import rustc_1.78.0+dfsg1-2.debian.tar.xz

[dgit import tarball rustc 1.78.0+dfsg1-2 rustc_1.78.0+dfsg1-2.debian.tar.xz]

Import rustc_1.78.0+dfsg1.orig.tar.xz

[dgit import orig rustc_1.78.0+dfsg1.orig.tar.xz]