Set up Rust and try to build probe-rs under qemu

do_not_run.sh

sudo qemu-debootstrap --arch=mipsel --keyring /usr/share/keyrings/debian-archive-keyring.gpg \
  --variant=buildd --exclude=debfoster unstable debian-mipsel http://ftp.debian.org/debian
sudo apt install qemu binfmt-support qemu-user-static
sudo cp /usr/bin/qemu-mipsel-static debian-mipsel/usr/bin/
cd debian-mipsel
for f in dev dev/pts sys proc run ; do sudo mount --bind /$f ./$f ; done
sudo chroot .
apt update

apt install dialog locales

apt install curl vim pkgconfig git sed

apt install libudev-dev

adduser debian
mkdir /home/debian/.cargo
# regular filesystem is cursed, need tmpfs or git hates us
mount -t tmpfs tmpfs /home/debian/.cargo
mount -t tmpfs tmpfs /home/debian/vc

su - debian

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh
# hack in _cputype=mipsel somewhere after the call to get_endianness() since that fails
./rustup.sh

source $HOME/.cargo/env
cd ~/vc
git clone https://github.com/probe-rs/probe-rs
cd probe-rs
cargo build  --bin probe-rs-cli