After following the examples I still was running into compilation errors because of these missing files
Scrt1.o: and crti.o`

It seemed I was missing g++ so I had to run the following apt-get

sudo apt-get install g++-arm-linux-gnueabihf

now you should be able to see the files in the right place with

find /usr -name crt1.o

xargo CI is failing with a strange ICE:

thread 'rustc' panicked at 'failed to lookup `SourceFile` in new context', src/librustc_middle/ty/query/on_disk_cache.rs:456:17

note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

note: the compiler unexpect

Is there a description somewhere, in the rust docs, rfc, something..? that explains what exactly is necessary to do a cross build, or do I have to reverse engineer sysroot.rs?

Right not it can take an easy 15s, seems like a long time, we can just remove the directory and its contents.

the micro image currently doesn't have enough free space to boot (currently an extra 20MB of space is given to it). possible solutions:

1. figure out what's taking up so much space at boot and minimize it (hardest)
2. make the boot-resizing process take up less space in extra utils (harder)
3. load a mini image and see how much extra space it takes up compared to how much it started with, u