Reproduce as in 'build a tiny kernel in something' or reproduce as in 'build and run this example?'

If it's the first, OSDev has a great community, and some decent tutorials: http://wiki.osdev.org/Bare_Bones

If it's the second, the answer is 'have edge Rust installed, have qemu installed, then run `make`.'

I wrote an example/tutorial (targeted in C though, not rust) a few years back which may have some of what you're looking for:

http://adelaideos.sourceforge.net