I'm currently trying to install the rust-bin package an an armv6hf VM I have up & running, but it's taking a while, so so far this is un-tested "natively".Thank you. Are you using an armv6 kernel? I'm surprised it's possible to virtualize.
I'm not familiar with the detailed differences between earmv6 and earmv7, but I haven't heard of anything like the issues with missing instructions when trying to run earmv4 / earmv5 on earmv7.
While I hope the virtualization matches real earmv6 hardware, I'd be happy to test rust and rust-built executables on a real earmv6hf system.
John