There is a problem in the way pkgsStatic is constructed, causing our -march argument to be missed, leading to binaries that fail to run. This affects only security wrappers so far (mount, sudo, ...) but it will likely affect any pkgsStatic binary.
NixOS on RISC-V
To boot the system in QEMU, first enter the development shell:
$ nix develop
Then run the boot script:
$ ./boot.sh
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