clever: no dice:
```
error: a 'armv6l-linux' with features {} is required to build '/nix/store/aajwarn2piy9nnv0liq78kzkg9r6bazf-bootstrap-tools.drv', but I am a 'aarch64-linux' with features {benchmark, big-parallel, gccarch-armv8-a, kvm, nixos-test}
```