this derivation will be built:
  /nix/store/v3z3yykxwg3n6ca9i4v178pskvq8drmg-niks3-pkcs11-signer-0.1.0.drv
this path will be fetched (430.8 KiB download, 1.6 MiB unpacked):
  /nix/store/n1l6qhgg6hjpr45xjgpyj0dq26xyd6r8-softhsm-2.7.0