this derivation will be built:
  /nix/store/04wbv3h681rm71v5ab7al7sp47zk03x5-niks3-pkcs11-signer-0.1.0.drv
this path will be fetched (430.8 KiB download, 1.6 MiB unpacked):
  /nix/store/jdix9q5pp0hv1qpbz6cm3835k7pal3h5-softhsm-2.7.0