this derivation will be built:
  /nix/store/77h2gsdd7n8qx2b99nrxda1nm7fr2q5g-niks3-pkcs11-signer-0.1.0.drv
this path will be fetched (430.8 KiB download, 1.6 MiB unpacked):
  /nix/store/rrs9as1myrv5cdzjlx0wlhn55l3pk3gp-softhsm-2.7.0