this derivation will be built:
  /nix/store/mfcsnk7xnbmn3z4clnxzpvcmdfa5znwv-nix-shell.drv
these 5 paths will be fetched (0.0 KiB download, 4.4 KiB unpacked):
  /nix/store/x57sq7444j7bvdn4hphb9xvjq4ixdqkg-apply
  /nix/store/gssallz1kkx3al0nyik88mf8c2xcvinz-destroy
  /nix/store/vcpk2xkblfh2pri8s4qvzs2h79pcklqs-init
  /nix/store/xyd3s3j0f8q21yyx4ly2i8s1j3bby9i2-plan
  /nix/store/scw3ccyq2jghhhf9slhsr207rsflfyji-tofu