this derivation will be built:
  /nix/store/vhpvgq4krzkawwi99sls9dsvd65nwq6f-nix-shell.drv
this path will be fetched (2.0 MiB download, 4.9 MiB unpacked):
  /nix/store/7rlrjsbixm61xsx5f1lgikf76b62zcyc-just-1.58.0