this derivation will be built:
  /nix/store/i5bg09v89i1glr6aq947rl5gwbg9pi71-nix-shell.drv
this path will be fetched (2.1 MiB download, 5.5 MiB unpacked):
  /nix/store/6byz8zyiqvnj7kn3kadfdks3if6sb37k-just-1.58.0