this derivation will be built:
  /nix/store/5i9y3k1f6gd6w2vivkapd9vsdiwwdazh-nix-shell.drv
this path will be fetched (0.0 KiB download, 13.8 MiB unpacked):
  /nix/store/i74ivgnb0k07v3jxwxzv69p1jf8jwc67-openspec-1.16.0