this derivation will be built:
  /nix/store/96cr5br8dyvq42017fa7yqha5byvhcls-nix-shell.drv
this path will be fetched (2.2 MiB download, 5.9 MiB unpacked):
  /nix/store/9m07v30f7xk2v8xmk4dw517shcvlil0r-just-1.58.0