this derivation will be built:
  /nix/store/3wxqf5icxd4hqbpqh1q3s6jyai9i06ab-nix-shell.drv
these 5 paths will be fetched (0.0 KiB download, 4.4 KiB unpacked):
  /nix/store/llvdlaqfxsxh5qm7l7nbp176n95cnq7j-apply
  /nix/store/4jxvf7xh32hlgasgk0snvilj3vwxjxh5-destroy
  /nix/store/5s56implrxkkh2k2f7c8mhsxaxic9hlw-init
  /nix/store/n5z9bg0s7fd3754ipv9pb35iygl3i7wn-plan
  /nix/store/w3682sn7zdf2i7h9m2lmvzk1pa351i6c-tofu