this derivation will be built:
  /nix/store/kn4m1vfnw1lil4zgaavq2hl365w0mgdj-nix-shell.drv
these 5 paths will be fetched (0.0 KiB download, 4.4 KiB unpacked):
  /nix/store/p6rcb6jkif8vqr1wn8yxfp4fyshcd38z-apply
  /nix/store/zkkzg5s21y007pyx22nzmms36841z8aa-destroy
  /nix/store/wlqwfiqjx9wq7s0fzzrmsiilx50vzfwr-init
  /nix/store/xjh9rw1ixhbw5k8kg615jhikkbqrfm3d-plan
  /nix/store/kn822hfvb4x94wrccvdpd57jwajfjxdl-tofu