these 6 derivations will be built:
  /nix/store/gfv67aqjv2r5zcrx8brfg7bvfvssqlb6-tofu.drv
  /nix/store/347j6ppsqld42f1g6czpaz7j43m8p8wk-destroy.drv
  /nix/store/bp084qk1v3442qva4zrzy3zqz2fdgqqi-apply.drv
  /nix/store/iq7hj0yb725g2n5iflya6pl343n4bp97-init.drv
  /nix/store/q38k7bxs32mbdxkrck66spcal699lvb8-plan.drv
  /nix/store/z2pqdfk9ks2n0nikzwqwfcwnq0ys95gl-nix-shell.drv