these 3 derivations will be built:
  /nix/store/3gkq1j0gk773md9rldhmwdhcp7xjc47r-version-check-home-hook.drv
  /nix/store/4x8d6p7w76b02a70snsj74spvhrdp0gr-pi-src-with-lock.drv
  /nix/store/id7hqdf7saavszf4gg7b4vfjsxn01nmx-pi-0.85.1.drv