these 3 derivations will be built:
  /nix/store/hfljxa0y6p1bb8sk6g9j80i3vpk81rzq-droid.drv
  /nix/store/wkvwb7vabqgkbjr77c9i1f4a7qg9bhm9-droid-0.224.1.drv
  /nix/store/vw35irbhsji7qkxgxcpymfwxc2rwhrnb-check-droid.drv