these 2 derivations will be built:
  /nix/store/zwvwf2m8qvar3xvb5z2na2jrjahbpqm8-nix-unit-2.35.1.drv
  /nix/store/lq1yj8h9qk3mfz7lajh1brbs3fxnj9fi-nix-unit-check.drv