these 2 derivations will be built:
  /nix/store/83f7qilrg455gbrgs3si1gnsg7v7vzkc-nixos-test-driver-pg_hashids.drv
  /nix/store/k2irjnc7xmdxwr29638qa34ql8q8d0p7-vm-test-run-pg_hashids.drv