this derivation will be built:
  /nix/store/07jp52n1drq7c7sqss15cxx8ipmadhjg-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/07jp52n1drq7c7sqss15cxx8ipmadhjg-bcachefs-module-7.0.0-31-generic.drv'...