this derivation will be built:
  /nix/store/fm9rmh0fsr04ql2gpn4sad2wy124jnhv-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/fm9rmh0fsr04ql2gpn4sad2wy124jnhv-bcachefs-module-7.0.0-14-generic.drv'...