this derivation will be built:
  /nix/store/aqml7y47j4wj812vfn7sniycn1gixqw2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/aqml7y47j4wj812vfn7sniycn1gixqw2-bcachefs-module-7.0.0-31-generic.drv'...