this derivation will be built:
  /nix/store/7271rrnpz0555fnx9lm6gq5182mhzmzc-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/7271rrnpz0555fnx9lm6gq5182mhzmzc-bcachefs-module-7.0.0-38-generic.drv'...