this derivation will be built:
  /nix/store/hwc6gpnggvmawy1dm9rczxglz6z9hp6g-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hwc6gpnggvmawy1dm9rczxglz6z9hp6g-bcachefs-module-7.0.0-39-generic.drv'...