this derivation will be built:
  /nix/store/lma26dg27lz2br5yjqivsv4b6l01zip5-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/lma26dg27lz2br5yjqivsv4b6l01zip5-bcachefs-module-7.0.0-29-generic.drv'...