this derivation will be built:
  /nix/store/mrm63xdgjabxgs6hvska0y5vixnwf4xl-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/mrm63xdgjabxgs6hvska0y5vixnwf4xl-bcachefs-module-7.0.0-30-generic.drv'...