this derivation will be built:
  /nix/store/d31yw5m0b6l2kn8855h5502nrq37wd12-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/d31yw5m0b6l2kn8855h5502nrq37wd12-bcachefs-module-7.0.0-34-generic.drv'...