this derivation will be built:
  /nix/store/40za7y3wd61w5mfb3bnxsdbqqyqqr91s-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/40za7y3wd61w5mfb3bnxsdbqqyqqr91s-bcachefs-module-7.0.0-30-generic.drv'...