this derivation will be built:
  /nix/store/z6v348f313nb96dflny131kbjkr8kww5-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/z6v348f313nb96dflny131kbjkr8kww5-bcachefs-module-7.0.0-29-generic.drv'...