this derivation will be built:
  /nix/store/fv2pxv2fj5xharjmwjn4xd9b23j4qpr2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/fv2pxv2fj5xharjmwjn4xd9b23j4qpr2-bcachefs-module-7.0.0-29-generic.drv'...