this derivation will be built:
  /nix/store/a3nar7v9aqijp01y5rdl1d2whf421dgg-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/a3nar7v9aqijp01y5rdl1d2whf421dgg-bcachefs-module-7.0.0-27-generic.drv'...