this derivation will be built:
  /nix/store/dk1z23cqdmn17arxqjwvsdvf9i34lvgd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dk1z23cqdmn17arxqjwvsdvf9i34lvgd-bcachefs-module-7.0.0-39-generic.drv'...