this derivation will be built:
  /nix/store/r47yy2lbskizw9w93lir0hb3dszrqc42-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/r47yy2lbskizw9w93lir0hb3dszrqc42-bcachefs-module-7.0.0-29-generic.drv'...