this derivation will be built:
  /nix/store/lxk181l7mr48alsr3h3rq4zl5vn8cdm6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/lxk181l7mr48alsr3h3rq4zl5vn8cdm6-bcachefs-module-7.0.0-29-generic.drv'...