this derivation will be built:
  /nix/store/y91hnv74zbcmsq539y4kyfjbgf3claa2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/y91hnv74zbcmsq539y4kyfjbgf3claa2-bcachefs-module-7.0.0-31-generic.drv'...