this derivation will be built:
  /nix/store/d380j9agksvvb3wznfbg4hflg3v5rnz7-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/d380j9agksvvb3wznfbg4hflg3v5rnz7-bcachefs-module-7.0.0-31-generic.drv'...