this derivation will be built:
  /nix/store/ajzbfb9hnp9ws73cdhklxcanqz2ai5hn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ajzbfb9hnp9ws73cdhklxcanqz2ai5hn-bcachefs-module-7.0.0-31-generic.drv'...