this derivation will be built:
  /nix/store/z5g118qja0awir5d54lz4wv36sgvsjan-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/z5g118qja0awir5d54lz4wv36sgvsjan-bcachefs-module-7.0.0-28-generic.drv'...