this derivation will be built:
  /nix/store/40lvbbyab4zsj9qqqf1jds90w0jxkjb2-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/40lvbbyab4zsj9qqqf1jds90w0jxkjb2-bcachefs-module-7.0.0-30-generic.drv'...