Function execute_fastcgi_with_environment_variables

async fn execute_fastcgi_with_environment_variables(
    request: RequestData,
    socket_data: &SocketData,
    error_logger: &ErrorLogger,
    wwwroot: &Path,
    execute_pathbuf: PathBuf,
    path_info: Option<String>,
    server_administrator_email: Option<&str>,
    fastcgi_to: &str,
) -> Result<ResponseData, Box<dyn Error + Send + Sync>>