protected function logHTTPResponse(HarbormasterBuild $build, HarbormasterBuildTarget $build_target, BaseHTTPFuture $future, $label)
 {
     list($status, $body, $headers) = $future->resolve();
     $header_lines = array();
     // TODO: We don't currently preserve the entire "HTTP" response header, but
     // should. Once we do, reproduce it here faithfully.
     $status_code = $status->getStatusCode();
     $header_lines[] = "HTTP {$status_code}";
     foreach ($headers as $header) {
         list($head, $tail) = $header;
         $header_lines[] = "{$head}: {$tail}";
     }
     $header_lines = implode("\n", $header_lines);
     $build_target->newLog($label, 'http.head')->append($header_lines);
     $build_target->newLog($label, 'http.body')->append($body);
 }