net/http.transportRequest.err (field)

4 uses

	net/http (current package)
		transport.go#L461: 	err error      // first setError value for mapRoundTripError to consider
		transport.go#L473: 	if tr.err == nil {
		transport.go#L474: 		tr.err = err
		transport.go#L2026: 	reqErr := req.err