Running examples in ‘socialmixr-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: get_survey
> ### Title: Get a survey, either from its Zenodo repository, a set of files,
> ###   or a survey variable
> ### Aliases: get_survey
> 
> ### ** Examples
> 
> list_surveys()
   id       date                                                          title
1:  1 2018-09-05                                     Social contact data for UK
2:  2 2017-11-07                                    POLYMOD social contact data
3:  3 2018-06-14                                Social contact data for Vietnam
4:  4 2017-12-07                                   Peruvian social contact data
5:  5 2018-01-23                                     France social contact data
6:  6 2017-12-22                                   Zimbabwe social contact data
7:  7 2019-01-24 Social contact data for Zambia and South Africa (CODA dataset)
8:  8 2018-02-05                              Social contact data for Hong Kong
               creator                                    url
1: Albert Jan van Hoek https://doi.org/10.5281/zenodo.1409506
2:        Joël Mossong https://doi.org/10.5281/zenodo.1043437
3:         Horby Peter https://doi.org/10.5281/zenodo.1289473
4:  Carlos G. Grijalva https://doi.org/10.5281/zenodo.1095664
5:    Guillaume Béraud https://doi.org/10.5281/zenodo.1157918
6:    Alessia Melegaro https://doi.org/10.5281/zenodo.1127693
7:       Peter J. Dodd https://doi.org/10.5281/zenodo.2548692
8:        Kathy  Leung https://doi.org/10.5281/zenodo.1165561
> peru_survey <- get_survey(1)
Getting Social contact data for UK.
Downloading https://zenodo.org/api/files/b899c0fc-6c6c-48c8-a604-456164d91c54/2013_VanHoek_UK_contact_common.csv
Downloading https://zenodo.org/api/files/b899c0fc-6c6c-48c8-a604-456164d91c54/2013_VanHoek_UK_contact_extra.csv
Error in curl_download(x, temp) : HTTP error 500.
Calls: get_survey -> vapply -> FUN -> curl_download
Execution halted