Error(s) in re-building vignettes:
  ...
--- re-building ‘helsinki_tutorial.Rmd’ using rmarkdown

helsinki R package: tools for open data from Helsinki, Finland capital region.
This R package is part of rOpenGov <ropengov.org>.
Copyright (C) 2010-2021 Juuso Parkkinen, Joona Lehtomaki, Pyry Kantanen, Leo Lahti.
This is free software. You are free to use, modify and redistribute it under the FreeBSD license.
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?request=GetCapabilities
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=vesihuolto%3AHSY_vesipostit_2014
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=asuminen_ja_maankaytto%3AVaestotietoruudukko_2018
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=asuminen_ja_maankaytto%3ARakennustietoruudukko_2016_2
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
Source: Helsinki Linked Events API v1. Developed by the City of Helsinki 
  Open Software Development team. Event data from Helsinki Marketing,
  Helsinki Cultural Centres, Helmet metropolitan area public libraries and
  City of Helsinki registry of service unit. 
  CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
Warning in CPL_read_ogr(dsn, layer, query, as.character(options), quiet,  :
  GDAL Error 1: Failed to connect to kartta.hel.fi port 443: Connection timed out
Quitting from lines 174-187 (helsinki_tutorial.Rmd) 
Error: processing vignette 'helsinki_tutorial.Rmd' failed with diagnostics:
Cannot open "https://kartta.hel.fi/ws/geoserver/avoindata/wfs?service=wfs&version=1.1.0&request=GetFeature&typeName=avoindata%3ASeutukartta_aluejako_suuralue&srsName=EPSG%3A3879&outputFormat=GML2"; The file doesn't seem to exist.
--- failed re-building ‘helsinki_tutorial.Rmd’

SUMMARY: processing the following file failed:
  ‘helsinki_tutorial.Rmd’

Error: Vignette re-building failed.
Execution halted