--- re-building ‘accessibility.Rmd’ using rmarkdown

processing vignette 'accessibility.Rmd' failed with diagnostics:

processing vignette 'detailed_itineraries.Rmd' failed with diagnostics:

processing vignette 'fare_structure.Rmd' failed with diagnostics:

processing vignette 'isochrones.Rmd' failed with diagnostics:

processing vignette 'pareto_frontier.Rmd' failed with diagnostics:

processing vignette 'r5r.Rmd' failed with diagnostics:

processing vignette 'time_window.Rmd' failed with diagnostics:

processing vignette 'travel_time_matrix.Rmd' failed with diagnostics:

Vignette re-building failed.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-java@v1, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/