- using R version 4.6.1 (2026-06-24)
- using platform: x86_64-pc-linux-gnu
- R was compiled by
gcc-16 (Debian 16.2.0-1) 16.2.0
GNU Fortran (Debian 16.2.0-1) 16.2.0
- running under: Debian GNU/Linux forky/sid
- using session charset: UTF-8
* current time: 2026-09-19 23:17:24 UTC
- checking for file ‘usedthese/DESCRIPTION’ ... OK
- checking extension type ... Package
- this is package ‘usedthese’ version ‘0.5.0’
- package encoding: UTF-8
- checking package namespace information ... OK
- checking package dependencies ... OK
- checking if this is a source package ... OK
- checking if there is a namespace ... OK
- checking for executable files ... OK
- checking for hidden files and directories ... OK
- checking for portable file names ... OK
- checking for sufficient/correct file permissions ... OK
- checking whether package ‘usedthese’ can be installed ... OK
See the install log for details.
- checking package directory ... OK
- checking for future file timestamps ... OK
- checking ‘build’ directory ... OK
- checking DESCRIPTION meta-information ... OK
- checking top-level files ... OK
- checking for left-over files ... OK
- checking index information ... OK
- checking package subdirectories ... OK
- checking code files for non-ASCII characters ... OK
- checking R files for syntax errors ... OK
- checking whether the package can be loaded ... [2s/3s] OK
- checking whether the package can be loaded with stated dependencies ... [2s/2s] OK
- checking whether the package can be unloaded cleanly ... [2s/2s] OK
- checking whether the namespace can be loaded with stated dependencies ... [2s/2s] OK
- checking whether the namespace can be unloaded cleanly ... [2s/3s] OK
- checking loading without being on the library search path ... [2s/2s] OK
- checking use of S3 registration ... OK
- checking dependencies in R code ... OK
- checking S3 generic/method consistency ... OK
- checking replacement functions ... OK
- checking foreign function calls ... OK
- checking R code for possible problems ... [9s/12s] OK
- checking Rd files ... [0s/1s] OK
- checking Rd metadata ... OK
- checking Rd line widths ... OK
- checking Rd cross-references ... OK
- checking for missing documentation entries ... OK
- checking for code/documentation mismatches ... OK
- checking Rd \usage sections ... OK
- checking Rd contents ... OK
- checking for unstated dependencies in examples ... OK
- checking installed files from ‘inst/doc’ ... OK
- checking files in ‘vignettes’ ... OK
- checking examples ... [3s/4s] OK
- checking for unstated dependencies in ‘tests’ ... OK
- checking tests ... [7s/10s] OK
Running ‘spelling.R’ [0s/0s]
Running ‘testthat.R’ [6s/9s]
- checking for unstated dependencies in vignettes ... OK
- checking package vignettes ... OK
- checking re-building of vignette outputs ... [8s/12s] ERROR
Error(s) in re-building vignettes:
...
--- re-building ‘multipage.Rmd’ using rmarkdown
Quitting from multipage.Rmd:25-28 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/purrr_error_indexed>
Error in `map()`:
ℹ In index: 1.
Caused by error in `open.connection()`:
! cannot open the connection
---
Backtrace:
▆
1. └─usedthese::used_there("https://www.quantumjitter.com/project/")
2. └─usedthese:::extract_usage(get_links(html, url, num_links))
3. ├─tidyr::extract(...)
4. ├─tidyr::separate_longer_delim(...)
5. │ └─tidyr:::check_data_frame(data)
6. │ └─base::is.data.frame(x)
7. ├─purrr::list_rbind(...)
8. │ └─purrr:::check_list_of_data_frames(x)
9. │ └─vctrs::obj_check_list(x, call = error_call)
10. ├─purrr::list_flatten(...)
11. │ └─vctrs (local) is_node(x)
12. └─purrr::map(...)
13. └─purrr:::map_("list", .x, .f, ..., .progress = .progress)
14. ├─purrr:::with_indexed_errors(...)
15. │ └─base::withCallingHandlers(...)
16. ├─purrr:::call_with_cleanup(...)
17. └─usedthese (local) .f(.x[[i]], ...)
18. ├─dplyr::mutate(...)
19. ├─rvest::html_table(html_element(read_html(x), ".usedthese"))
20. ├─rvest::html_element(read_html(x), ".usedthese")
21. ├─xml2::read_html(x)
22. └─xml2:::read_html.default(x)
23. ├─base::suppressWarnings(...)
24. │ └─base::withCallingHandlers(...)
25. ├─xml2::read_xml(x, encoding = encoding, ..., as_html = TRUE, options = options)
26. └─xml2:::read_xml.character(...)
27. └─xml2:::read_xml.connection(...)
28. ├─base::open(x, "rb")
29. └─base::open.connection(x, "rb")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Error: processing vignette 'multipage.Rmd' failed with diagnostics:
ℹ In index: 1.
Caused by error in `open.connection()`:
! cannot open the connection
--- failed re-building ‘multipage.Rmd’
--- re-building ‘usedthese.Rmd’ using rmarkdown
[WARNING] Deprecated: --mathjax. Use --math-method=mathjax[:URL] instead.
--- finished re-building ‘usedthese.Rmd’
SUMMARY: processing the following file failed:
‘multipage.Rmd’
Error: Vignette re-building failed.
Execution halted
- checking PDF version of manual ... [4s/6s] OK
- checking HTML version of manual ... [0s/0s] OK
- checking for non-standard things in the check directory ... OK
- DONE
Status: 1 ERROR