✔ Setting active project to '/mdpkg'
✔ Adding '^_pkgdown\\.yml$', '^docs$', '^pkgdown$' to '.Rbuildignore'
✔ Adding 'docs' to '.gitignore'
✔ Writing '_pkgdown.yml'
• Modify '_pkgdown.yml'
sh: 1: vi: not found
Warning message:
error in running command 

url: ~
template:
  bootstrap: 5

-- Installing package into temporary library -----------------------------------
== Building pkgdown site =======================================================
Reading from: '/mdpkg'
Writing to:   '/mdpkg/docs'
-- Initialising site -----------------------------------------------------------
Copying '../usr/local/lib/R/site-library/pkgdown/BS5/assets/link.svg' to 'link.svg'
Copying '../usr/local/lib/R/site-library/pkgdown/BS5/assets/pkgdown.js' to 'pkgdown.js'
-- Building home ---------------------------------------------------------------
Writing 'authors.html'
Writing '404.html'
-- Building function reference -------------------------------------------------
Writing 'reference/index.html'
Reading 'man/hello.Rd'
Writing 'reference/hello.html'
-- Building articles -----------------------------------------------------------
Writing 'articles/index.html'
Reading 'vignettes/vign.Rmd'
-- RMarkdown error -------------------------------------------------------------
--------------------------------------------------------------------------------
Error: 
! in callr subprocess.
Caused by error in `map(.x, .f, ..., .progress = .progress)`:
! In index: 1.
ℹ See `$stdout` for standard output.
Type .Last.error to see the more details.

<callr_error/rlib_error_3_0/rlib_error/error>
Error: 
! in callr subprocess.
Caused by error in `map(.x, .f, ..., .progress = .progress)`:
! In index: 1.
ℹ See `$stdout` for standard output.
---
Backtrace:
1. pkgdown::build_site()
2. pkgdown:::build_site_external(pkg = pkg, examples = examples, run_dont_run = run_dont_run, …
3. callr::r(function(..., cli_colors, pkgdown_internet) { …
4. callr:::get_result(output = out, options)
5. callr:::throw(callr_remote_error(remerr, output), parent = fix_msg(remerr[[3]]))
---
Subprocess backtrace:
 1. pkgdown::build_site(...)
 2. pkgdown:::build_site_local(pkg = pkg, examples = examples, run_dont_run = run_dont_run, …
 3. pkgdown::build_articles(pkg, lazy = lazy, override = override, preview = FALSE)
 4. purrr::walk(pkg$vignettes$name, build_article, pkg = pkg, quiet = quiet, …
 5. purrr::map(.x, .f, ..., .progress = .progress)
 6. purrr:::map_("list", .x, .f, ..., .progress = .progress)
 7. purrr:::with_indexed_errors(i = i, names = names, error_call = .purrr_error_call, …
 8. base::withCallingHandlers(expr, error = function(cnd) { …
 9. purrr:::call_with_cleanup(map_impl, environment(), .type, .progress, …
10. local .f(.x[[i]], ...)
11. pkgdown:::render_rmarkdown(pkg, input = input, output = output_file, output_format = format, …
12. base::tryCatch(callr::r_safe(function(...) rmarkdown::render(...), …
13. base::tryCatchList(expr, classes, parentenv, handlers)
14. base::tryCatchOne(expr, names, parentenv, handlers[[1L]])
15. value[[3L]](cond)
16. rlang::abort("Failed to render RMarkdown", parent = cnd)
17. | rlang:::signal_abort(cnd, .file)
18. | base::signalCondition(cnd)
19. (function (cnd) …
20. cli::cli_abort(message, location = i, name = name, parent = cnd, …
21. | rlang::abort(message, ..., call = call, use_cli_format = TRUE, …
22. | rlang:::signal_abort(cnd, .file)
23. | base::signalCondition(cnd)
24. global (function (e) …

R version 4.3.2 (2023-10-31)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux trixie/sid

Matrix products: default
BLAS:   /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.11.0 
LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.11.0

locale:
 [1] LC_CTYPE=C.UTF-8       LC_NUMERIC=C           LC_TIME=C.UTF-8       
 [4] LC_COLLATE=C.UTF-8     LC_MONETARY=C.UTF-8    LC_MESSAGES=C.UTF-8   
 [7] LC_PAPER=C.UTF-8       LC_NAME=C              LC_ADDRESS=C          
[10] LC_TELEPHONE=C         LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C   

time zone: Etc/UTC
tzcode source: system (glibc)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
 [1] vctrs_0.6.5     cli_3.6.1       knitr_1.45      rlang_1.1.2    
 [5] xfun_0.41       processx_3.8.2  purrr_1.0.2     glue_1.6.2     
 [9] rprojroot_2.0.4 htmltools_0.5.7 ps_1.7.5        fansi_1.0.5    
[13] rmarkdown_2.25  evaluate_0.23   tibble_3.2.1    fastmap_1.1.1  
[17] yaml_2.3.7      lifecycle_1.0.4 memoise_2.0.1   compiler_4.3.2 
[21] fs_1.6.3        pkgconfig_2.0.3 digest_0.6.33   R6_2.5.1       
[25] utf8_1.2.4      pillar_1.9.0    callr_3.7.3     magrittr_2.0.3 
[29] tools_4.3.2     withr_2.5.2     pkgdown_2.0.7   cachem_1.0.8   
[33] desc_1.4.2