Error(s) in re-building vignettes:
  ...
--- re-building ‘RxODE-cmt.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-cmt.Rmd’

--- re-building ‘RxODE-covariates.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
udunits system database from /usr/local/share/udunits
--- finished re-building ‘RxODE-covariates.Rmd’

--- re-building ‘RxODE-data-frame.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
udunits system database from /usr/local/share/udunits

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

--- finished re-building ‘RxODE-data-frame.Rmd’

Segmentation Fault - core dumped
--- re-building ‘RxODE-events.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.

 *** caught segfault ***
address 1bca6e8a, cause 'memory not mapped'

Traceback:
 1: utf8::utf8_width(x, encode = FALSE, utf8 = TRUE)
 2: get_extent(x)
 3: get_max_extent(as.character(formatted))
 4: pillar::new_pillar_shaft_simple(out, align = "right", min_width = 8)
 5: pillar_shaft.units(X[[i]], ...)
 6: FUN(X[[i]], ...)
 7: lapply(.x, .f, ...)
 8: map(x[pillar_shown], pillar_shaft)
 9: colonnade_get_width(x, width, rowid_width)
10: pillar::squeeze(x$mcf, width = width)
11: format.trunc_mat(mat)
12: format(mat)
13: format.tbl(x, ..., n = n, width = width, n_extra = n_extra)
14: format(x, ..., n = n, width = width, n_extra = n_extra)
15: paste0(..., "\n")
16: cat(paste0(..., "\n"), sep = "")
17: cat_line(format(x, ..., n = n, width = width, n_extra = n_extra))
18: print.tbl(dplyr::as.tbl(data.frame(x)))
19: print(dplyr::as.tbl(data.frame(x)))
20: print.rxEt(x)
21: print(x)
22: normal_print(x)
23: knit_print.default(x, ...)
24: knit_print(x, ...)
25: withVisible(knit_print(x, ...))
26: fun(x, options = options)
27: value_fun(ev$value, ev$visible)
28: withVisible(value_fun(ev$value, ev$visible))
29: withCallingHandlers(withVisible(value_fun(ev$value, ev$visible)),     warning = wHandler, error = eHandler, message = mHandler)
30: handle(pv <- withCallingHandlers(withVisible(value_fun(ev$value,     ev$visible)), warning = wHandler, error = eHandler, message = mHandler))
31: evaluate_call(expr, parsed$src[[i]], envir = envir, enclos = enclos,     debug = debug, last = i == length(out), use_try = stop_on_error !=         2L, keep_warning = keep_warning, keep_message = keep_message,     output_handler = output_handler, include_timing = include_timing)
32: evaluate::evaluate(...)
33: evaluate(code, envir = env, new_device = FALSE, keep_warning = !isFALSE(options$warning),     keep_message = !isFALSE(options$message), stop_on_error = if (options$error &&         options$include) 0L else 2L, output_handler = knit_handlers(options$render,         options))
34: in_dir(input_dir(), evaluate(code, envir = env, new_device = FALSE,     keep_warning = !isFALSE(options$warning), keep_message = !isFALSE(options$message),     stop_on_error = if (options$error && options$include) 0L else 2L,     output_handler = knit_handlers(options$render, options)))
35: block_exec(params)
36: call_block(x)
37: process_group.block(group)
38: process_group(group)
39: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
40: process_file(text, output)
41: knit(input, text = text, envir = envir, quiet = quiet)
42: knit2html(..., force_v1 = TRUE)
43: (if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$",     file)) knit2pandoc else knit)(file, encoding = encoding,     quiet = quiet, envir = globalenv(), ...)
44: vweave(...)
45: engine$weave(file, quiet = quiet, encoding = enc)
46: doTryCatch(return(expr), name, parentenv, handler)
47: tryCatchOne(expr, names, parentenv, handlers[[1L]])
48: tryCatchList(expr, classes, parentenv, handlers)
49: tryCatch({    engine$weave(file, quiet = quiet, encoding = enc)    setwd(startdir)    output <- find_vignette_product(name, by = "weave", engine = engine)    if (!have.makefile && vignette_is_tex(output)) {        texi2pdf(file = output, clean = FALSE, quiet = quiet)        output <- find_vignette_product(name, by = "texi2pdf",             engine = engine)    }}, error = function(e) {    OK <<- FALSE    message(gettextf("Error: processing vignette '%s' failed with diagnostics:\n%s",         file, conditionMessage(e)))})
50: tools:::.buildOneVignette("RxODE-events.Rmd", "/home/ripley/R/packages/tests32/RxODE.Rcheck/vign_test/RxODE",     TRUE, FALSE, "RxODE-events", "UTF-8", "/tmp/RtmphaaOS4/file71654b8e39a0.rds")
An irrecoverable exception occurred. R is aborting now ...
--- re-building ‘RxODE-intro.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-intro.Rmd’

--- re-building ‘RxODE-model-types.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 65-68 (RxODE-model-types.Rmd) 
Error: processing vignette 'RxODE-model-types.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘RxODE-model-types.Rmd’

--- re-building ‘RxODE-rxUse.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-rxUse.Rmd’

--- re-building ‘RxODE-shiny.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-shiny.Rmd’

--- re-building ‘RxODE-stiff.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-stiff.Rmd’

--- re-building ‘RxODE-syntax.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-syntax.Rmd’

--- re-building ‘RxODE-transit-compartments.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RxODE-transit-compartments.Rmd’

SUMMARY: processing the following files failed:
  ‘RxODE-events.Rmd’ ‘RxODE-model-types.Rmd’

Error: Vignette re-building failed.
Execution halted