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

 *** caught segfault ***
address 23c48715, cause 'memory not mapped'

Traceback:
 1: fstretrieve(file_name, columns, from, to)
 2: fst::read_fst(fst_filename(x), columns = unique(columns), from = from,     to = to, as.data.table = TRUE)
 3: FUN(X[[i]], ...)
 4: lapply(unclass(x), ...)
 5: prt_lapply(x, fst_read, rows = NULL, columns = columns)
 6: prt_read(x, rows = i, columns = j)
 7: prt_subset2(x, j = i, i = NULL)
 8: `[[.prt`(flights, 1L)
 9: flights[[1L]]
10: str(flights[[1L]])
11: eval(expr, envir, enclos)
12: eval(expr, envir, enclos)
13: withVisible(eval(expr, envir, enclos))
14: withCallingHandlers(withVisible(eval(expr, envir, enclos)), warning = wHandler,     error = eHandler, message = mHandler)
15: handle(ev <- withCallingHandlers(withVisible(eval(expr, envir,     enclos)), warning = wHandler, error = eHandler, message = mHandler))
16: timing_fn(handle(ev <- withCallingHandlers(withVisible(eval(expr,     envir, enclos)), warning = wHandler, error = eHandler, message = mHandler)))
17: evaluate_call(expr, parsed$src[[i]], envir = envir, enclos = enclos,     debug = debug, last = i == length(out), use_try = stop_on_error !=         2L, keep_warning = keep_warning, keep_message = keep_message,     output_handler = output_handler, include_timing = include_timing)
18: evaluate::evaluate(...)
19: evaluate(code, envir = env, new_device = FALSE, keep_warning = !isFALSE(options$warning),     keep_message = !isFALSE(options$message), stop_on_error = if (is.numeric(options$error)) options$error else {        if (options$error && options$include)             0L        else 2L    }, output_handler = knit_handlers(options$render, options))
20: 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 (is.numeric(options$error)) options$error else {        if (options$error && options$include)             0L        else 2L    }, output_handler = knit_handlers(options$render, options)))
21: eng_r(options)
22: block_exec(params)
23: call_block(x)
24: process_group.block(group)
25: process_group(group)
26: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
27: process_file(text, output)
28: knit(input, text = text, envir = envir, quiet = quiet)
29: knit2html(..., force_v1 = TRUE)
30: (if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$",     file)) knit2pandoc else knit)(file, encoding = encoding,     quiet = quiet, envir = globalenv(), ...)
31: vweave(...)
32: engine$weave(file, quiet = quiet, encoding = enc)
33: doTryCatch(return(expr), name, parentenv, handler)
34: tryCatchOne(expr, names, parentenv, handlers[[1L]])
35: tryCatchList(expr, classes, parentenv, handlers)
36: tryCatch({    engine$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)    }    outputs <- c(outputs, output)}, error = function(e) {    thisOK <<- FALSE    fails <<- c(fails, file)    message(gettextf("Error: processing vignette '%s' failed with diagnostics:\n%s",         file, conditionMessage(e)))})
37: tools:::buildVignettes(dir = "/home/ripley/R/packages/tests32/prt.Rcheck/vign_test/prt",     ser_elibs = "/tmp/Rtmp7XaiWv/file2b815e2b4f8b.rds")
An irrecoverable exception occurred. R is aborting now ...