Error in re-building vignettes:
  ...
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning: Removed 37 rows containing non-finite values (stat_summary).
Warning: Removed 37 rows containing non-finite values (stat_summary).
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning: Removed 37 rows containing non-finite values (stat_summary).
Warning: Removed 37 rows containing non-finite values (stat_summary).

 *** caught segfault ***
address 2838, cause 'memory not mapped'

Traceback:
 1: f(..., self = self)
 2: FUN(X[[i]], ...)
 3: lapply(df[aesthetics], self$transform)
 4: f(..., self = self)
 5: s$transform_df(df = df)
 6: FUN(X[[i]], ...)
 7: lapply(scales$scales, function(s) s$transform_df(df = df))
 8: unlist(lapply(scales$scales, function(s) s$transform_df(df = df)),     recursive = FALSE)
 9: FUN(X[[i]], ...)
10: lapply(data, scales_transform_df, scales = scales)
11: ggplot_build(x)
12: print.ggplot(x)
13: print(x)
14: normal_print(x)
15: knit_print.default(x, ...)
16: knit_print(x, ...)
17: withVisible(knit_print(x, ...))
18: fun(x, options = options)
19: value_fun(ev$value, ev$visible)
20: withVisible(value_fun(ev$value, ev$visible))
21: withCallingHandlers(withVisible(value_fun(ev$value, ev$visible)),     warning = wHandler, error = eHandler, message = mHandler)
22: handle(pv <- withCallingHandlers(withVisible(value_fun(ev$value,     ev$visible)), warning = wHandler, error = eHandler, message = mHandler))
23: evaluate_call(expr, parsed$src[[i]], envir = envir, enclos = enclos,     debug = debug, last = i == length(out), use_try = stop_on_error !=         2L, keep_warning = keep_warning, keep_message = keep_message,     output_handler = output_handler, include_timing = include_timing)
24: evaluate(code, envir = env, new_device = FALSE, keep_warning = !isFALSE(options$warning),     keep_message = !isFALSE(options$message), stop_on_error = if (options$error &&         options$include) 0L else 2L, output_handler = knit_handlers(options$render,         options))
25: 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$render, options)))
26: block_exec(params)
27: call_block(x)
28: process_group.block(group)
29: process_group(group)
30: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
31: process_file(text, output)
32: knit(input, text = text, envir = envir, encoding = encoding,     quiet = quiet)
33: knit2html(..., force_v1 = TRUE)
34: (if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$",     file)) knit2pdf else knit)(file, encoding = encoding, quiet = quiet,     envir = globalenv())
35: vweave(...)
36: engine$weave(file, quiet = quiet, encoding = enc)
37: doTryCatch(return(expr), name, parentenv, handler)
38: tryCatchOne(expr, names, parentenv, handlers[[1L]])
39: tryCatchList(expr, classes, parentenv, handlers)
40: tryCatch({    engine$weave(file, quiet = quiet, encoding = enc)    setwd(startdir)    find_vignette_product(name, by = "weave", engine = engine)}, error = function(e) {    stop(gettextf("processing vignette '%s' failed with diagnostics:\n%s",         file, conditionMessage(e)), domain = NA, call. = FALSE)})
41: buildVignettes(dir = "/home/ripley/R/packages/tests32/eyetrackingR.Rcheck/vign_test/eyetrackingR")
An irrecoverable exception occurred. R is aborting now ...