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.
Loading required package: Matrix

 *** caught segfault ***
address 6e3f0e0a, cause 'memory not mapped'

Traceback:
 1: ifelse(x > 0, tau * huber(x, eps), (1 - tau) * huber(x, eps))
 2: tilted.huber(E, tau, eps)
 3: f(x, ...)
 4: (function (x) f(x, ...))(c(-1.77529709604116e-06, 1.89522593059716, -9.79106659218449e-06, -1.33337091561971, -2.1999413389135e-05, 0.309739617048551, 0.000285334171388992, 0.489851488298517, -22.3166905080313, -91.3969563328141, -56.2143206836617, -238.912943434151, 28.550106268083))
 5: nlm(qrnn.cost, weights, iterlim = iter.max, x = x, y = y, n.hidden = n.hidden,     tau = tau, lower = lower, eps = eps, Th = Th, Th.prime = Th.prime,     penalty = penalty, check.analyticals = FALSE, ...)
 6: qrnn.nlm(x, y, n.hidden, tau, iter.max, n.trials, bag, lower.scaled,     eps.seq, Th, Th.prime, penalty, trace, ...)
 7: doTryCatch(return(expr), name, parentenv, handler)
 8: tryCatchOne(expr, names, parentenv, handlers[[1L]])
 9: tryCatchList(expr, classes, parentenv, handlers)
10: tryCatch(expr, error = function(e) {    call <- conditionCall(e)    if (!is.null(call)) {        if (identical(call[[1L]], quote(doTryCatch)))             call <- sys.call(-4L)        dcall <- deparse(call)[1L]        prefix <- paste("Error in", dcall, ": ")        LONG <- 75L        msg <- conditionMessage(e)        sm <- strsplit(msg, "\n")[[1L]]        w <- 14L + nchar(dcall, type = "w") + nchar(sm[1L], type = "w")        if (is.na(w))             w <- 14L + nchar(dcall, type = "b") + nchar(sm[1L],                 type = "b")        if (w > LONG)             prefix <- paste0(prefix, "\n  ")    }    else prefix <- "Error : "    msg <- paste0(prefix, conditionMessage(e), "\n")    .Internal(seterrmessage(msg[1L]))    if (!silent && identical(getOption("show.error.messages"),         TRUE)) {        cat(msg, file = stderr())        .Internal(printDeferredWarnings())    }    invisible(structure(msg, class = "try-error", condition = e))})
11: try(qrnn.nlm(x, y, n.hidden, tau, iter.max, n.trials, bag, lower.scaled,     eps.seq, Th, Th.prime, penalty, trace, ...), silent = TRUE)
12: qrnn::qrnn.fit(x = as.matrix(pred), y = as.matrix(res), n.hidden = 4,     tau = probs[i], iter.max = 1000, n.trials = 1, penalty = 1)
13: eval(expr, envir, enclos)
14: eval(expr, pf)
15: withVisible(eval(expr, pf))
16: evalVis(expr)
17: capture.output(w[[i]] <- qrnn::qrnn.fit(x = as.matrix(pred),     y = as.matrix(res), n.hidden = 4, tau = probs[i], iter.max = 1000,     n.trials = 1, penalty = 1))
18: plotResiduals(simulationOutput$fittedPredictedResponse, simulationOutput$scaledResiduals,     xlab = "Predicted value", ylab = "Standardized residual",     main = "Residual vs. predicted\n0.25, 0.5, 0.75 quantile lines\nshould be straight",     cex.main = 1, quantreg = quantreg)
19: plotSimulatedResiduals(simulationOutput = simulationOutput)
20: eval(expr, envir, enclos)
21: eval(expr, envir, enclos)
22: withVisible(eval(expr, envir, enclos))
23: withCallingHandlers(withVisible(eval(expr, envir, enclos)), warning = wHandler,     error = eHandler, message = mHandler)
24: handle(ev <- withCallingHandlers(withVisible(eval(expr, envir,     enclos)), warning = wHandler, error = eHandler, message = mHandler))
25: timing_fn(handle(ev <- withCallingHandlers(withVisible(eval(expr,     envir, enclos)), warning = wHandler, error = eHandler, message = mHandler)))
26: evaluate_call(expr, parsed$src[[i]], envir = envir, enclos = enclos,     debug = debug, last = i == length(out), use_try = stop_on_error !=         2L, keep_warning = keep_warning, keep_message = keep_message,     output_handler = output_handler, include_timing = include_timing)
27: evaluate(code, envir = env, new_device = FALSE, keep_warning = !isFALSE(options$warning),     keep_message = !isFALSE(options$message), stop_on_error = if (options$error &&         options$include) 0L else 2L, output_handler = knit_handlers(options$render,         options))
28: 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$render, options)))
29: block_exec(params)
30: call_block(x)
31: process_group.block(group)
32: process_group(group)
33: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
34: process_file(text, output)
35: knit(input, text = text, envir = envir, encoding = encoding,     quiet = quiet)
36: knit2html(..., force_v1 = TRUE)
37: (if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$",     file)) knit2pdf else knit)(file, encoding = encoding, quiet = quiet,     envir = globalenv())
38: vweave(...)
39: engine$weave(file, quiet = quiet, encoding = enc)
40: doTryCatch(return(expr), name, parentenv, handler)
41: tryCatchOne(expr, names, parentenv, handlers[[1L]])
42: tryCatchList(expr, classes, parentenv, handlers)
43: tryCatch({    engine$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)})
44: buildVignettes(dir = "/home/ripley/R/packages/tests32/DHARMa.Rcheck/vign_test/DHARMa")
An irrecoverable exception occurred. R is aborting now ...