Error(s) in re-building vignettes:
  ...
--- re-building ‘spatial_multivariate.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
terminate called after throwing an instance of 'std::runtime_error'

 *** caught segfault ***
address 8, cause 'memory not mapped'

Traceback:
 1: spamtree_mv_mcmc(y, x, Z, cx_all, sort_mv_id, blocking, gix_block,     res_is_ref, parents, children, limited_tree, block_names,     block_groups, indexing, set_unif_bounds, start_w, start_theta,     start_beta, start_tausq, mcmc_mh_sd, mcmc_keep, mcmc_burn,     mcmc_thin, num_threads, use_alg, mcmc_adaptive, main_verbose,     mcmc_verbose, mcmc_debug, mcmc_printall, sample_beta, sample_tausq,     sample_theta, sample_w, sample_predicts)
 2: system.time({    results <- spamtree_mv_mcmc(y, x, Z, cx_all, sort_mv_id,         blocking, gix_block, res_is_ref, parents, children, limited_tree,         block_names, block_groups, indexing, set_unif_bounds,         start_w, start_theta, start_beta, start_tausq, mcmc_mh_sd,         mcmc_keep, mcmc_burn, mcmc_thin, num_threads, use_alg,         mcmc_adaptive, main_verbose, mcmc_verbose, mcmc_debug,         mcmc_printall, sample_beta, sample_tausq, sample_theta,         sample_w, sample_predicts)})
 3: spamtree(y, X, cx, mv_id, mcmc = list(keep = mcmc_keep, burn = mcmc_burn,     thin = mcmc_thin), num_threads = 10, verbose = TRUE)
 4: eval(expr, envir, enclos)
 5: eval(expr, envir, enclos)
 6: withVisible(eval(expr, envir, enclos))
 7: withCallingHandlers(withVisible(eval(expr, envir, enclos)), warning = wHandler,     error = eHandler, message = mHandler)
 8: handle(ev <- withCallingHandlers(withVisible(eval(expr, envir,     enclos)), warning = wHandler, error = eHandler, message = mHandler))
 9: timing_fn(handle(ev <- withCallingHandlers(withVisible(eval(expr,     envir, enclos)), warning = wHandler, error = eHandler, message = mHandler)))
10: evaluate_call(expr, parsed$src[[i]], envir = envir, enclos = enclos,     debug = debug, last = i == length(out), use_try = stop_on_error !=         2L, keep_warning = keep_warning, keep_message = keep_message,     output_handler = output_handler, include_timing = include_timing)
11: evaluate::evaluate(...)
12: evaluate(code, envir = env, new_device = FALSE, keep_warning = !isFALSE(options$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))
13: 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$render, options)))
14: eng_r(options)
15: block_exec(params)
16: call_block(x)
17: process_group.block(group)
18: process_group(group)
19: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
20: process_file(text, output)
21: knit(input, text = text, envir = envir, quiet = quiet)
22: (if (grepl("\\.[Rr]md$", file)) knit2html else if (grepl("\\.[Rr]rst$",     file)) knit2pandoc else knit)(file, encoding = encoding,     quiet = quiet, envir = globalenv(), ...)
23: vweave(...)
24: engine$weave(file, quiet = quiet, encoding = enc)
25: doTryCatch(return(expr), name, parentenv, handler)
26: tryCatchOne(expr, names, parentenv, handlers[[1L]])
27: tryCatchList(expr, classes, parentenv, handlers)
28: tryCatch({    engine$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)))})
29: tools:::buildVignettes(dir = "/home/ripley/R/packages/tests32/spamtree.Rcheck/vign_test/spamtree",     ser_elibs = "/tmp/RtmpJ2aiWn/file1b811e1318e1.rds")
An irrecoverable exception occurred. R is aborting now ...