Error(s) in re-building vignettes:
sh: line 1: 2308992 Segmentation fault      (core dumped) '/data/gannet/ripley/R/R-devel/bin/R' --vanilla --no-echo > '/tmp/Rtmpo6lhl6/working_dir/RtmpOXSMkC/file233b695c5cdbc8' 2>&1 < '/tmp/Rtmpo6lhl6/working_dir/RtmpOXSMkC/file233b69791a0d8c'
--- re-building ‘db_vignette.Rmd’ using rmarkdown

Attaching package: 'DNAtools'

The following object is masked from 'package:stats':

    convolve


 *** caught segfault ***
address 0xfffffffffffffff7, cause 'memory not mapped'

Traceback:
 1: setTbbThreadOptions(numThreads, stackSize)
 2: RcppParallel::setThreadOptions(numThreads = threads, stackSize = "auto")
 3: dbCompare(dbExample, trace = FALSE)
 4: dbCollapse(dbCompare(dbExample, trace = FALSE)$m)
 5: eval(expr, envir, enclos)
 6: eval(expr, envir, enclos)
 7: withVisible(eval(expr, envir, enclos))
 8: withCallingHandlers(withVisible(eval(expr, envir, enclos)), warning = wHandler,     error = eHandler, message = mHandler)
 9: handle(ev <- withCallingHandlers(withVisible(eval(expr, envir,     enclos)), warning = wHandler, error = eHandler, message = mHandler))
10: timing_fn(handle(ev <- withCallingHandlers(withVisible(eval(expr,     envir, enclos)), warning = wHandler, error = eHandler, message = mHandler)))
11: evaluate_call(expr, parsed$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)
12: evaluate::evaluate(...)
13: 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$render,         options))
14: in_dir(input_dir(), evaluate(code, envir = env, new_device = FALSE,     keep_warning = !isFALSE(options$warning), keep_message = !isFALSE(options$message),     stop_on_error = if (options$error && options$include) 0L else 2L,     output_handler = knit_handlers(options$render, options)))
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$get("infile"),             ") ")    })
20: process_file(text, output)
21: knitr::knit(knit_input, knit_output, envir = envir, quiet = quiet)
22: rmarkdown::render(file, encoding = encoding, quiet = quiet, envir = globalenv(),     output_dir = getwd(), ...)
23: vweave_rmarkdown(...)
24: engine$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)    }}, error = function(e) {    OK <<- FALSE    message(gettextf("Error: processing vignette '%s' failed with diagnostics:\n%s",         file, conditionMessage(e)))})
29: tools:::.buildOneVignette("db_vignette.Rmd", "/data/gannet/ripley/R/packages/tests-devel/DNAtools.Rcheck/vign_test/DNAtools",     TRUE, FALSE, "db_vignette", "UTF-8", "/tmp/Rtmpo6lhl6/working_dir/RtmpOXSMkC/file233b6956cfce38.rds")
An irrecoverable exception occurred. R is aborting now ...
--- re-building ‘dna_vignette.Rmd’ using rmarkdown

Attaching package: 'DNAtools'

The following object is masked from 'package:stats':

    convolve

starting httpd help server ... done
--- finished re-building ‘dna_vignette.Rmd’

--- re-building ‘noa_vignette.Rmd’ using rmarkdown

Attaching package: 'DNAtools'

The following object is masked from 'package:stats':

    convolve

--- finished re-building ‘noa_vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘db_vignette.Rmd’

Error: Vignette re-building failed.
Execution halted