Error(s) in re-building vignettes:
--- re-building ‘Introduction.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- finished re-building ‘Introduction.Rmd’

--- re-building ‘step00_prep.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.

Using 3^3 = 27 total bins
--- finished re-building ‘step00_prep.Rmd’

--- re-building ‘step01_loading.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- finished re-building ‘step01_loading.Rmd’

--- re-building ‘step02_initial_cluster.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- finished re-building ‘step02_initial_cluster.Rmd’

--- re-building ‘step03_refinement.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- finished re-building ‘step03_refinement.Rmd’

sh: line 1: 65397 Segmentation fault: 11  '/Library/Frameworks/R.framework/Resources/bin/R' --vanilla --no-echo > '/Volumes/Temp/tmp/RtmpOP8prR/fileff2a1c667b28' 2>&1 < '/Volumes/Temp/tmp/RtmpOP8prR/fileff2ac1f8da9'
--- re-building ‘step04_manual_tweak.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.

 *** caught segfault ***
address 0x11751e030, cause 'memory not mapped'

Traceback:
 1: reduce_wsum(x, rep(1, length(x)), na_rm = na.rm)
 2: imager::add(components)
 3: imager::as.pixset(imager::add(components) > 0)
 4: absorbLayer(ful_init, layer_idx = 3, function(s) s <= 250, y_range = c(0,     0.8), highlight_color = "cyan")
 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$message), stop_on_error = if (is.numeric(options$error)) options$error else {        if (options$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 (is.numeric(options$error)) options$error else {        if (options$error && options$include)             0L        else 2L    }, output_handler = knit_handlers(options$render, options)))
15: eng_r(options)
16: block_exec(params)
17: call_block(x)
18: process_group.block(group)
19: process_group(group)
20: withCallingHandlers(if (tangle) process_tangle(group) else process_group(group),     error = function(e) {        setwd(wd)        cat(res, sep = "\n", file = output %n% "")        message("Quitting from lines ", paste(current_lines(i),             collapse = "-"), " (", knit_concord$get("infile"),             ") ")    })
21: process_file(text, output)
22: knit(input, text = text, envir = envir, quiet = quiet)
23: (if (grepl("\\.[Rr]md$", file)) knit2html else if (grepl("\\.[Rr]rst$",     file)) knit2pandoc else knit)(file, encoding = encoding,     quiet = quiet, envir = globalenv(), ...)
24: vweave(...)
25: engine$weave(file, quiet = quiet, encoding = enc)
26: doTryCatch(return(expr), name, parentenv, handler)
27: tryCatchOne(expr, names, parentenv, handlers[[1L]])
28: tryCatchList(expr, classes, parentenv, handlers)
29: tryCatch({    engine$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)))})
30: tools:::.buildOneVignette("step04_manual_tweak.Rmd", "/Volumes/Builds/packages/high-sierra-x86_64/results/4.0/recolorize.Rcheck/vign_test/recolorize",     TRUE, FALSE, "step04_manual_tweak", "UTF-8", "/Volumes/Temp/tmp/RtmpOP8prR/fileff2a4b604169.rds")
An irrecoverable exception occurred. R is aborting now ...
--- re-building ‘step05_visualization_export.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- finished re-building ‘step05_visualization_export.Rmd’

SUMMARY: processing the following file failed:
  ‘step04_manual_tweak.Rmd’

Error: Vignette re-building failed.
Execution halted