Error in re-building vignettes:
  ...
Loading required package: pbkrtest
Loading required package: lme4
Loading required package: Matrix
refitting model(s) with ML (instead of REML)
refitting model(s) with ML (instead of REML)

 *** caught segfault ***
address 1000008, cause 'memory not mapped'

Traceback:
 1: asMethod(object)
 2: as(r, "CsparseMatrix")
 3: sparseMatrix(1:n.obs, 1:n.obs, x = 1)
 4: .get_SigmaG(object, details)
 5: get_SigmaG.lmerMod(object, details)
 6: get_SigmaG(object, details)
 7: vcovAdj.lmerMod(largeModel, details)
 8: vcovAdj(largeModel, details)
 9: KRmodcomp.lmerMod(lmm1.b, lmm0.b)
10: KRmodcomp(lmm1.b, lmm0.b)
11: eval(expr, envir, enclos)
12: eval(expr, .GlobalEnv)
13: withVisible(eval(expr, .GlobalEnv))
14: doTryCatch(return(expr), name, parentenv, handler)
15: tryCatchOne(expr, names, parentenv, handlers[[1L]])
16: tryCatchList(expr, classes, parentenv, handlers)
17: 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))})
18: try(withVisible(eval(expr, .GlobalEnv)), silent = TRUE)
19: evalFunc(ce, options)
20: tryCatchList(expr, classes, parentenv, handlers)
21: tryCatch(evalFunc(ce, options), finally = {    cat("\n")    sink()})
22: driver$runcode(drobj, chunk, chunkopts)
23: utils::Sweave(...)
24: engine$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)    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)})
29: buildVignettes(dir = "/home/ripley/R/packages/tests32/pbkrtest.Rcheck/vign_test/pbkrtest")
An irrecoverable exception occurred. R is aborting now ...