• using R version 4.6.0 (2026-04-24)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc-16 (Debian 16.1.0-1) 16.1.0     GNU Fortran (Debian 16.1.0-1) 16.1.0
• running under: Debian GNU/Linux forky/sid
• using session charset: UTF-8 * current time: 2026-06-13 18:51:32 UTC
• checking for file ‘sandwich/DESCRIPTION’ ... OK
• this is package ‘sandwich’ version ‘3.1-1’
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking serialization versions ... OK
• checking whether package ‘sandwich’ can be installed ... OK See the install log for details.
• checking package directory ... OK
• checking for future file timestamps ... OK
• checking ‘build’ directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [0s/0s] OK
• checking whether the package can be loaded with stated dependencies ... [0s/0s] OK
• checking whether the package can be unloaded cleanly ... [0s/0s] OK
• checking whether the namespace can be loaded with stated dependencies ... [0s/0s] OK
• checking whether the namespace can be unloaded cleanly ... [0s/1s] OK
• checking loading without being on the library search path ... [0s/0s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [11s/14s] OK
• checking Rd files ... [1s/1s] OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... [0s/0s] OK
• checking data for ASCII and uncompressed saves ... OK
• checking sizes of PDF files under ‘inst/doc’ ... OK
• checking installed files from ‘inst/doc’ ... OK
• checking files in ‘vignettes’ ... OK
• checking examples ... [11s/14s] OK
• checking for differences from example reference output ... OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [39s/48s] OK   Running ‘vcovCL.R’ [31s/39s]   Comparing ‘vcovCL.Rout’ to ‘vcovCL.Rout.save’ ... OK   Running ‘vcovPC.R’ [6s/7s]   Comparing ‘vcovPC.Rout’ to ‘vcovPC.Rout.save’ ... OK   Running ‘vcovPL.R’ [1s/2s]   Comparing ‘vcovPL.Rout’ to ‘vcovPL.Rout.save’ ... OK
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking running R code from vignettes ... [16s/19s] OK   ‘sandwich-CL.Rnw’... [11s/13s] OK   ‘sandwich-OOP.Rnw’... [2s/3s] OK   ‘sandwich.Rnw’... [1s/2s] OK
• checking re-building of vignette outputs ... [39s/57s] WARNING Error(s) in re-building vignettes:   ... --- re-building ‘sandwich-CL.Rnw’ using Sweave Loading required package: geepack Loading required package: lattice Loading required package: lme4 Loading required package: Matrix Loading required package: lmtest Loading required package: zoo Attaching package: ‘zoo’ The following objects are masked from ‘package:base’:     as.Date, as.Date.numeric Loading required package: multiwayvcov Loading required package: pcse Attaching package: ‘pcse’ The following object is masked from ‘package:sandwich’:     vcovPC Loading required package: plm Loading required package: pscl Classes and Methods for R originally developed in the Political Science Computational Laboratory Department of Political Science Stanford University (2002-2015), by and under the direction of Simon Jackman. hurdle and zeroinfl functions by Achim Zeileis. Error: processing vignette 'sandwich-CL.Rnw' failed with diagnostics: Running 'texi2dvi' on 'sandwich-CL.tex' failed. LaTeX errors: ! Undefined control sequence. <argument> cite.\@citeb                         \@extra@b@citeb l.71 \begin{document}                       ! Emergency stop. <argument> cite.\@citeb                         \@extra@b@citeb l.71 \begin{document}                       ! ==> Fatal error occurred, no output PDF file produced! --- failed re-building ‘sandwich-CL.Rnw’ --- re-building ‘sandwich-OOP.Rnw’ using Sweave Loading required package: AER Loading required package: car Loading required package: carData Loading required package: lmtest Loading required package: zoo Attaching package: ‘zoo’ The following objects are masked from ‘package:base’:     as.Date, as.Date.numeric Loading required package: sandwich Loading required package: survival Loading required package: MASS Error: processing vignette 'sandwich-OOP.Rnw' failed with diagnostics: Running 'texi2dvi' on 'sandwich-OOP.tex' failed. LaTeX errors: ! Undefined control sequence. <argument> cite.\@citeb                         \@extra@b@citeb l.46 \begin{document}                       ! Emergency stop. <argument> cite.\@citeb                         \@extra@b@citeb l.46 \begin{document}                       ! ==> Fatal error occurred, no output PDF file produced! --- failed re-building ‘sandwich-OOP.Rnw’ --- re-building ‘sandwich.Rnw’ using Sweave Attaching package: ‘zoo’ The following objects are masked from ‘package:base’:     as.Date, as.Date.numeric Loading required package: strucchange Loading required package: lmtest Loading required package: scatterplot3d Error: processing vignette 'sandwich.Rnw' failed with diagnostics: Running 'texi2dvi' on 'sandwich.tex' failed. LaTeX errors: ! Undefined control sequence. <argument> cite.\@citeb                         \@extra@b@citeb l.52 \begin{document}                       ! Emergency stop. <argument> cite.\@citeb                         \@extra@b@citeb l.52 \begin{document}                       ! ==> Fatal error occurred, no output PDF file produced! --- failed re-building ‘sandwich.Rnw’ SUMMARY: processing the following files failed:   ‘sandwich-CL.Rnw’ ‘sandwich-OOP.Rnw’ ‘sandwich.Rnw’ Error: Vignette re-building failed. Execution halted
• checking PDF version of manual ... [6s/9s] OK
• checking HTML version of manual ... [5s/7s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 1 WARNING