• using R Under development (unstable) (2026-08-03 r90347 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 14.3.0     GNU Fortran (GCC) 14.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8 * current time: 2026-08-04 15:06:21 UTC
• checking for file 'interp/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'interp' version '1.1-6'
• 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 hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'interp' can be installed ... OK See the install log for details.
• used C compiler: 'gcc.exe (GCC) 14.3.0'
• used Fortran compiler: 'GNU Fortran (GCC) 14.3.0'
• used C++ compiler: 'g++.exe (GCC) 14.3.0'
• checking installed package size ... OK
• checking package directory ... 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] OK
• checking whether the package can be loaded with stated dependencies ... [0s] OK
• checking whether the package can be unloaded cleanly ... [1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [0s] OK
• checking whether the namespace can be unloaded cleanly ... [1s] OK
• checking loading without being on the library search path ... [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 ... [7s] OK
• checking Rd files ... [1s] OK
• checking Rd metadata ... 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] OK
• checking data for ASCII and uncompressed saves ... OK
• checking line endings in C/C++/Fortran sources/headers ... OK
• checking pragmas in C/C++ headers and code ... OK
• checking compiled code ... OK
• checking usage of KIND in Fortran files ... OK
• checking sizes of PDF files under 'inst/doc' ... OK
• checking installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [9s] OK
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [33m] ERROR Error(s) in re-building vignettes: --- re-building 'interp.Rnw' using Sweave Bibliography warnings for 'interp': empty journal in sinclair:16 --- finished re-building 'interp.Rnw' --- re-building 'partDeriv.Rnw' using Sweave Loading required package: Rcpp Attaching package: 'Ryacas' The following object is masked from 'package:stats':     integrate The following objects are masked from 'package:base':     %*%, det, diag, diag<-, lower.tri, upper.tri Warning: `stat_contour()`: Zero contours were generated Warning in min(x) : no non-missing arguments to min; returning Inf Warning in max(x) : no non-missing arguments to max; returning -Inf Warning: `stat_contour()`: Zero contours were generated Warning in min(x) : no non-missing arguments to min; returning Inf Warning in max(x) : no non-missing arguments to max; returning -Inf Warning: `stat_contour()`: Zero contours were generated Warning in min(x) : no non-missing arguments to min; returning Inf Warning in max(x) : no non-missing arguments to max; returning -Inf Warning: `stat_contour()`: Zero contours were generated Warning in min(x) : no non-missing arguments to min; returning Inf Warning in max(x) : no non-missing arguments to max; returning -Inf Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "", :   running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "partDeriv.tex" ' had status 1 Error: processing vignette 'partDeriv.Rnw' failed with diagnostics: Failed to locate 'texi2pdf' output file 'partDeriv.pdf' for vignette with name 'partDeriv' and engine 'utils::Sweave'. The following files exist in working directory 'D:\RCompile\CRANpkg\local\4.7\interp.Rcheck\vign_test\interp\vignettes': 'Rplots.pdf' (352256 bytes), 'fig--003.pdf' (8048 bytes), 'fig--005.pdf' (42038 bytes), 'fig--007.pdf' (51025 bytes), 'fig--009.pdf' (52146 bytes), 'fig--011.pdf' (15256 bytes), 'fig--013.pdf' (7525 bytes), 'fig--024.pdf' (55199 bytes), 'fig--028.pdf' (71052 bytes), 'fig--036.pdf' (54205 bytes), 'fig--042.pdf' (80364 bytes), 'fig--046.pdf' (105460 bytes), 'fig--050.pdf' (100380 bytes), 'interp.Rnw' (28637 bytes), 'interp.aux' (3631 bytes), 'interp.bbl' (3979 bytes), 'interp.blg' (1155 bytes), 'interp.lof' (670 bytes), 'interp.log' (40609 bytes), 'interp.out' (1391 bytes), 'interp.pdf' (587009 bytes), 'interp.tex' (29003 bytes), 'lit.bib' (7342 bytes), 'partDeriv.Rnw' (42811 bytes), 'partDeriv.tex' (37294 bytes), 'tri.Rnw' (15135 bytes) --- failed re-building 'partDeriv.Rnw' --- re-building 'tri.Rnw' using Sweave Bibliography warnings for 'tri': empty journal in sinclair:16 --- finished re-building 'tri.Rnw' SUMMARY: processing the following file failed:   'partDeriv.Rnw' Error: Vignette re-building failed. Execution halted
• checking PDF version of manual ... [22s] OK
• checking HTML version of manual ... [5s] OK
• DONE

Status: 1 ERROR