• using R version 4.6.1 (2026-06-24 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: 2026-09-16 13:58:28 UTC
• checking for file 'mlexperiments/DESCRIPTION' ... OK
• this is package 'mlexperiments' version '1.0.1'
• package encoding: UTF-8
• 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 'mlexperiments' can be installed ... OK See the install log for details.
• 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 whether startup messages can be suppressed ... [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 ... [4s] 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 installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [4s] OK
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [337s] OK   Running 'testthat.R' [336s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [39s] ERROR Error(s) in re-building vignettes: --- re-building 'mlexperiments_knn_binary.qmd' using html processing file: mlexperiments_knn_binary.qmd output file: mlexperiments_knn_binary.knit.md pandoc   to: html   output-file: mlexperiments_knn_binary.html   standalone: true   embed-resources: true   wrap: none   default-image-extension: png   css:     - >-       D:/RCompile/CRANpkg/lib/4.6/quarto/rmarkdown/template/quarto_vignette/resources/vignette.css   variables: {}    metadata   document-css: false   lang: en   engines:     - path: C:\Program Files\Quarto\share\extension-subtrees\julia-engine\_extensions\julia-engine\julia-engine.js   minimal: true   theme: none   title: 'KNN: Binary Classification'   vignette: |     %\VignetteEncoding{UTF-8} %\VignetteIndexEntry{KNN: Binary Classification} %\VignetteEngine{quarto::html}   editor_options:     chunk_output_type: console    Output created: mlexperiments_knn_binary.html --- finished re-building 'mlexperiments_knn_binary.qmd' --- re-building 'mlexperiments_knn_multiclass.qmd' using html processing file: mlexperiments_knn_multiclass.qmd output file: mlexperiments_knn_multiclass.knit.md pandoc   to: html   output-file: mlexperiments_knn_multiclass.html   standalone: true   embed-resources: true   wrap: none   default-image-extension: png   css:     - >-       D:/RCompile/CRANpkg/lib/4.6/quarto/rmarkdown/template/quarto_vignette/resources/vignette.css   variables: {}    metadata   document-css: false   lang: en   engines:     - path: C:\Program Files\Quarto\share\extension-subtrees\julia-engine\_extensions\julia-engine\julia-engine.js   minimal: true   theme: none   title: 'KNN: Multiclass Classification'   vignette: |     %\VignetteEncoding{UTF-8} %\VignetteIndexEntry{KNN: Multiclass Classification} %\VignetteEngine{quarto::html}   editor_options:     chunk_output_type: console    Output created: mlexperiments_knn_multiclass.html --- finished re-building 'mlexperiments_knn_multiclass.qmd' --- re-building 'mlexperiments_rpart_binary.qmd' using html processing file: mlexperiments_rpart_binary.qmd output file: mlexperiments_rpart_binary.knit.md pandoc   to: html   output-file: mlexperiments_rpart_binary.html   standalone: true   embed-resources: true   wrap: none   default-image-extension: png   css:     - >-       D:/RCompile/CRANpkg/lib/4.6/quarto/rmarkdown/template/quarto_vignette/resources/vignette.css   variables: {}    metadata   document-css: false   lang: en   engines:     - path: C:\Program Files\Quarto\share\extension-subtrees\julia-engine\_extensions\julia-engine\julia-engine.js   minimal: true   theme: none   title: 'rpart: Binary Classification'   vignette: |     %\VignetteEncoding{UTF-8} %\VignetteIndexEntry{rpart: Binary Classification} %\VignetteEngine{quarto::html}   editor_options:     chunk_output_type: console    Output created: mlexperiments_rpart_binary.html --- finished re-building 'mlexperiments_rpart_binary.qmd' --- re-building 'mlexperiments_rpart_multiclass.qmd' using html processing file: mlexperiments_rpart_multiclass.qmd output file: mlexperiments_rpart_multiclass.knit.md pandoc   to: html   output-file: mlexperiments_rpart_multiclass.html   standalone: true   embed-resources: true   wrap: none   default-image-extension: png   css:     - >-       D:/RCompile/CRANpkg/lib/4.6/quarto/rmarkdown/template/quarto_vignette/resources/vignette.css   variables: {}    metadata   document-css: false   lang: en   engines:     - path: C:\Program Files\Quarto\share\extension-subtrees\julia-engine\_extensions\julia-engine\julia-engine.js   minimal: true   theme: none   title: 'rpart: Multiclass Classification'   vignette: |     %\VignetteEncoding{UTF-8} %\VignetteIndexEntry{rpart: Multiclass Classification} %\VignetteEngine{quarto::html}   editor_options:     chunk_output_type: console    Output created: mlexperiments_rpart_multiclass.html --- finished re-building 'mlexperiments_rpart_multiclass.qmd' --- re-building 'mlexperiments_rpart_regression.qmd' using html processing file: mlexperiments_rpart_regression.qmd output file: mlexperiments_rpart_regression.knit.md WARN: Error encountered when rendering files Error: processing vignette 'mlexperiments_rpart_regression.qmd' failed with diagnostics: ! Error running quarto CLI from R. Caused by error in `quarto_render()`: ✖ Error returned by quarto CLI.   -----------------------------         processing file: mlexperiments_rpart_regression.qmd   output file: mlexperiments_rpart_regression.knit.md      WARN: Error encountered when rendering files    Caused by error in `processx::run()`: ! System command 'quarto.exe' failed --- failed re-building 'mlexperiments_rpart_regression.qmd' --- re-building 'mlexperiments_starter.qmd' using html processing file: mlexperiments_starter.qmd output file: mlexperiments_starter.knit.md pandoc   to: html   output-file: mlexperiments_starter.html   standalone: true   embed-resources: true   wrap: none   default-image-extension: png   css:     - >-       D:/RCompile/CRANpkg/lib/4.6/quarto/rmarkdown/template/quarto_vignette/resources/vignette.css   variables: {}    metadata   document-css: false   lang: en   engines:     - path: C:\Program Files\Quarto\share\extension-subtrees\julia-engine\_extensions\julia-engine\julia-engine.js   minimal: true   theme: none   title: 'mlexperiments: Getting Started'   vignette: |     %\VignetteEncoding{UTF-8} %\VignetteIndexEntry{mlexperiments: Getting Started} %\VignetteEngine{quarto::html}   editor_options:     chunk_output_type: console    Output created: mlexperiments_starter.html --- finished re-building 'mlexperiments_starter.qmd' SUMMARY: processing the following file failed:   'mlexperiments_rpart_regression.qmd' Error: Vignette re-building failed. Execution halted
• checking PDF version of manual ... [27s] OK
• checking HTML version of manual ... [8s] OK
• DONE

Status: 1 ERROR