* using log directory 'd:/Rcompile/CRANpkg/local/4.6/airGRiwrm.Rcheck'
* using R Under development (unstable) (2025-12-16 r89184 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
* checking for file 'airGRiwrm/DESCRIPTION' ... OK
* this is package 'airGRiwrm' version '0.7.0'
* 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 'airGRiwrm' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... NOTE
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'plot.GRiwrm.R'
* 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 ... [1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s] OK
* checking whether the package can be unloaded cleanly ... [1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s] OK
* checking loading without being on the library search path ... [1s] 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 ... [8s] 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 LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [9s] ERROR
Running examples in 'airGRiwrm-Ex.R' failed
The error most likely occurred in:

> ### Name: mermaid
> ### Title: Plot a mermaid diagram
> ### Aliases: mermaid mermaid_gen_link plot.mermaid
> 
> ### ** Examples
> 
> ## Not run: 
> ##D diagram <- "flowchart LR\n  A --> B"
> ##D mermaid_gen_link(diagram)
> ##D f <- mermaid(diagram)
> ##D f
> ##D 
> ##D # For displaying the diagram in Rmarkdown document
> ##D knitr::include_graphics(mermaid(diagram))
> ##D 
> ##D # Clean temporary folder
> ##D unlink(f)
> ## End(Not run)
> 
> s <- "flowchart LR
+ A -> B"
> class(s) <- c("mermaid", class(s))
> plot(s)
Error in png::readPNG(path, native = TRUE) : 
  unable to open D:\temp\2025_12_17_01_50_00_18063\RtmpIT2bdQ/7b6ed8ff6d5194704bbfe2d06d9048e0.png
Calls: plot -> plot.mermaid -> plot_png -> <Anonymous>
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [31s] OK
  Running 'spelling.R' [0s]
  Running 'testthat.R' [31s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [140s] OK
* checking PDF version of manual ... [21s] OK
* checking HTML version of manual ... [9s] OK
* DONE
Status: 1 ERROR, 1 NOTE