* using log directory 'd:/RCompile/CRANincoming/R-devel/scholar.Rcheck'
* using R Under development (unstable) (2025-06-22 r88341 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.2.0
    GNU Fortran (GCC) 14.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'scholar/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'scholar' version '0.2.5'
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [12s] OK
* 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 'scholar' can be installed ... OK
* checking installed package size ... OK
* 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 ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking whether startup messages can be suppressed ... 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 ... [12s] OK
* checking Rd files ... 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 R/sysdata.rda ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... ERROR
Running examples in 'scholar-Ex.R' failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: compare_scholar_careers
> ### Title: Compare the careers of multiple scholars
> ### Aliases: compare_scholar_careers
> 
> ### ** Examples
> 
> {
+     ## How do Richard Feynmann and Stephen Hawking compare?
+     # Compare Feynman and Stephen Hawking
+     ids <- c("B7vSqZsAAAAJ", "qj74uXkAAAAJ")
+     df <- compare_scholar_careers(ids)
+ }
Error in data.frame(..., check.names = FALSE) : 
  arguments imply differing number of rows: 1, 0
Calls: compare_scholar_careers -> lapply -> FUN -> cbind -> cbind -> data.frame
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... OK
  Running 'spelling.R'
  Running 'testthat.R'
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... ERROR
Error(s) in re-building vignettes:
--- re-building 'scholar.Rmd' using rmarkdown

Quitting from scholar.Rmd:34-48 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `l$name`:
! $ operator is invalid for atomic vectors
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'scholar.Rmd' failed with diagnostics:
$ operator is invalid for atomic vectors
--- failed re-building 'scholar.Rmd'

SUMMARY: processing the following file failed:
  'scholar.Rmd'

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... [21s] OK
* checking HTML version of manual ... OK
* DONE
Status: 2 ERRORs