* using log directory 'd:/Rcompile/CRANpkg/local/3.6/clustree.Rcheck'
* using R version 3.6.3 (2020-02-29)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'clustree/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'clustree' version '0.4.3'
* 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 'clustree' can be installed ... OK
* 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 R 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 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 ... [10s] OK
* checking Rd files ... 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 ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [6s] OK
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [38s] ERROR
  Running 'spelling.R' [1s]
  Running 'testthat.R' [37s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(clustree)
  Loading required package: ggraph
  Loading required package: ggplot2
  > 
  > test_check("clustree")
  == Skipped tests ===============================================================
  * Seurat cannot be loaded (8)
  
  [ FAIL 0 | WARN 1 | SKIP 8 | PASS 85 ]
  > 
  > proc.time()
     user  system elapsed 
    33.15    1.43   37.08 
  
  runtime error R6031
  - Attempt to initialize the CRT more than once.
  This indicates a bug in your application.
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [66s] WARNING
Error(s) in re-building vignettes:
--- re-building 'clustree.Rmd' using rmarkdown
--- finished re-building 'clustree.Rmd'


runtime error R6031
- Attempt to initialize the CRT more than once.
This indicates a bug in your application.

* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR, 1 WARNING