* using log directory 'd:/Rcompile/CRANpkg/local/3.5/stagedtrees.Rcheck'
* using R version 3.5.3 (2019-03-11)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'stagedtrees/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'stagedtrees' version '1.0.2'
* 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 'stagedtrees' can be installed ... OK
* checking installed package size ... OK
* checking package 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 ... [9s] 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 examples ... ERROR
Running examples in 'stagedtrees-Ex.R' failed
The error most likely occurred in:

> ### Name: plot.sevt
> ### Title: Plot method for staged event trees
> ### Aliases: plot.sevt
> 
> ### ** Examples
> 
> 
> data("PhDArticles")
> mod <- bj.sevt(full(PhDArticles))
> 
> ### simple plotting
> plot(mod)
> 
> ### removing lables from nodes and edges and fill nodes
> plot(mod, cex.label.nodes = 0, cex.label.edges = 0, pch = 16)
> 
> ### reduce nodes size
> plot(mod, cex.nodes = 1)
> 
> ### change line width and nodes style
> plot(mod, lwd = 3, pch = 5)
> 
> ### changing palette
> plot(mod, col = function(s) heat.colors(length(s)))
> 
> ### or changing global palette
> palette(hcl.colors(10, "Harmonic"))
Error in hcl.colors(10, "Harmonic") : 
  could not find function "hcl.colors"
Calls: palette
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [10s] ERROR
  Running 'testthat.R' [10s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library("testthat")
  > library("stagedtrees")
  > 
  > test_check("stagedtrees")
  -- 1. Error: barplot_stages should accept col = function() (@test_plot.R#47)  --
  'hcl.colors' is not an exported object from 'namespace:grDevices'
  Backtrace:
    1. testthat::expect_silent(...)
    9. stagedtrees::barplot_stages(...)
   10. base::lapply(...)
   11. stagedtrees:::FUN(X[[i]], ...)
   12. stagedtrees:::col(unique(stages))
   13. grDevices::hcl.colors
   14. base::getExportedValue(pkg, name)
  
  == testthat results  ===========================================================
  [ OK: 561 | SKIPPED: 0 | WARNINGS: 0 | FAILED: 1 ]
  1. Error: barplot_stages should accept col = function() (@test_plot.R#47) 
  
  Error: testthat unit tests failed
  Execution halted
* checking PDF version of manual ... OK
* DONE
Status: 2 ERRORs