* using log directory 'd:/Rcompile/CRANpkg/local/3.5/prismatic.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 'prismatic/DESCRIPTION' ... OK
* this is package 'prismatic' version '0.2.0'
* 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 'prismatic' 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 ... [5s] 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 R/sysdata.rda ... OK
* checking examples ... ERROR
Running examples in 'prismatic-Ex.R' failed
The error most likely occurred in:

> ### Name: clr_grayscale
> ### Title: Transform colors to greyscale
> ### Aliases: clr_grayscale clr_greyscale
> 
> ### ** Examples
> 
> 
> plot(clr_grayscale(rainbow(10)))
> 
> plot(clr_grayscale(terrain.colors(10)))
> 
> plot(clr_grayscale(hcl.colors(10), method = "luma"))
Error in hcl.colors(10) : could not find function "hcl.colors"
Calls: plot -> clr_grayscale -> color
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [6s] OK
  Running 'testthat.R' [6s]
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR