* using log directory ‘/Users/ripley/R/packages/tests-devel/uqr.Rcheck’
* using R Under development (unstable) (2021-01-31 r79912)
* using platform: aarch64-apple-darwin20.2.0 (64-bit)
* using session charset: UTF-8
* using option ‘--no-stop-on-test-error’
* checking for file ‘uqr/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘uqr’ version ‘1.0.0’
* 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 executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘uqr’ can be installed ... [5s/13s] 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 ... NOTE
Namespace in Imports field not imported from: ‘base’
  All declared Imports should be used.
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... 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 ‘uqr-Ex.R’ failed
The error most likely occurred in:

> ### Name: urqCI
> ### Title: Inference for Unconditional Quantile Regression
> ### Aliases: urqCI
> 
> ### ** Examples
> 
> ### example for cross-sectional data ###
> 
> data(engel)
> formula=foodexp ~ income
> rifreg=urq(formula=formula,data=engel)
> summary=urqCI(urq = rifreg,R = 10,graph = TRUE,seed = 1234)
Bootstrapping
Number of replications is small, please consider increasing it.Error in cairo_pdf(height = 7, width = 10, onefile = T) : 
  cairo_pdf: Cairo-based devices are not available for this platform
Calls: urqCI -> cairo_pdf
Execution halted
* checking PDF version of manual ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR, 1 NOTE
See
  ‘/Users/ripley/R/packages/tests-devel/uqr.Rcheck/00check.log’
for details.

       38.21 real        31.98 user         4.34 sys