* using log directory 'd:/Rcompile/CRANpkg/local/3.6/nc.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 'nc/DESCRIPTION' ... OK
* this is package 'nc' version '2020.8.6'
* 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 'nc' 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 ... [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 installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [8s] OK
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [16s] ERROR
  Running 'testthat.R' [15s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > if(require(testthat))test_check("nc")
  Loading required package: testthat
  Loading required package: nc
  == Failed tests ================================================================
  -- Error (test-CRAN-df.R:8:3): RE2 default/specified engine respected ----------
  Error: problem for subject column f: Error in stop_for_subject(subject): subject has class=factor and length=1 but should be a character vector with length>0
  
  Backtrace:
      x
   1. \-nc::capture_first_df(...) test-CRAN-df.R:8:2
   2.   \-base::tryCatch(...)
   3.     \-base:::tryCatchList(expr, classes, parentenv, handlers)
   4.       \-base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5.         \-value[[3L]](cond)
  -- Error (test-CRAN-df.R:8:3): ICU default/specified engine respected ----------
  Error: problem for subject column f: Error in stop_for_subject(subject): subject has class=factor and length=1 but should be a character vector with length>0
  
  Backtrace:
      x
   1. \-nc::capture_first_df(...) test-CRAN-df.R:8:2
   2.   \-base::tryCatch(...)
   3.     \-base:::tryCatchList(expr, classes, parentenv, handlers)
   4.       \-base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5.         \-value[[3L]](cond)
  -- Error (test-CRAN-df.R:8:3): PCRE default/specified engine respected ---------
  Error: problem for subject column f: Error in stop_for_subject(subject): subject has class=factor and length=1 but should be a character vector with length>0
  
  Backtrace:
      x
   1. \-nc::capture_first_df(...) test-CRAN-df.R:8:2
   2.   \-base::tryCatch(...)
   3.     \-base:::tryCatchList(expr, classes, parentenv, handlers)
   4.       \-base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5.         \-value[[3L]](cond)
  -- Error (test-CRAN-subject.R:21:3): capture_first_df does not use s arg for subject --
  Error: problem for subject column x: Error in stop_for_subject(subject): subject has class=factor and length=1 but should be a character vector with length>0
  
  Backtrace:
      x
   1. \-nc::capture_first_df(subject, x = list(s = "\\S+$")) test-CRAN-subject.R:21:2
   2.   \-base::tryCatch(...)
   3.     \-base:::tryCatchList(expr, classes, parentenv, handlers)
   4.       \-base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5.         \-value[[3L]](cond)
  
  [ FAIL 4 | WARN 0 | SKIP 0 | PASS 543 ]
  Error: Test failures
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [24s] OK
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR