* using log directory 'd:/RCompile/CRANincoming/R-devel/ifc.Rcheck'
* using R version 4.6.0 beta (2026-04-10 r89860 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-04-11 03:11:07 UTC
* checking for file 'ifc/DESCRIPTION' ... OK
* this is package 'ifc' version '1.0.0'
* package encoding: UTF-8
* checking CRAN incoming feasibility ... ERROR
Maintainer: 'Kiernan Nicholls <k5cents@gmail.com>'

New submission

Conflicting package names (submitted: ifc, existing: IFC [https://bioconductor.statistik.tu-dortmund.de/cran/src/contrib])

Conflicting package names (submitted: ifc, existing: IFC [CRAN archive])

Possibly misspelled words in DESCRIPTION:
  IFC (8:59, 9:57, 11:27, 12:68)

Package has a VignetteBuilder field but no prebuilt vignette index.
* checking package namespace information ... OK
* checking package dependencies ... INFO
Vignette dependency required without any vignettes: 'knitr'
* 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 'ifc' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking for future file timestamps ... 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 code 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 whether startup messages can be suppressed ... 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 ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... 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 examples ... OK
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... OK
  Running 'spelling.R'
  Running 'testthat.R'
* checking PDF version of manual ... [12s] OK
* checking HTML version of manual ... OK
* DONE
Status: 1 ERROR