• using R version 4.3.0 alpha (2023-03-26 r84066 ucrt)
• using platform: x86_64-w64-mingw32 (64-bit)
• R was compiled by
      gcc.exe (GCC) 12.2.0
      GNU Fortran (GCC) 12.2.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'matrixcalc/DESCRIPTION' ... OK
• this is package 'matrixcalc' version '1.0-6'
• 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 'matrixcalc' 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 ... [0s] OK
• checking whether the package can be loaded with stated dependencies ... [0s] OK
• checking whether the package can be unloaded cleanly ... [0s] OK
• checking whether the namespace can be loaded with stated dependencies ... [0s] OK
• checking whether the namespace can be unloaded cleanly ... [1s] OK
• checking loading without being on the library search path ... [0s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... WARNING
  Mingw-w64 runtime failure:
    VirtualProtect failed with code 0x5af
  See section 'Generic functions and methods' in the 'Writing R
  Extensions' manual.
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [5s] NOTE
  Fatal error: couldn't allocate node stack
  
• checking Rd files ... [4s] 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 ...