* using log directory ‘/srv/hornik/tmp/CRAN/xgboost.Rcheck’
* using R Under development (unstable) (2023-09-11 r85126)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 16.0.6 (11)
    GNU Fortran (Debian 13.2.0-2) 13.2.0
* running under: Debian GNU/Linux trixie/sid
* using session charset: UTF-8
* checking for file ‘xgboost/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘xgboost’ version ‘2.0.0.1’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [5s/7s] Note_to_CRAN_maintainers
Maintainer: ‘Jiaming Yuan <jm.yuan@outlook.com>’
* 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 serialization versions ... OK
* checking whether package ‘xgboost’ can be installed ... [328s/328s] OK
* used C compiler: ‘Debian clang version 16.0.6 (13)’
* used C++ compiler: ‘Debian clang version 16.0.6 (13)’
* checking C++ specification ... OK
  Not all R platforms support C++17
* checking package directory ... OK
* checking for future file timestamps ... 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 ... [1s/1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the package can be unloaded cleanly ... [1s/1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [1s/1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... NOTE
Mismatches for apparent methods not registered:
format:
  function(x, ...)
format.eval.string:
  function(iter, eval_res, eval_err)
See section ‘Registering S3 methods’ in the ‘Writing R Extensions’
manual.
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [8s/8s] OK
* checking Rd files ... [0s/0s] 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 contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... [1s/1s] OK
* checking data for ASCII and uncompressed saves ... OK
* checking line endings in shell scripts ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking use of SHLIB_OPENMP_*FLAGS in Makefiles ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking sizes of PDF files under ‘inst/doc’ ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [79s/10s] NOTE
Examples with CPU (user + system) or elapsed time > 5s
                   user system elapsed
xgb.plot.deepness 9.057  0.275   1.081
xgb.plot.shap     7.498  0.164   1.041
Examples with CPU time > 2.5 times elapsed time
                      user system elapsed  ratio
xgb.config           1.330  0.064   0.043 32.419
xgb.model.dt.tree    2.210  0.059   0.071 31.958
xgb.DMatrix          1.167  0.036   0.038 31.658
xgb.train            0.985  0.057   0.095 10.968
xgb.plot.multi.trees 3.383  0.063   0.378  9.116
xgb.plot.deepness    9.057  0.275   1.081  8.633
xgb.plot.shap        7.498  0.164   1.041  7.360
xgb.plot.importance  1.297  0.049   0.352  3.824
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... [353s/46s] NOTE
  Running ‘testthat.R’ [353s/45s]
Running R code in ‘testthat.R’ had CPU time 7.8 times elapsed time
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in ‘inst/doc’ ... OK
* checking re-building of vignette outputs ... [80s/11s] NOTE
Re-building vignettes had CPU time 7.4 times elapsed time
* checking PDF version of manual ... [3s/3s] OK
* checking HTML version of manual ... [1s/1s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 4 NOTEs