* using log directory ‘/srv/hornik/tmp/CRAN_pretest/mmstat4.Rcheck’
* using R Under development (unstable) (2024-09-06 r87101)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 18.1.8 (9)
    Debian flang-new version 18.1.8 (9)
* running under: Debian GNU/Linux trixie/sid
* using session charset: UTF-8
* checking for file ‘mmstat4/DESCRIPTION’ ... OK
* this is package ‘mmstat4’ version ‘0.2.3’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [4s/5s] Note_to_CRAN_maintainers
Maintainer: ‘Sigbert Klinke <sigbert@hu-berlin.de>’
* 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 ‘mmstat4’ can be installed ... [5s/5s] OK
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... NOTE
Author field differs from that derived from Authors@R
  Author:    ‘Sigbert Klinke [aut, cre] (<https://orcid.org/0000-0003-3337-1863>), Jekaterina Zukovska [ctb] (<https://orcid.org/0000-0002-7753-9210>)’
  Authors@R: ‘Sigbert Klinke [aut, cre] (ORCID: <https://orcid.org/0000-0003-3337-1863>), Jekaterina Zukovska [ctb] (ORCID: <https://orcid.org/0000-0002-7753-9210>)’

* 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 ... [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] NOTE
Warning in fun(libname, pkgname) :
  Virtual environment `r-reticulate` is missing, run `r_reticulate()`

A namespace must be able to be loaded with just the base namespace
loaded: otherwise if the namespace gets loaded by a saved object, the
session will be unable to start.

Probably some imports need to be declared in the NAMESPACE file.
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [1s/1s] OK
* checking whether startup messages can be suppressed ... [1s/1s] 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 ... [9s/9s] 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 installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [6s/7s] ERROR
Running examples in ‘mmstat4-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: r_reticulate
> ### Title: r_reticulate
> ### Aliases: r_reticulate
> 
> ### ** Examples
> 
> r_reticulate()
Warning in check_forbidden_install("Python Virtual Environments") :
  cannot install Python Virtual Environments during R CMD check
Using Python: /usr/bin/python3.12
Creating virtual environment 'r-reticulate' ... 
+ /usr/bin/python3.12 -m venv /home/hornik/.virtualenvs/r-reticulate
The virtual environment was not created successfully because ensurepip is not
available.  On Debian/Ubuntu systems, you need to install the python3-venv
package using the following command.

    apt install python3.12-venv

You may need to use sudo with that command.  After installing the python3-venv
package, recreate your virtual environment.

Failing command: /home/hornik/.virtualenvs/r-reticulate/bin/python3.12

FAILED
Error: Error creating virtual environment 'r-reticulate' [error code 1]
Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [7s/12s] OK
* 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: 1 ERROR, 2 NOTEs