Running examples in ‘GRANCore-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: logfile
> ### Title: Log file location of a GRAN (sub) repository
> ### Aliases: logfile logfile-method,GRANRepository
> ###   logfile,GRANRepository-method logfile,RepoBuildParam-method
> ###   dep_repos,GRANRepository-method dep_repos,RepoBuildParam repo_name
> ###   repo_name,GRANRepository-method repo_name,GRANRepository temp_repo
> ###   temp_repo,GRANRepository-method temp_repo,GRANRepository
> ###   check_warn_ok check_warn_ok,GRANRepository-method
> ###   check_warn_ok,GRANRepository check_note_ok
> ###   check_note_ok,GRANRepository-method check_note_ok,GRANRepository
> ###   suspended_pkgs suspended_pkgs,GRANRepository-method
> ###   suspended_pkgs,GRANRepository suspended_pkgs<-
> ###   suspended_pkgs<-,GRANRepository-method
> ###   suspended_pkgs<-,GRANRepository sh_init_script,GRANRepository-method
> ###   sh_init_script,GRANRepository sh_init_script<-,GRANRepository-method
> ###   sh_init_script<-,GRANRepository extra_fun
> ###   extra_fun,GRANRepository-method check_test_on
> ###   check_test_on,RepoBuildParam-method check_test_on,RepoBuildParam
> ###   check_test_on,GRANRepository-method check_test_on,GRANRepository
> ###   install_test_on install_test_on,RepoBuildParam-method
> ###   install_test_on,RepoBuildParam install_test_on,GRANRepository-method
> ###   install_test_on,GRANRepository logfun,GRANRepository-method
> ###   logfun,GRANRepository logfun<-,GRANRepository-method
> ###   logfun<-,GRANRepository use_cran_granbase use_cran_granbase<-
> ###   use_cran_granbase,GRANRepository-method
> ###   use_cran_granbase,GRANRepository
> ###   use_cran_granbase<-,GRANRepository-method
> ###   use_cran_granbase<-,GRANRepository
> ###   use_cran_granbase,RepoBuildParam-method
> ###   use_cran_granbase,RepoBuildParam
> ###   use_cran_granbase<-,RepoBuildParam-method
> ###   use_cran_granbase<-,RepoBuildParam check_timeout check_timeout<-
> ###   check_timeout,GRANRepository-method check_timeout,GRANRepository
> ###   check_timeout<-,GRANRepository-method check_timeout<-,GRANRepository
> ###   check_timeout,RepoBuildParam-method check_timeout,RepoBuildParam
> ###   check_timeout<-,RepoBuildParam-method check_timeout<-,RepoBuildParam
> ###   build_timeout build_timeout<- build_timeout,GRANRepository-method
> ###   build_timeout,GRANRepository build_timeout<-,GRANRepository-method
> ###   build_timeout<-,GRANRepository build_timeout,RepoBuildParam-method
> ###   build_timeout,RepoBuildParam build_timeout<-,RepoBuildParam-method
> ###   build_timeout<-,RepoBuildParam pkg_log_dir
> ###   pkg_log_dir,RepoBuildParam-method pkg_log_dir,RepoBuildParam
> ###   pkg_log_dir,GRANRepository-method pkg_log_dir,GRANRepository
> ###   pkg_log_file pkg_log_file,ANY,RepoBuildParam-method
> ###   pkg_log_file,RepoBuildParam pkg_log_file,ANY,GRANRepository-method
> ###   pkg_log_file,GRANRepository
> 
> ### ** Examples
> 
> repo = GRANRepository(GithubManifest("gmbecker/fastdigest"), basedir = tempdir())
Error: Bioconductor version '3.10' requires R version '3.6'; see
  https://bioconductor.org/install
Execution halted