• using R version 4.2.3 (2023-03-15 ucrt)
• using platform: x86_64-w64-mingw32 (64-bit)
• using session charset: UTF-8
• checking for file 'migraph/DESCRIPTION' ... OK
• this is package 'migraph' version '1.0.1'
• package encoding: UTF-8
• 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 'migraph' can be installed ... OK
  See the install log for details.
• 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 ... 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 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 ... [15s] OK
• checking Rd files ... [1s] 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 ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of 'data' directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking R/sysdata.rda ... OK
• checking examples ... [7s] ERROR
  Running examples in 'migraph-Ex.R' failed
  The error most likely occurred in:
  
  > ### Name: core-periphery
  > ### Title: Core-periphery clustering algorithms
  > ### Aliases: core-periphery node_core
  >
  > ### ** Examples
  >
  > mpn_elite_usa_advice %>% as_tidygraph %>%
  + mutate(corep = node_core(mpn_elite_usa_advice)) %>%
  + autographr(node_color = "corep")
  The Rgraphviz package is required to run this function. Would you like to install Rgraphviz from BioConductor? (Yes/no/cancel)
  The BiocManager package is required to run this function. Would you like to install BiocManager from CRAN? (Yes/no/cancel)
  Installing package into 'D:/temp/RtmpiAdwbf/RLIBS_1fba036be72ec'
  (as 'lib' is unspecified)
  Error in contrib.url(repos, "source") :
    trying to use CRAN without setting a mirror
  Calls: %>% ... thisRequiresBio -> thisRequires -> <Anonymous> -> contrib.url
  Execution halted
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [38s] OK
    Running 'testthat.R' [38s]
• checking PDF version of manual ... OK
• DONE

Status: 1 ERROR