• using R version 3.6.2 (2019-12-12)
• using platform: x86_64-apple-darwin15.6.0 (64-bit)
• using session charset: UTF-8
• checking for file ‘qtbase/DESCRIPTION’ ... OK
• this is package ‘qtbase’ version ‘1.0.14’
• 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 whether package ‘qtbase’ can be installed ... [1s/1s] ERROR
  Installation failed.
  See ‘/Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/results/3.6/qtbase.Rcheck/00install.out’ for details.
• DONE
  Status: 1 ERROR
  * pre-conf. environment: (PKG_CFLAGS=, PKG_CPPFLAGS=, PKG_LIBS=)
  
  See https://www.r-project.org/nosvn/R.check/r-oldrel-macos-x86_64/qtbase-00install.html for details.