In R version 4.0.0 library path not writable

I believe this issue persists. See https://travis-ci.com/github/sfirke/janitor/builds/184403579, my package (which does not use anything Bioconductor related) passes on R devel and Xenial but not R release, the error is:

$ Rscript -e ‘update.packages(ask = FALSE)’

Warning in install.packages(update[instlib == l, “Package”], l, contriburl = contriburl, :

‘lib = “/opt/R/4.0.2/lib/R/library”’ is not writable

Error in install.packages(update[instlib == l, “Package”], l, contriburl = contriburl, :

unable to install packages

I have not made substantial changes to the package, it was passing previously but started failing because Trusty was no longer supported so I switched to Xenial.

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