...
...
...
++ cat output160626-153457.csv
++ Rscript benchmark/compare.R
Error: package or namespace load failed for ‘ggplot2’ in dyn.load(file, DLLpath = DLLpath, ...):
unable to load shared object '/usr/local/lib/R/site-library/rlang/libs/rlang.so':
/usr/local/lib/R/site-library/rlang/libs/rlang.so: undefined symbol: SETLENGTH
Execution halted
see e.g. https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/1872