* installing *source* package ‘FluxSeparator’ ...
** this is package ‘FluxSeparator’ version ‘0.1.0’
** using staged installation
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
Error in library(devtools) : there is no package called ‘devtools’
Error: unable to load R code in package ‘FluxSeparator’
Execution halted
ERROR: lazy loading failed for package ‘FluxSeparator’
* removing ‘/srv/hornik/tmp/CRAN_pretest/FluxSeparator.Rcheck/FluxSeparator’