ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/backports’
Warning in install.packages :
installation of package ‘backports’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/assertthat’
Warning in install.packages :
installation of package ‘assertthat’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/lifecycle’
Warning in install.packages :
installation of package ‘lifecycle’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ellipsis’
I can't reproduce your issue, on a new project with R 4.0.0 install.packages("caret") installs successfully, Can you show your whole error message? Also, sharing your project's ID might be useful for RStudio people to check if there is something wrong on their side regarding your specific project.
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/mitml’
Warning in install.packages :
installation of package ‘mitml’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rgl’
Warning in install.packages :
installation of package ‘rgl’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/systemfit’
Warning in install.packages :
installation of package ‘systemfit’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/roxygen2’
Warning in install.packages :
installation of package ‘roxygen2’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/foghorn’
Warning in install.packages :
installation of package ‘foghorn’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/pkgdown’
Warning in install.packages :
installation of package ‘pkgdown’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rhub’
Warning in install.packages :
installation of package ‘rhub’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/forcats’
Warning in install.packages :
installation of package ‘forcats’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/AER’
Warning in install.packages :
installation of package ‘AER’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/network’
Warning in install.packages :
installation of package ‘network’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/tseries’
Warning in install.packages :
installation of package ‘tseries’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/bench’
Warning in install.packages :
installation of package ‘bench’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/nycflights13’
Warning in install.packages :
installation of package ‘nycflights13’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ggplot2’
Warning in install.packages :
installation of package ‘ggplot2’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/MLmetrics’
Warning in install.packages :
installation of package ‘MLmetrics’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/party’
Warning in install.packages :
installation of package ‘party’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/testthat’
Warning in install.packages :
installation of package ‘testthat’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/dplyr’
Warning in install.packages :
installation of package ‘dplyr’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/concaveman’
Warning in install.packages :
installation of package ‘concaveman’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/viridis’
Warning in install.packages :
installation of package ‘viridis’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/alphahull’
Warning in install.packages :
installation of package ‘alphahull’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ggforce’
Warning in install.packages :
installation of package ‘ggforce’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/intergraph’
Warning in install.packages :
installation of package ‘intergraph’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/dfidx’
Warning in install.packages :
installation of package ‘dfidx’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/alphashape3d’
Warning in install.packages :
installation of package ‘alphashape3d’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ggthemes’
Warning in install.packages :
installation of package ‘ggthemes’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/GGally’
Warning in install.packages :
installation of package ‘GGally’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/shinytest’
Warning in install.packages :
installation of package ‘shinytest’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/patchwork’
Warning in install.packages :
installation of package ‘patchwork’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/forecast’
Warning in install.packages :
installation of package ‘forecast’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/sampleSelection’
Warning in install.packages :
installation of package ‘sampleSelection’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/sna’
Warning in install.packages :
installation of package ‘sna’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/networkDynamic’
Warning in install.packages :
installation of package ‘networkDynamic’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/AmesHousing’
Warning in install.packages :
installation of package ‘AmesHousing’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/lintr’
Warning in install.packages :
installation of package ‘lintr’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/mockery’
Warning in install.packages :
installation of package ‘mockery’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ggbeeswarm’
Warning in install.packages :
installation of package ‘ggbeeswarm’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ggridges’
Warning in install.packages :
installation of package ‘ggridges’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/tidyr’
Warning in install.packages :
installation of package ‘tidyr’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ergm’
Warning in install.packages :
installation of package ‘ergm’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rstan’
Warning in install.packages :
installation of package ‘rstan’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/varImp’
Warning in install.packages :
installation of package ‘varImp’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/devtools’
Warning in install.packages :
installation of package ‘devtools’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/dbplyr’
Warning in install.packages :
installation of package ‘dbplyr’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/Lahman’
Warning in install.packages :
installation of package ‘Lahman’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/biclust’
Warning in install.packages :
installation of package ‘biclust’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/dendextend’
Warning in install.packages :
installation of package ‘dendextend’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/leaflet’
Warning in install.packages :
installation of package ‘leaflet’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/mlogit’
Warning in install.packages :
installation of package ‘mlogit’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/xergm.common’
Warning in install.packages :
installation of package ‘xergm.common’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/latentnet’
Warning in install.packages :
installation of package ‘latentnet’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/tergm’
Warning in install.packages :
installation of package ‘tergm’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ergm.count’
Warning in install.packages :
installation of package ‘ergm.count’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/ergm.userterms’
Warning in install.packages :
installation of package ‘ergm.userterms’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/recipes’
Warning in install.packages :
installation of package ‘recipes’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/bayesplot’
Warning in install.packages :
installation of package ‘bayesplot’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/plotly’
Warning in install.packages :
installation of package ‘plotly’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rsample’
Warning in install.packages :
installation of package ‘rsample’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/Hmisc’
Warning in install.packages :
installation of package ‘Hmisc’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/vdiffr’
Warning in install.packages :
installation of package ‘vdiffr’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/broom’
Warning in install.packages :
installation of package ‘broom’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/seriation’
Warning in install.packages :
installation of package ‘seriation’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/shinystan’
Warning in install.packages :
installation of package ‘shinystan’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rms’
Warning in install.packages :
installation of package ‘rms’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/mice’
Warning in install.packages :
installation of package ‘mice’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/btergm’
Warning in install.packages :
installation of package ‘btergm’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/geepack’
Warning in install.packages :
installation of package ‘geepack’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/caret’
Warning in install.packages :
installation of package ‘caret’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/heatmaply’
Warning in install.packages :
installation of package ‘heatmaply’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/DendSer’
Warning in install.packages :
installation of package ‘DendSer’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/miceadds’
Warning in install.packages :
installation of package ‘miceadds’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/brms’
Warning in install.packages :
installation of package ‘brms’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/rstanarm’
Warning in install.packages :
installation of package ‘rstanarm’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/BIFIEsurvey’
Warning in install.packages :
installation of package ‘BIFIEsurvey’ had non-zero exit status
ERROR: unable to create ‘/home/rstudio-user/R/x86_64-pc-linux-gnu-library/4.0/mdmb’
Warning in install.packages :
installation of package ‘mdmb’ had non-zero exit status
I've taken a look at your project and it seems you have installed too many packages and you have no disk space left. I recommend you start with a new project and installing only the packages you need for your specific task.