Trouble installing tidyverse package

Hello, I'm new to R and am having trouble installing the tidyverse package. I see some error messages in my console but I don't understand what is significant, so I've copied and pasted it down below. Would anyone be able to help out? Thanks!

> install.packages("tidyverse")
also installing the dependencies ‘vctrs’, ‘ps’, ‘glue’, ‘Rcpp’, ‘fansi’, ‘pillar’, ‘processx’, ‘knitr’, ‘yaml’, ‘dplyr’, ‘purrr’, ‘rlang’, ‘tibble’, ‘tidyselect’, ‘ellipsis’, ‘tidyr’, ‘callr’, ‘fs’, ‘rmarkdown’, ‘selectr’, ‘stringi’, ‘broom’, ‘dbplyr’, ‘forcats’, ‘ggplot2’, ‘lubridate’, ‘modelr’, ‘reprex’, ‘rvest’, ‘stringr’


  There are binary versions available but the source versions are later:
            binary source needs_compilation
glue         1.2.0  1.3.1              TRUE
Rcpp       0.12.14  1.0.1              TRUE
processx   2.0.0.1  3.3.1              TRUE
knitr         1.18   1.23             FALSE
yaml        2.1.16  2.2.0              TRUE
dplyr        0.7.4  0.8.1              TRUE
purrr        0.2.4  0.3.2              TRUE
rlang        0.1.6  0.4.0              TRUE
tibble       1.3.4  2.1.3              TRUE
tidyselect   0.2.3  0.2.5              TRUE
tidyr        0.7.2  0.8.3              TRUE
callr        1.0.0  3.2.0             FALSE
rmarkdown      1.8   1.13             FALSE
selectr      0.3-1  0.4-1             FALSE
stringi      1.1.6  1.4.3             FALSE
broom        0.4.3  0.5.2             FALSE
dbplyr       1.1.0  1.4.2             FALSE
forcats      0.2.0  0.4.0             FALSE
ggplot2      2.2.1  3.2.0             FALSE
lubridate    1.6.0  1.7.4              TRUE
modelr       0.1.1  0.1.4             FALSE
rvest        0.3.2  0.3.4             FALSE
stringr      1.2.0  1.4.0             FALSE
tidyverse    1.1.1  1.2.1             FALSE

Do you want to install from sources the packages which need compilation?
y/n: y
Packages which are only available in source form, and may need compilation of C/C++/Fortran: ‘vctrs’ ‘ps’ ‘fansi’ ‘ellipsis’ ‘fs’
Do you want to attempt to install these from sources?
y/n: y
installing the source packages ‘vctrs’, ‘ps’, ‘glue’, ‘Rcpp’, ‘fansi’, ‘pillar’, ‘processx’, ‘knitr’, ‘yaml’, ‘dplyr’, ‘purrr’, ‘rlang’, ‘tibble’, ‘tidyselect’, ‘ellipsis’, ‘tidyr’, ‘callr’, ‘fs’, ‘rmarkdown’, ‘selectr’, ‘stringi’, ‘broom’, ‘dbplyr’, ‘forcats’, ‘ggplot2’, ‘lubridate’, ‘modelr’, ‘reprex’, ‘rvest’, ‘stringr’, ‘tidyverse’

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  402k  100  402k    0     0  15000      0 k      0 --:--:-- --:--:-- --:--:-- 1503k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  255k  100     0    0 0  255k    0     0  1219k      0 --:--:-- --:--:-- --:--:-- 1223k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  120k  100  120k    0     0   729k      0 --:--:-- --:--:-- --:--:--  732k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0  100 3575k  100 3575k    0     0  7956k      0 --:--:-- --:--:-- --:--:-- 7945k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  259k  100  259k    0     0  1516k      0 --:--:-- --:--:-- --:--:-- 1519k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  223k  100  223k    0     0  1148k      0 --:--:-- --:--:-- --:--:-- 1150k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  105k  1 0     0    0     0   100  105k  100  105k    0     0   419k      0 --:--:-- --:--:--:-- --:--:-- --:--:--  418k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  859k  1 0     0    00  859k    0     0  3609k      0 --:--:-- --:--:-- --:--:--    -:--:-- 3626k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 89447  100 89447    0     0   428k      0 --:--:-- --:--:-- --:--:--  430k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
 11 1143k   11  1100 1143k  100 1143k    0     0  2527k      0  0:00:02 --:--: --:--:--     --:--:-- --:--:-- --:--:-- 2523k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  364k  100  364k    0     0  1543k      0 --:--:-- --:--:-- --:--:-- 1546k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  839k  100  839k    0     0  2805k      0 --:--:-- --:--:-- --:--:--     0
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
 62  303k   62  191k    0     0   728k      0 --100  303k    0 --:--:-- --:--:-- --:--:-- 1064k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 21883     100 21883    0     0   177k      0 --:--:-- ---:--:-- --:--:--    --  178k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  7035  100     035    0     0  60456      0 -   0 --:--:-- --:--:-- --:--:-- 60646
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  374k  100  374k    0     0  1710k      0 --:--:-- --:--:-- --:--:-- 1712k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 42563  1 0     42563    0     0   300k         0 --:--:-- --:--:-- --:--:--  301k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  793k  100  793k    0     0  2263k      0 --:--:-- --:--:-- --:--:-- 2261k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 3081k  100 3081k    0     0  6773k      0 --:--:--       0 --:--:-- --:--:-- --:--:-- 6786k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 42971  100 42971    0     0   330k      0 --:--:-- --:--:-- --:--:--  333k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 7120100 7120k  100 32367    0 0 7120k    0     0  9722k      0 --:--:-- --:--:-- --:-
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1202k  100 1202k    0     0  4269k      0 --:--:-- --:--:-- --:--:-- 4278k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:-100  296k  100  296k   
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  249k  100  249k    0         0  1329k         0 --:--:-- --:---:--:-- --:--:-- 1332k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
 32 3119k   32 1023k    0     0  1861k      0  0:00:01 --:--:--  0:00:01 1860k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  439k  100  439k    0     0  1218k      0 --:--:-- --:--:-- --:--:-- 1216k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  1180    k  100  118k    0     0   764k      0 --:--:--:--:-- --:--:-- --:--:--  768k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1027k  100 1027k    0     0      0  0  3972k      0 --:--:-- --:--:-- --- 3984k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
 16 1592k   16  255k    0     0  1028k      01592k  100 1592k      0 --:--:-- --:--:--  0:00:01 1028k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  132k    0  100  132k    0     0   798k      0 --:--:-- --:-:--:-- --:--:--  803k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 61647  100 61647    0     0   424k      0 --:--:-- --:--:-- --:--:--  426k
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘ps’ ...
** package ‘ps’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘ps’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/ps’
Warning in install.packages :
  installation of package ‘ps’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘glue’ ...
** package ‘glue’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘glue’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/glue’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/glue’
Warning in install.packages :
  installation of package ‘glue’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘Rcpp’ ...
** package ‘Rcpp’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘Rcpp’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/Rcpp’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/Rcpp’
Warning in install.packages :
  installation of package ‘Rcpp’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘fansi’ ...
** package ‘fansi’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘fansi’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/fansi’
Warning in install.packages :
  installation of package ‘fansi’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘yaml’ ...
** package ‘yaml’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘yaml’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/yaml’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/yaml’
Warning in install.packages :
  installation of package ‘yaml’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘rlang’ ...
** package ‘rlang’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘rlang’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/rlang’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/rlang’
Warning in install.packages :
  installation of package ‘rlang’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘stringi’ ...
** package ‘stringi’ successfully unpacked and MD5 sums checked
checking for R_HOME... /Library/Frameworks/R.framework/Resources
checking for R... /Library/Frameworks/R.framework/Resources/bin/R
checking for endianness... little
checking for R >= 3.1.0 for C++11 use... yes
checking for R < 3.4.0 for CXX1X flag use... yes
checking for cat... /bin/cat
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

checking for local ICUDT_DIR... icu61/data
checking for gcc... gcc
checking whether the C compiler works... no
configure: error: in `/private/var/folders/_f/1yhv2xv10fl_rtth_ry85tcm0000gn/T/RtmpSUAGOY/R.INSTALLc06116fed0bf/stringi':
configure: error: C compiler cannot create executables
See `config.log' for more details
ERROR: configuration failed for package ‘stringi’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/stringi’
Warning in install.packages :
  installation of package ‘stringi’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘vctrs’ ...
** package ‘vctrs’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘vctrs’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/vctrs’
Warning in install.packages :
  installation of package ‘vctrs’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘ps’ is not available for package ‘processx’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/processx’
Warning in install.packages :
  installation of package ‘processx’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘purrr’ ...
** package ‘purrr’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘purrr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/purrr’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/purrr’
Warning in install.packages :
  installation of package ‘purrr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘ellipsis’ ...
** package ‘ellipsis’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘ellipsis’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/ellipsis’
Warning in install.packages :
  installation of package ‘ellipsis’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘fs’ ...
** package ‘fs’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘fs’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/fs’
Warning in install.packages :
  installation of package ‘fs’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘stringi’ is not available for package ‘stringr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/stringr’
Warning in install.packages :
  installation of package ‘stringr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘fansi’, ‘vctrs’ are not available for package ‘pillar’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/pillar’
Warning in install.packages :
  installation of package ‘pillar’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘stringr’ is not available for package ‘knitr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/knitr’
Warning in install.packages :
  installation of package ‘knitr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
* installing *source* package ‘tidyselect’ ...
** package ‘tidyselect’ successfully unpacked and MD5 sums checked
** libs
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
ERROR: compilation failed for package ‘tidyselect’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/tidyselect’
* restoring previous ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/tidyselect’
Warning in install.packages :
  installation of package ‘tidyselect’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘processx’ is not available for package ‘callr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/callr’
Warning in install.packages :
  installation of package ‘callr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘stringr’ is not available for package ‘selectr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/selectr’
Warning in install.packages :
  installation of package ‘selectr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘stringr’ is not available for package ‘lubridate’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/lubridate’
Warning in install.packages :
  installation of package ‘lubridate’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘fansi’, ‘pillar’ are not available for package ‘tibble’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/tibble’
Warning in install.packages :
  installation of package ‘tibble’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘knitr’, ‘stringr’ are not available for package ‘rmarkdown’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/rmarkdown’
Warning in install.packages :
  installation of package ‘rmarkdown’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘selectr’ is not available for package ‘rvest’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/rvest’
Warning in install.packages :
  installation of package ‘rvest’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘tibble’ is not available for package ‘dplyr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/dplyr’
Warning in install.packages :
  installation of package ‘dplyr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘ellipsis’, ‘tibble’ are not available for package ‘forcats’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/forcats’
Warning in install.packages :
  installation of package ‘forcats’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependency ‘tibble’ is not available for package ‘ggplot2’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/ggplot2’
Warning in install.packages :
  installation of package ‘ggplot2’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘callr’, ‘fs’, ‘rmarkdown’ are not available for package ‘reprex’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/reprex’
Warning in install.packages :
  installation of package ‘reprex’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘dplyr’, ‘stringi’, ‘tibble’ are not available for package ‘tidyr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/tidyr’
Warning in install.packages :
  installation of package ‘tidyr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘dplyr’, ‘tibble’ are not available for package ‘dbplyr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/dbplyr’
Warning in install.packages :
  installation of package ‘dbplyr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘dplyr’, ‘stringr’, ‘tibble’, ‘tidyr’ are not available for package ‘broom’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/broom’
Warning in install.packages :
  installation of package ‘broom’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘broom’, ‘dplyr’, ‘tibble’, ‘tidyr’ are not available for package ‘modelr’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/modelr’
Warning in install.packages :
  installation of package ‘modelr’ had non-zero exit status
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/America/Chicago'
ERROR: dependencies ‘broom’, ‘dplyr’, ‘dbplyr’, ‘forcats’, ‘ggplot2’, ‘lubridate’, ‘modelr’, ‘reprex’, ‘rvest’, ‘stringr’, ‘tibble’, ‘tidyr’ are not available for package ‘tidyverse’
* removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/tidyverse’
Warning in install.packages :
  installation of package ‘tidyverse’ had non-zero exit status

The downloaded source packages are in
	‘/private/var/folders/_f/1yhv2xv10fl_rtth_ry85tcm0000gn/T/Rtmpn19Uhd/downloaded_packages’
> 

I might be wrong, but I'm pretty sure this is the key error message.

I'm pretty sure this indicates your using a mac, and need to install xcode. Here are step by step instructions;

Once youve got xcode, retry updating tidyverse

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