Error(s) in re-building vignettes:
--- re-building ‘adding-tidiers.Rmd’ using rmarkdown
--- finished re-building ‘adding-tidiers.Rmd’

--- re-building ‘available-methods.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Joining, by = "class"
Joining, by = "class"
--- finished re-building ‘available-methods.Rmd’

--- re-building ‘bootstrapping.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 66-76 (bootstrapping.Rmd) 
Error: processing vignette 'bootstrapping.Rmd' failed with diagnostics:
could not find function "unnest"
--- failed re-building ‘bootstrapping.Rmd’

--- re-building ‘broom.Rmd’ using rmarkdown
Warning in wilcox.test.default(x = c(3.215, 3.44, 3.46, 3.57, 3.19, 3.15,  :
  cannot compute exact p-value with ties
--- finished re-building ‘broom.Rmd’

--- re-building ‘broom_and_dplyr.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Warning: All elements of `...` must be named.
Did you want `data = c(age, circumference)`?
Warning: All elements of `...` must be named.
Did you want `data = c(age, circumference)`?
Warning: The `.drop` argument of `unnest()` is deprecated as of tidyr 1.0.0.
All list-columns are now preserved.
This warning is displayed once every 8 hours.
Call `lifecycle::last_warnings()` to see where this warning was generated.
Warning: All elements of `...` must be named.
Did you want `data = c(age, circumference)`?
Warning: All elements of `...` must be named.
Did you want `data = c(mpg, cyl, disp, hp, drat, wt, qsec, vs, gear, carb)`?
Warning: All elements of `...` must be named.
Did you want `data = c(mpg, cyl, disp, hp, drat, wt, qsec, vs, gear, carb)`?
--- finished re-building ‘broom_and_dplyr.Rmd’

--- re-building ‘glossary.Rmd’ using rmarkdown
--- finished re-building ‘glossary.Rmd’

--- re-building ‘kmeans.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Warning: unnest() has a new interface. See ?unnest for details.
Try `df %>% unnest(c(x1, x2))`, with `mutate()` if needed
Warning: The `.drop` argument of `unnest()` is deprecated as of tidyr 1.0.0.
All list-columns are now preserved.
This warning is displayed once every 8 hours.
Call `lifecycle::last_warnings()` to see where this warning was generated.
--- finished re-building ‘kmeans.Rmd’

SUMMARY: processing the following file failed:
  ‘bootstrapping.Rmd’

Error: Vignette re-building failed.
Execution halted