Running 'spelling.R' [0s]
  Running 'testthat.R' [3s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(visdat)
  > 
  > test_check("visdat")
  -- 1. Error: (unknown) (@test-test-vis-miss-one-col.R#7)  ----------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. visdat::vis_miss(df)
    9. visdat:::vis_gather_(.)
   10. dplyr::mutate(., rows = dplyr::row_number())
   18. base::getExportedValue(pkg, name)
   19. base::asNamespace(ns)
   20. base::getNamespace(ns)
   21. base::loadNamespace(name)
   22. base::library.dynam(lib, package, package.lib)
  
  -- 2. Error: (unknown) (@test-vis-compare.R#8)  --------------------------------
  `map2_dfr()` requires dplyr
  Backtrace:
   1. visdat::vis_compare(iris, iris_diff)
   2. purrr::map2_df(df1, df2, v_identical)
  
  -- 3. Error: (unknown) (@test-vis-cor.R#4)  ------------------------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. visdat::vis_cor(airquality)
    5. visdat::gather_cor(data, cor_method, na_action)
    3. stats::cor(data, method = cor_method, use = na_action)
    3. base::as.data.frame(.)
    3. tibble::rownames_to_column(.)
   10. tidyr::gather(., key = "key", value = "value", -rowname)
   14. base::getExportedValue(pkg, name)
   15. base::asNamespace(ns)
   16. base::getNamespace(ns)
   17. base::loadNamespace(name)
   20. base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
   21. base::library.dynam(lib, package, package.lib)
  
  -- 4. Error: (unknown) (@test-vis-dat.R#4)  ------------------------------------
  `map_df()` requires dplyr
  Backtrace:
   1. visdat::vis_dat(typical_data)
   9. purrr::map_df(., fingerprint)
  
  -- 5. Error: (unknown) (@test-vis-expect.R#13)  --------------------------------
  `map_dfc()` requires dplyr
  Backtrace:
   1. visdat::vis_expect(dat_test, ~.x == -1)
   2. visdat:::expect_frame(data, expectation)
   3. purrr::map_dfc(data, my_fun)
  
  -- 6. Error: (unknown) (@test-vis-guess.R#4)  ----------------------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. visdat::vis_guess(typical_data)
    7. visdat:::vis_gather_(x)
   10. dplyr::mutate(., rows = dplyr::row_number())
   16. base::getExportedValue(pkg, name)
   17. base::asNamespace(ns)
   18. base::getNamespace(ns)
   19. base::loadNamespace(name)
   20. base::library.dynam(lib, package, package.lib)
  
  nrows =  1000 ncols =  1000-- 7. Error: (unknown) (@test-vis-miss.R#4)  -----------------------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. visdat::vis_miss(typical_data)
    9. visdat:::vis_gather_(.)
   10. dplyr::mutate(., rows = dplyr::row_number())
   18. base::getExportedValue(pkg, name)
   19. base::asNamespace(ns)
   20. base::getNamespace(ns)
   21. base::loadNamespace(name)
   22. base::library.dynam(lib, package, package.lib)
  
  -- 8. Error: (unknown) (@test-visdat-internals.R#3)  ---------------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. base::suppressWarnings(vis_gather_(typical_data))
    3. visdat:::vis_gather_(typical_data)
   10. dplyr::mutate(., rows = dplyr::row_number())
   12. base::getExportedValue(pkg, name)
   13. base::asNamespace(ns)
   14. base::getNamespace(ns)
   15. base::loadNamespace(name)
   16. base::library.dynam(lib, package, package.lib)
  
  -- 9. Error: miss_guide_label works for some missings (@test-vismiss-legend.R#43
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. testthat::expect_equal(...)
    4. tidyr::extract_numeric
    5. base::getExportedValue(pkg, name)
    6. base::asNamespace(ns)
    7. base::getNamespace(ns)
    8. base::loadNamespace(name)
   11. base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
   12. base::library.dynam(lib, package, package.lib)
  
  -- 10. Error: vis_dat works on dataframes with irregular variable names (@test_v
  `map_df()` requires dplyr
  Backtrace:
    1. testthat::expect_is(vis_dat(messy_names), "ggplot")
    4. visdat::vis_dat(messy_names)
   10. purrr::map_df(., fingerprint)
  
  == testthat results  ===========================================================
  [ OK: 18 | SKIPPED: 0 | WARNINGS: 0 | FAILED: 10 ]
  1.  Error: (unknown) (@test-test-vis-miss-one-col.R#7) 
  2.  Error: (unknown) (@test-vis-compare.R#8) 
  3.  Error: (unknown) (@test-vis-cor.R#4) 
  4.  Error: (unknown) (@test-vis-dat.R#4) 
  5.  Error: (unknown) (@test-vis-expect.R#13) 
  6.  Error: (unknown) (@test-vis-guess.R#4) 
  7.  Error: (unknown) (@test-vis-miss.R#4) 
  8.  Error: (unknown) (@test-visdat-internals.R#3) 
  9.  Error: miss_guide_label works for some missings (@test-vismiss-legend.R#43) 
  10. Error: vis_dat works on dataframes with irregular variable names (@test_variable_spaces.R#12) 
  
  Error: testthat unit tests failed
  Execution halted