Running examples in ‘mlr3benchmark-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: autoplot.BenchmarkAggr
> ### Title: Plots for BenchmarkAggr
> ### Aliases: autoplot.BenchmarkAggr
> 
> ### ** Examples
> 
> if (requireNamespaces(c("mlr3learners", "mlr3", "rpart", "xgboost"))) {
+ library(mlr3)
+ library(mlr3learners)
+ library(ggplot2)
+ 
+ set.seed(1)
+ task = tsks(c("iris", "sonar", "wine", "zoo"))
+ learns = lrns(c("classif.featureless", "classif.rpart", "classif.xgboost"))
+ learns$classif.xgboost$param_set$values$nrounds = 50
+ bm = benchmark(benchmark_grid(task, learns, rsmp("cv", folds = 3)))
+ obj = as_benchmark_aggr(bm)
+ 
+ # mean and error bars
+ autoplot(obj, type = "mean", level = 0.95)
+ 
+ if (requireNamespace("PMCMRplus", quietly = TRUE)) {
+   # critical differences
+   autoplot(obj, type = "cd",style = 1)
+   autoplot(obj, type = "cd",style = 2)
+ 
+   # post-hoc friedman-nemenyi
+   autoplot(obj, type = "fn")
+ }
+ 
+ }
INFO  [15:53:10.230] [mlr3] Running benchmark with 36 resampling iterations
INFO  [15:53:10.263] [mlr3] Applying learner 'classif.featureless' on task 'iris' (iter 1/3)
INFO  [15:53:10.322] [mlr3] Applying learner 'classif.featureless' on task 'iris' (iter 2/3)
INFO  [15:53:10.410] [mlr3] Applying learner 'classif.featureless' on task 'iris' (iter 3/3)
INFO  [15:53:10.486] [mlr3] Applying learner 'classif.rpart' on task 'iris' (iter 1/3)
INFO  [15:53:10.552] [mlr3] Applying learner 'classif.rpart' on task 'iris' (iter 2/3)
INFO  [15:53:10.599] [mlr3] Applying learner 'classif.rpart' on task 'iris' (iter 3/3)
INFO  [15:53:10.636] [mlr3] Applying learner 'classif.xgboost' on task 'iris' (iter 1/3)
INFO  [15:53:10.748] [mlr3] Applying learner 'classif.xgboost' on task 'iris' (iter 2/3)
INFO  [15:53:10.825] [mlr3] Applying learner 'classif.xgboost' on task 'iris' (iter 3/3)
INFO  [15:53:10.898] [mlr3] Applying learner 'classif.featureless' on task 'sonar' (iter 1/3)
INFO  [15:53:10.949] [mlr3] Applying learner 'classif.featureless' on task 'sonar' (iter 2/3)
INFO  [15:53:11.019] [mlr3] Applying learner 'classif.featureless' on task 'sonar' (iter 3/3)
INFO  [15:53:11.054] [mlr3] Applying learner 'classif.rpart' on task 'sonar' (iter 1/3)
INFO  [15:53:11.167] [mlr3] Applying learner 'classif.rpart' on task 'sonar' (iter 2/3)
INFO  [15:53:11.226] [mlr3] Applying learner 'classif.rpart' on task 'sonar' (iter 3/3)
INFO  [15:53:11.282] [mlr3] Applying learner 'classif.xgboost' on task 'sonar' (iter 1/3)
INFO  [15:53:11.479] [mlr3] Applying learner 'classif.xgboost' on task 'sonar' (iter 2/3)
INFO  [15:53:11.639] [mlr3] Applying learner 'classif.xgboost' on task 'sonar' (iter 3/3)
INFO  [15:53:11.770] [mlr3] Applying learner 'classif.featureless' on task 'wine' (iter 1/3)
INFO  [15:53:11.836] [mlr3] Applying learner 'classif.featureless' on task 'wine' (iter 2/3)
INFO  [15:53:11.895] [mlr3] Applying learner 'classif.featureless' on task 'wine' (iter 3/3)
INFO  [15:53:11.956] [mlr3] Applying learner 'classif.rpart' on task 'wine' (iter 1/3)
INFO  [15:53:12.019] [mlr3] Applying learner 'classif.rpart' on task 'wine' (iter 2/3)
INFO  [15:53:12.056] [mlr3] Applying learner 'classif.rpart' on task 'wine' (iter 3/3)
INFO  [15:53:12.127] [mlr3] Applying learner 'classif.xgboost' on task 'wine' (iter 1/3)
INFO  [15:53:12.251] [mlr3] Applying learner 'classif.xgboost' on task 'wine' (iter 2/3)
INFO  [15:53:12.374] [mlr3] Applying learner 'classif.xgboost' on task 'wine' (iter 3/3)
INFO  [15:53:12.486] [mlr3] Applying learner 'classif.featureless' on task 'zoo' (iter 1/3)
INFO  [15:53:12.546] [mlr3] Applying learner 'classif.featureless' on task 'zoo' (iter 2/3)
INFO  [15:53:12.595] [mlr3] Applying learner 'classif.featureless' on task 'zoo' (iter 3/3)
INFO  [15:53:12.657] [mlr3] Applying learner 'classif.rpart' on task 'zoo' (iter 1/3)
INFO  [15:53:12.715] [mlr3] Applying learner 'classif.rpart' on task 'zoo' (iter 2/3)
INFO  [15:53:12.753] [mlr3] Applying learner 'classif.rpart' on task 'zoo' (iter 3/3)
INFO  [15:53:12.819] [mlr3] Applying learner 'classif.xgboost' on task 'zoo' (iter 1/3)
INFO  [15:53:12.970] [mlr3] Applying learner 'classif.xgboost' on task 'zoo' (iter 2/3)
INFO  [15:53:13.121] [mlr3] Applying learner 'classif.xgboost' on task 'zoo' (iter 3/3)
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
  Passed invalid function arguments: nthread, num_class, eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
Warning in check.custom.obj(params, objective) :
  Argument 'objective' is only for custom objectives. For built-in objectives, pass the objective under 'params'. This warning will become an error in a future version.
INFO  [15:53:13.258] [mlr3] Finished benchmark
Error: Global Friedman test non-significant (p > 0.05), try type = 'mean' instead.
Execution halted