Found the following significant warnings:
  Rd warning: MeasureFairness.Rd:10: missing link ‘mlr_measures_classif.ce’
  Rd warning: MeasureFairness.Rd:11: missing link ‘mlr_measures_classif.fpr’
  Rd warning: MeasureFairness.Rd:18: missing link ‘mlr_measures’
  Rd warning: MeasureFairness.Rd:22: missing link ‘Task’
  Rd warning: MeasureFairness.Rd:50: missing link ‘mlr_measures_classif.fpr’
  Rd warning: MeasureFairnessComposite.Rd:12: missing link ‘Task’
  Rd warning: MeasureFairnessConstraint.Rd:12: missing link ‘Task’
  Rd warning: MeasureSubgroup.Rd:30: missing link ‘mlr_measures_classif.fpr’
  Rd warning: compas.Rd:9: missing link ‘TaskClassif’
  Rd warning: compas.Rd:11: missing link ‘TaskClassif’
  Rd warning: compute_metrics.Rd:27: missing link ‘Task’
  Rd warning: fairness_accuracy_tradeoff.Rd:10: missing link ‘PredictionClassif’
  Rd warning: fairness_accuracy_tradeoff.Rd:10: missing link ‘BenchmarkResult’
  Rd warning: fairness_accuracy_tradeoff.Rd:10: missing link ‘ResampleResult’
  Rd warning: fairness_accuracy_tradeoff.Rd:13: missing link ‘PredictionClassif’
  Rd warning: fairness_accuracy_tradeoff.Rd:15: missing link ‘Task’
  Rd warning: fairness_accuracy_tradeoff.Rd:16: missing link ‘ResampleResult’
  Rd warning: fairness_accuracy_tradeoff.Rd:19: missing link ‘BenchmarkResult’
  Rd warning: fairness_accuracy_tradeoff.Rd:27: missing link ‘Measure’
  Rd warning: fairness_accuracy_tradeoff.Rd:30: missing link ‘Measure’
  Rd warning: fairness_accuracy_tradeoff.Rd:33: missing link ‘TaskClassif’
  Rd warning: fairness_accuracy_tradeoff.Rd:34: missing link ‘PredictionClassif’
  Rd warning: fairness_accuracy_tradeoff.Rd:48: missing link ‘Task’
  Rd warning: fairness_compare_metrics.Rd:10: missing link ‘PredictionClassif’
  Rd warning: fairness_compare_metrics.Rd:10: missing link ‘BenchmarkResult’
  Rd warning: fairness_compare_metrics.Rd:10: missing link ‘ResampleResult’
  Rd warning: fairness_compare_metrics.Rd:13: missing link ‘PredictionClassif’
  Rd warning: fairness_compare_metrics.Rd:16: missing link ‘ResampleResult’
  Rd warning: fairness_compare_metrics.Rd:19: missing link ‘BenchmarkResult’
  Rd warning: fairness_compare_metrics.Rd:26: missing link ‘Measure’
  Rd warning: fairness_compare_metrics.Rd:27: missing link ‘Measure’
  Rd warning: fairness_compare_metrics.Rd:29: missing link ‘TaskClassif’
  Rd warning: fairness_compare_metrics.Rd:30: missing link ‘PredictionClassif’
  Rd warning: fairness_compare_metrics.Rd:42: missing link ‘Task’
  Rd warning: fairness_prediction_density.Rd:10: missing link ‘PredictionClassif’
  Rd warning: fairness_prediction_density.Rd:10: missing link ‘ResampleResult’
  Rd warning: fairness_prediction_density.Rd:10: missing link ‘BenchmarkResult’
  Rd warning: fairness_prediction_density.Rd:12: missing link ‘PredictionClassif’
  Rd warning: fairness_prediction_density.Rd:12: missing link ‘Task’
  Rd warning: fairness_prediction_density.Rd:16: missing link ‘TaskClassif’
  Rd warning: fairness_prediction_density.Rd:33: missing link ‘Task’
  Rd warning: fairness_tensor.Rd:19: missing link ‘data.table’
  Rd warning: fairness_tensor.Rd:19: missing link ‘PredictionClassif’
  Rd warning: fairness_tensor.Rd:19: missing link ‘ResampleResult’
  Rd warning: fairness_tensor.Rd:21: missing link ‘PredictionClassif’
  Rd warning: fairness_tensor.Rd:21: missing link ‘ResampleResult’
  Rd warning: fairness_tensor.Rd:32: missing link ‘TaskClassif’
  Rd warning: fairness_tensor.Rd:33: missing link ‘TaskClassif’
  Rd warning: fairness_tensor.Rd:43: missing link ‘Task’
  Rd warning: groupdiff_tau.Rd:33: missing link ‘Task’
  Rd warning: groupwise_metrics.Rd:13: missing link ‘Task’
  Rd warning: mlr_learners_classif.fairfgrrm.Rd:15: missing link ‘Learner’
  Rd warning: mlr_learners_classif.fairfgrrm.Rd:16: missing link ‘mlr_learners’
  Rd warning: mlr_learners_classif.fairfgrrm.Rd:17: missing link ‘lrn’
  Rd warning: mlr_learners_classif.fairzlrm.Rd:16: missing link ‘Learner’
  Rd warning: mlr_learners_classif.fairzlrm.Rd:17: missing link ‘mlr_learners’
  Rd warning: mlr_learners_classif.fairzlrm.Rd:18: missing link ‘lrn’
  Rd warning: mlr_learners_fairness.Rd:35: missing link ‘Task’
  Rd warning: mlr_learners_regr.fairfrrm.Rd:20: missing link ‘Learner’
  Rd warning: mlr_learners_regr.fairfrrm.Rd:21: missing link ‘mlr_learners’
  Rd warning: mlr_learners_regr.fairfrrm.Rd:22: missing link ‘lrn’
  Rd warning: mlr_learners_regr.fairnclm.Rd:16: missing link ‘Learner’
  Rd warning: mlr_learners_regr.fairnclm.Rd:17: missing link ‘mlr_learners’
  Rd warning: mlr_learners_regr.fairnclm.Rd:18: missing link ‘lrn’
  Rd warning: mlr_learners_regr.fairzlm.Rd:16: missing link ‘Learner’
  Rd warning: mlr_learners_regr.fairzlm.Rd:17: missing link ‘mlr_learners’
  Rd warning: mlr_learners_regr.fairzlm.Rd:18: missing link ‘lrn’
  Rd warning: mlr_measures_fairness.Rd:26: missing link ‘Task’
  Rd warning: mlr_pipeops_equalized_odds.Rd:8: missing link ‘R6Class’
  Rd warning: mlr_pipeops_equalized_odds.Rd:8: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_equalized_odds.Rd:8: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_equalized_odds.Rd:29: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_equalized_odds.Rd:38: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_equalized_odds.Rd:52: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_equalized_odds.Rd:52: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_equalized_odds.Rd:57: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_equalized_odds.Rd:57: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_explicit_pta.Rd:8: missing link ‘R6Class’
  Rd warning: mlr_pipeops_explicit_pta.Rd:8: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_explicit_pta.Rd:8: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_explicit_pta.Rd:27: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_explicit_pta.Rd:51: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_explicit_pta.Rd:51: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_reweighing.Rd:9: missing link ‘R6Class’
  Rd warning: mlr_pipeops_reweighing.Rd:9: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_reweighing.Rd:9: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_reweighing.Rd:43: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_reweighing.Rd:52: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_reweighing.Rd:74: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_reweighing.Rd:74: missing link ‘PipeOp’
  Rd warning: mlr_pipeops_reweighing.Rd:79: missing link ‘PipeOpTaskPreproc’
  Rd warning: mlr_pipeops_reweighing.Rd:79: missing link ‘PipeOp’
  Rd warning: report_fairness.Rd:23: missing link ‘Task’
  Rd warning: task_summary.Rd:10: missing link ‘Task’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/mlr3fairness.Rcheck/00install.out’ for details.