• using R version 4.4.3 (2025-02-28 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 13.3.0     GNU Fortran (GCC) 13.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'mlr3pipelines/DESCRIPTION' ... OK
• this is package 'mlr3pipelines' version '0.10.0'
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'mlr3pipelines' can be installed ... OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking 'build' directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s] OK
• checking whether the package can be unloaded cleanly ... [1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s] OK
• checking loading without being on the library search path ... [1s] OK
• checking whether startup messages can be suppressed ... [1s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [82s] OK
• checking Rd files ... [8s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [71s] ERROR Running examples in 'mlr3pipelines-Ex.R' failed The error most likely occurred in: > ### Name: mlr_pipeops_nmf > ### Title: Non-negative Matrix Factorization > ### Aliases: mlr_pipeops_nmf PipeOpNMF > > ### ** Examples > > ## Don't show: > if (mlr3misc::require_namespaces(c("NMF", "MASS"), quietly = TRUE)) withAutoprint({ # examplesIf + ## End(Don't show) + ## Don't show: + # NMF attaches these packages to search path on load, #929 + lapply(c("package:Biobase", "package:BiocGenerics", "package:generics"), detach, character.only = TRUE) + ## End(Don't show) + library("mlr3") + + task = tsk("iris") + pop = po("nmf") + + task$data() + pop$train(list(task))[[1]]$data() + + pop$state + ## Don't show: + # BiocGenerics overwrites printer for our tables mlr-org/mlr3#1112 + # Necessary as detaching packages does not remove registered S3 methods + suppressWarnings(try(rm("format.list", envir = .BaseNamespaceEnv$.__S3MethodsTable__.), silent = TRUE)) + ## End(Don't show) + ## Don't show: + }) # examplesIf > lapply(c("package:Biobase", "package:BiocGenerics", "package:generics"), + detach, character.only = TRUE) Error in FUN(X[[i]], ...) : invalid 'name' argument Calls: withAutoprint ... withVisible -> eval -> eval -> lapply -> lapply -> FUN Execution halted
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [270s] ERROR   Running 'testthat.R' [270s] Running the tests in 'tests/testthat.R' failed. Complete output:   > if (requireNamespace("testthat", quietly = TRUE)) {   + library("checkmate")   + library("testthat")   + library("mlr3")   + library("paradox")   + library("mlr3pipelines")   + test_check("mlr3pipelines")   + }   Starting 2 test processes.   > test_Graph.R: Training debug.multi with input list(input_1 = 1, input_2 = 1)   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R:   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_PipeOp.R: Training test_autotrain   > test_PipeOp.R: Predicting test_autotrain   > test_filter_ensemble.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_mlr_graphs_robustify.R: 'as(<dgCMatrix>, "dgTMatrix")' is deprecated.   > test_mlr_graphs_robustify.R: Use 'as(., "TsparseMatrix")' instead.   > test_mlr_graphs_robustify.R: See help("Deprecated") and help("Matrix-deprecated").   > test_multiplicities.R:   > test_multiplicities.R: [[1]]   > test_multiplicities.R:   > test_multiplicities.R: [1] 0   > test_multiplicities.R:   > test_pipeop_blsmote.R: [1] "Borderline-SMOTE done"   > test_pipeop_blsmote.R: [1] "Borderline-SMOTE done"   > test_pipeop_blsmote.R: [1] "Borderline-SMOTE done"   > test_pipeop_blsmote.R: [1] "Borderline-SMOTE done"   Saving _problems/test_pipeop_datefeatures-7.R   Saving _problems/test_pipeop_datefeatures-17.R   > test_pipeop_isomap.R: 2025-11-16 03:27:01.982434: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:01.983153: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:01.995516: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.01199: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:02.057452: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:02.057935: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:02.066507: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.082844: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:02.1134: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:02.114092: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:02.156848: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.206497: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:02.208196: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:02.248128: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:02.248816: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:02.268629: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.318416: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:02.32011: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:02.464607: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:02.465265: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:02.48477: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.591956: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:02.663726: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:02.664898: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:02.721456: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:02.956021: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:02.961961: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:03.291968: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:03.29261: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:03.303667: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:03.325757: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:03.369232: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:03.37016: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:03.394197: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:03.443947: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:03.446059: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:03.644498: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:03.645208: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:03.657452: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:03.679659: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:03.752246: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:03.753278: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:03.788936: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:03.840733: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:03.842755: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:03.955414: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:03.956076: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:03.966105: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:03.987585: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:04.061962: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:04.062987: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:04.087189: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:04.140836: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:04.825816: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:04.932052: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:04.932738: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:04.94408: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:04.966828: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:05.024476: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.025659: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.048837: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.094034: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:05.095981: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:05.208698: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.209449: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.222781: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.244944: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:05.323859: L-Isomap embed START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.32474: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.346452: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.393299: embedding   > test_pipeop_isomap.R: 2025-11-16 03:27:05.395591: DONE   > test_pipeop_isomap.R: 2025-11-16 03:27:05.528762: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.529409: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.54168: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.564003: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:05.675261: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.675909: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.688727: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.711632: Classical Scaling   > test_pipeop_isomap.R: 2025-11-16 03:27:05.745678: Isomap START   > test_pipeop_isomap.R: 2025-11-16 03:27:05.746311: constructing knn graph   > test_pipeop_isomap.R: 2025-11-16 03:27:05.757836: calculating geodesic distances   > test_pipeop_isomap.R: 2025-11-16 03:27:05.780391: Classical Scaling   Saving _problems/test_pipeop_nmf-45.R   Saving _problems/test_pipeop_nmf-73.R   Saving _problems/test_pipeop_nmf-93.R   Saving _problems/test_pipeop_nmf-98.R   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_task_preproc.R: Training debug_affectcols   > test_pipeop_textvectorizer.R: 'as(<dgCMatrix>, "dgTMatrix")' is deprecated.   > test_pipeop_textvectorizer.R: Use 'as(., "TsparseMatrix")' instead.   > test_pipeop_textvectorizer.R: See help("Deprecated") and help("Matrix-deprecated").   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   > test_pipeop_tunethreshold.R: OptimInstanceSingleCrit is deprecated. Use OptimInstanceBatchSingleCrit instead.   [ FAIL 6 | WARN 0 | SKIP 99 | PASS 13006 ]      ══ Skipped tests (99) ══════════════════════════════════════════════════════════   • On CRAN (95): 'test_CnfFormula_simplify.R:6:3', 'test_CnfFormula.R:591:3',     'test_Graph.R:283:3', 'test_PipeOp.R:32:1', 'test_GraphLearner.R:5:3',     'test_GraphLearner.R:221:3', 'test_GraphLearner.R:343:3',     'test_GraphLearner.R:408:3', 'test_GraphLearner.R:571:3',     'test_dictionary.R:7:3', 'test_learner_weightedaverage.R:5:3',     'test_learner_weightedaverage.R:57:3',     'test_learner_weightedaverage.R:105:3',     'test_learner_weightedaverage.R:152:3', 'test_meta.R:39:3',     'test_mlr_graphs_branching.R:26:3', 'test_mlr_graphs_bagging.R:6:3',     'test_mlr_graphs_robustify.R:5:3', 'test_pipeop_adas.R:8:3',     'test_pipeop_blsmote.R:8:3', 'test_pipeop_branch.R:4:3',     'test_pipeop_chunk.R:4:3', 'test_pipeop_classbalancing.R:7:3',     'test_pipeop_boxcox.R:7:3', 'test_pipeop_classweights.R:10:3',     'test_pipeop_collapsefactors.R:6:3', 'test_pipeop_colapply.R:9:3',     'test_pipeop_copy.R:5:3', 'test_pipeop_colroles.R:6:3',     'test_pipeop_decode.R:14:3', 'test_pipeop_encode.R:21:3',     'test_pipeop_encodeimpact.R:11:3', 'test_pipeop_encodelmer.R:15:3',     'test_pipeop_encodelmer.R:37:3', 'test_pipeop_encodelmer.R:80:3',     'test_pipeop_encodepl.R:5:3', 'test_pipeop_encodepl.R:72:3',     'test_pipeop_featureunion.R:9:3', 'test_pipeop_featureunion.R:134:3',     'test_pipeop_filter.R:7:3', 'test_pipeop_fixfactors.R:9:3',     'test_pipeop_histbin.R:7:3', 'test_pipeop_ica.R:7:3',     'test_pipeop_ensemble.R:6:3', 'test_pipeop_impute.R:4:3',     'test_pipeop_imputelearner.R:43:3', 'test_pipeop_isomap.R:10:3',     'test_pipeop_kernelpca.R:9:3', 'test_pipeop_learner.R:17:3',     'test_pipeop_info.R:6:3', 'test_pipeop_learnerpicvplus.R:163:3',     'test_pipeop_missind.R:6:3', 'test_pipeop_modelmatrix.R:7:3',     'test_pipeop_multiplicityexply.R:9:3', 'test_pipeop_learnercv.R:31:3',     'test_pipeop_mutate.R:9:3', 'test_pipeop_nearmiss.R:7:3',     'test_pipeop_multiplicityimply.R:9:3', 'test_pipeop_ovr.R:9:3',     'test_pipeop_ovr.R:48:3', 'test_pipeop_pca.R:8:3',     'test_pipeop_proxy.R:14:3', 'test_pipeop_quantilebin.R:5:3',     'test_pipeop_randomprojection.R:6:3', 'test_pipeop_randomresponse.R:5:3',     'test_pipeop_removeconstants.R:6:3', 'test_pipeop_renamecolumns.R:6:3',     'test_pipeop_replicate.R:9:3', 'test_pipeop_rowapply.R:6:3',     'test_pipeop_scale.R:6:3', 'test_pipeop_scale.R:10:3',     'test_pipeop_scalemaxabs.R:6:3', 'test_pipeop_scalerange.R:7:3',     'test_pipeop_nmf.R:6:3', 'test_pipeop_select.R:9:3',     'test_pipeop_smote.R:10:3', 'test_pipeop_smotenc.R:8:3',     'test_pipeop_subsample.R:6:3', 'test_pipeop_targetinvert.R:4:3',     'test_pipeop_targetmutate.R:5:3', 'test_pipeop_targettrafo.R:4:3',     'test_pipeop_targettrafoscalerange.R:5:3', 'test_pipeop_task_preproc.R:4:3',     'test_pipeop_task_preproc.R:14:3', 'test_pipeop_spatialsign.R:6:3',     'test_pipeop_tomek.R:7:3', 'test_pipeop_textvectorizer.R:37:3',     'test_pipeop_textvectorizer.R:186:3', 'test_pipeop_unbranch.R:10:3',     'test_pipeop_updatetarget.R:89:3', 'test_pipeop_vtreat.R:9:3',     'test_pipeop_yeojohnson.R:7:3', 'test_pipeop_tunethreshold.R:111:3',     'test_pipeop_tunethreshold.R:191:3', 'test_typecheck.R:188:3'   • Skipping (1): 'test_GraphLearner.R:1278:3'   • empty test (3): 'test_pipeop_isomap.R:111:1', 'test_pipeop_missind.R:101:1',     'test_ppl.R:61:1'      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Error ('test_pipeop_datefeatures.R:7:3'): PipeOpDateFeatures - basic properties ──   Error in `seq.Date(as.Date("2020-01-31"), length.out = 150L)`: exactly two of 'to', 'by' and 'length.out' / 'along.with' must be specified   Backtrace:       ▆    1. ├─base::seq(as.Date("2020-01-31"), length.out = 150L) at test_pipeop_datefeatures.R:7:3    2. └─base::seq.Date(as.Date("2020-01-31"), length.out = 150L)   ── Error ('test_pipeop_datefeatures.R:17:3'): PipeOpDateFeatures - finds POSIXct column ──   Error in `seq.Date(as.Date("2020-01-31"), length.out = 150L)`: exactly two of 'to', 'by' and 'length.out' / 'along.with' must be specified   Backtrace:       ▆    1. ├─base::seq(as.Date("2020-01-31"), length.out = 150L) at test_pipeop_datefeatures.R:17:3    2. └─base::seq.Date(as.Date("2020-01-31"), length.out = 150L)   ── Error ('test_pipeop_nmf.R:45:3'): PipeOpNMF - does not modify search path when NMF is not loaded, fix for #929 ──   Error in `detach(package:generics)`: invalid 'name' argument   Backtrace:       ▆    1. └─base::detach(package:generics) at test_pipeop_nmf.R:45:3   ── Failure ('test_pipeop_nmf.R:73:3'): PipeOpNMF - does not modify search path when NMF is loaded, fix for #929 ──   Expected `all(...)` to be TRUE.   Differences:   `actual`: FALSE   `expected`: TRUE      ── Failure ('test_pipeop_nmf.R:93:3'): PipeOpNMF - does not modify search path when some of NMF's dependencies are loaded, fix for #929 ──   Expected `all(paste0("package:", c("BiocGenerics", "generics")) %in% search())` to be TRUE.   Differences:   `actual`: FALSE   `expected`: TRUE      ── Error ('test_pipeop_nmf.R:98:3'): PipeOpNMF - does not modify search path when some of NMF's dependencies are loaded, fix for #929 ──   Error in `FUN(X[[i]], ...)`: invalid 'name' argument   This happened in PipeOp nmf's $train()   Backtrace:        ▆     1. ├─op$train(list(tsk("iris"))) at test_pipeop_nmf.R:98:3     2. │ └─mlr3pipelines:::.__PipeOp__train(...)     3. │ ├─base::withCallingHandlers(...)     4. │ └─private$.train(input)     5. │ └─mlr3pipelines:::.__PipeOpTaskPreproc__.train(...)     6. │ └─private$.train_task(intask)     7. │ └─mlr3pipelines:::.__PipeOpTaskPreproc__.train_task(...)     8. │ ├─data.table::as.data.table(...)     9. │ └─private$.train_dt(dt, task$levels(cols), task$truth())    10. │ └─mlr3pipelines:::.__PipeOpNMF__.train_dt(...)    11. │ └─mlr3misc::map(to_be_detached, detach, character.only = TRUE)    12. │ └─base::lapply(.x, .f, ...)    13. │ └─base (local) FUN(X[[i]], ...)    14. │ └─base::stop("invalid 'name' argument")    15. └─base::.handleSimpleError(...)    16. └─mlr3pipelines (local) h(simpleError(msg, call))      [ FAIL 6 | WARN 0 | SKIP 99 | PASS 13006 ]   Error:   ! Test failures.   Execution halted
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [6s] OK
• checking PDF version of manual ... [74s] OK
• checking HTML version of manual ... [52s] OK
• DONE

Status: 2 ERRORs