• using R version 4.5.3 (2026-03-11 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 14.3.0     GNU Fortran (GCC) 14.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'mlr3learners/DESCRIPTION' ... OK
• this is package 'mlr3learners' version '0.14.0'
• 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 'mlr3learners' can be installed ... OK See the install log for details.
• used C compiler: 'gcc.exe (GCC) 14.3.0'
• checking installed package size ... OK
• checking package 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 ... [20s] OK
• checking Rd files ... [3s] 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 line endings in C/C++/Fortran sources/headers ... OK
• checking pragmas in C/C++ headers and code ... OK
• checking compiled code ... OK
• checking examples ... [20s] OK
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [148s] ERROR   Running 'testthat.R' [148s] Running the tests in 'tests/testthat.R' failed. Complete output:   > if (requireNamespace("testthat", quietly = TRUE)) {   + library("testthat")   + library("mlr3learners")   + test_check("mlr3learners")   + }   Loading required package: mlr3   Saving _problems/test_regr_cv_glmnet-24.R   Saving _problems/test_regr_glmnet-21.R   [ FAIL 2 | WARN 0 | SKIP 4 | PASS 633 ]      ══ Skipped tests (4) ═══════════════════════════════════════════════════════════   • On CRAN (4): 'test_classif_nnet.R:2:1', 'test_classif_xgboost.R:2:1',     'test_regr_nnet.R:2:1', 'test_regr_xgboost.R:2:1'      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Failure ('test_regr_cv_glmnet.R:21:3'): selected_features ───────────────────   Expected `learner$selected_features(0)` to equal `task$feature_names`.   Differences:   `actual`: "am"   `expected`: "am" "carb" "cyl" "disp" "drat" "gear" "hp" "qsec" "vs" "wt"      ── Failure ('test_regr_glmnet.R:18:3'): selected_features ──────────────────────   Expected `learner$selected_features(0)` to equal `task$feature_names`.   Differences:   `actual`: "am"   `expected`: "am" "carb" "cyl" "disp" "drat" "gear" "hp" "qsec" "vs" "wt"         [ FAIL 2 | WARN 0 | SKIP 4 | PASS 633 ]   Error:   ! Test failures.   Execution halted
• checking PDF version of manual ... [23s] OK
• checking HTML version of manual ... [12s] OK
• DONE

Status: 1 ERROR