• using R Under development (unstable) (2025-09-15 r88837)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc-15 (Debian 15.2.0-3) 15.2.0     GNU Fortran (Debian 15.2.0-3) 15.2.0
• running under: Debian GNU/Linux forky/sid
• using session charset: UTF-8
• checking for file ‘mlr3learners/DESCRIPTION’ ... OK
• this is package ‘mlr3learners’ version ‘0.12.0’
• package encoding: UTF-8
• checking CRAN incoming feasibility ... [2s/2s] OK
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
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• checking serialization versions ... OK
• checking whether package ‘mlr3learners’ can be installed ... OK See the install log for details.
• checking package directory ... OK
• checking for future file timestamps ... 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/1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the package can be unloaded cleanly ... [1s/1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
• checking loading without being on the library search path ... [1s/1s] OK
• checking whether startup messages can be suppressed ... [1s/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 ... [16s/23s] OK
• checking Rd files ... [1s/1s] OK
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• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
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• checking for unstated dependencies in examples ... OK
• checking examples ... [7s/11s] OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [72s/427s] ERROR   Running ‘testthat.R’ [72s/426s] 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   WARN [17:04:15.085] [mlr3] train: one multinomial or binomial class has fewer than 8 observations; dangerous ground   WARN [17:04:23.038] [mlr3] train: one multinomial or binomial class has fewer than 8 observations; dangerous ground   WARN [17:04:28.004] [mlr3] train: one multinomial or binomial class has fewer than 8 observations; dangerous ground   WARN [17:04:32.040] [mlr3] train: one multinomial or binomial class has fewer than 8 observations; dangerous ground   ERROR [17:06:37.660] [mlr3] train: rank deficiency in group A   WARN [17:07:50.991] [mlr3] train: Option grouped=FALSE enforced in cv.glmnet, since < 3 observations per fold   WARN [17:07:57.302] [mlr3] train: Option grouped=FALSE enforced in cv.glmnet, since < 3 observations per fold   WARN [17:09:21.173] [mlr3] predict: Sample size <=20, no calibration performed.   WARN [17:09:21.180] [mlr3] predict: NaNs produced   WARN [17:09:26.609] [mlr3] predict: Sample size <=20, no calibration performed.   WARN [17:09:26.611] [mlr3] predict: NaNs produced   [ FAIL 1 | WARN 0 | SKIP 4 | PASS 548 ]      ══ 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_classif_qda.R:7:3'): autotest ────────────────────────────────   `result` is not TRUE      `actual` is a list   `expected` is a logical vector (TRUE)   [encapsulation] learner 'classif.qda:prob' on task 'feat_all_multiclass' failed: resample log has errors: rank deficiency in group A      [ FAIL 1 | WARN 0 | SKIP 4 | PASS 548 ]   Error: Test failures   Execution halted
• checking PDF version of manual ... [8s/9s] OK
• checking HTML version of manual ... [3s/5s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 1 ERROR