• using R Under development (unstable) (2026-04-08 r89807)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     clang version 22.1.2 (https://github.com/llvm/llvm-project 1ab49a973e210e97d61e5db6557180dcb92c3e98)     flang version 22.1.2 (https://github.com/llvm/llvm-project 1ab49a973e210e97d61e5db6557180dcb92c3e98)
• running under: Fedora Linux 42 (Workstation Edition)
• using session charset: UTF-8 * current time: 2026-04-08 06:34:24 UTC
• using option ‘--no-stop-on-test-error’
• checking for file ‘mlr3mbo/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘mlr3mbo’ version ‘1.1.0’
• 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 executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘mlr3mbo’ can be installed ... [13s/35s] OK See the install log for details.
• used C compiler: ‘clang version 22.1.2 (https://github.com/llvm/llvm-project 1ab49a973e210e97d61e5db6557180dcb92c3e98)’
• 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 ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking whether startup messages can be suppressed ... 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 ... [76s/202s] OK
• checking Rd files ... [4s/11s] OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... INFO Undeclared package ‘cmaes’ in Rd xrefs
• 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 compilation flags used ... OK
• checking compiled code ... OK
• checking examples ... [29s/77s] OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [11m/31m] ERROR   Running ‘testthat.R’ [11m/31m] Running the tests in ‘tests/testthat.R’ failed. Complete output:   > if (requireNamespace("testthat", quietly = TRUE)) {   + library(testthat)   + library(checkmate)   + library(mlr3mbo)   + test_check("mlr3mbo")   + }   Loading required package: mlr3   Loading required package: mlr3tuning   Loading required package: paradox      Attaching package: 'mlr3mbo'      The following object is masked from 'package:testthat':          it      Loading required namespace: mlr3learners   Loading required namespace: DiceKriging   Loading required namespace: rgenoud   Saving _problems/test_ResultAssignerSurrogate-142.R   WARN [08:10:46.154] [bbotk] Caught the following error:   x Acquisition function optimization failed.   > Class: Mlr3ErrorMboAcqOptimizer   Caused by:     Optimizer Error.      WARN [08:10:48.217] [bbotk] Caught the following error:   x Surrogate update failed.   > Class: Mlr3ErrorMboSurrogateUpdate   Caused by:     x Surrogate Train Error.     > Class: Mlr3ErrorLearnerTrain      WARN [08:10:49.956] [bbotk] Caught the following error:   x Acquisition function optimization failed.   > Class: Mlr3ErrorMboAcqOptimizer   Caused by:     x Surrogate Predict Error.     > Class: Mlr3ErrorLearnerPredict      [ FAIL 1 | WARN 0 | SKIP 11 | PASS 1174 ]      ══ Skipped tests (11) ══════════════════════════════════════════════════════════   • On CRAN (11): 'test_AcqFunctionEHVIGH.R:38:3',     'test_AcqFunctionStochasticCB.R:2:1', 'test_AcqFunctionStochasticEI.R:2:1',     'test_OptimizerADBO.R:2:1', 'test_OptimizerAsyncMbo.R:2:1',     'test_OptimizerMbo.R:2:3', 'test_ResultAssignerSurrogate.R:18:3',     'test_TunerADBO.R:2:1', 'test_TunerAsyncMbo.R:2:1', 'test_TunerMbo.R:2:3',     'test_conditions.R:5:1'      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Error ('test_ResultAssignerSurrogate.R:142:3'): ResultAssignerSurrogate passes internal tuned values ──   Error in `.__OptimInstanceBatchSingleCrit__assign_result(self = self, private = private, super = super, xdt = xdt, y = y, extra = extra, ... = ...)`: Assertion on 'private$.result_y' failed: Must have length 1.   Backtrace:        ▆     1. ├─checkmate::expect_data_table(tuner$optimize(instance), nrows = 1L) at test_ResultAssignerSurrogate.R:142:3     2. │ └─checkmate::checkDataTable(...)     3. └─tuner$optimize(instance)     4. └─mlr3tuning:::.__TunerBatchFromOptimizerBatch__optimize(...)     5. └─private$.optimizer$optimize(inst)     6. └─mlr3mbo:::.__OptimizerMbo__optimize(...)     7. └─bbotk::optimize_batch_default(inst, self)     8. └─get_private(optimizer)$.assign_result(instance)     9. └─mlr3mbo:::.__OptimizerMbo__.assign_result(...)    10. └─self$result_assigner$assign_result(inst)    11. └─mlr3mbo:::.__ResultAssignerSurrogate__assign_result(...)    12. └─instance$assign_result(xdt = best, y = best_y, extra = extra)    13. └─mlr3tuning:::.__TuningInstanceBatchSingleCrit__assign_result(...)    14. └─super$assign_result(private$.result_xdt, private$.result_y)    15. └─bbotk:::.__OptimInstanceBatchSingleCrit__assign_result(...)    16. └─checkmate::assert_number(private$.result_y)    17. └─checkmate::makeAssertion(x, res, .var.name, add)    18. └─checkmate:::mstop(...)      [ FAIL 1 | WARN 0 | SKIP 11 | PASS 1174 ]   Error:   ! Test failures.   Execution halted
• checking PDF version of manual ... [18s/35s] OK
• checking HTML version of manual ... [25s/36s] OK
• checking for non-standard things in the check directory ... OK
• checking for detritus in the temp directory ... OK
• DONE

Status: 1 ERROR