• using R Under development (unstable) (2025-12-19 r89206)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc-15 (Debian 15.2.0-11) 15.2.0     GNU Fortran (Debian 15.2.0-11) 15.2.0
• running under: Debian GNU/Linux forky/sid
• using session charset: UTF-8
• checking for file ‘mlr3db/DESCRIPTION’ ... OK
• this is package ‘mlr3db’ version ‘0.7.0’
• package encoding: UTF-8
• checking CRAN incoming feasibility ... [1s/2s] OK
• checking package namespace information ... OK
• checking package dependencies ... INFO Package suggested but not available for checking: ‘polars’
• 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 serialization versions ... OK
• checking whether package ‘mlr3db’ 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 ... [0s/1s] OK
• checking whether the package can be unloaded cleanly ... [0s/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 ... [6s/8s] OK
• checking Rd files ... [0s/0s] OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... INFO Package unavailable to check Rd xrefs: ‘polars’
• 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 examples ... [3s/4s] OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [56s/97s] ERROR   Running ‘testthat.R’ [56s/97s] Running the tests in ‘tests/testthat.R’ failed. Complete output:   > if (requireNamespace("testthat", quietly = TRUE)) {   + library("testthat")   + library("mlr3db")   + test_check("mlr3db")   + }   Loading required package: mlr3   Loading required namespace: RSQLite   Loading required namespace: RSQLite   Saving _problems/test_train_predict_dplyr-20.R   Saving _problems/test_train_predict_duckdb-18.R   [ FAIL 2 | WARN 0 | SKIP 3 | PASS 998 ]      ══ Skipped tests (3) ═══════════════════════════════════════════════════════════   • {polars} is not installed (3): 'test_as_polars_backend.R:1:1',     'test_polars.R:1:1', 'test_train_predict_polars.R:1:1'      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Error ('test_train_predict_dplyr.R:20:5'): resample works ───────────────────   Error in ``[.data.table`(data, , `:=`("task_hash", task[[1L]]$hash), by = "uhash")`: attempt access index 9/9 in VECTOR_ELT   Backtrace:       ▆    1. ├─global with_future(...) at test_train_predict_dplyr.R:19:3    2. │ └─base::force(expr)    3. └─mlr3::resample(task, learner, mlr3::rsmp("cv", folds = 3)) at test_train_predict_dplyr.R:20:5    4. └─ResultData$new(data, data_extra, store_backends = store_backends)    5. └─mlr3 (local) initialize(...)    6. └─mlr3:::.__ResultData__initialize(...)    7. ├─data[, `:=`("task_hash", task[[1L]]$hash), by = "uhash"]    8. └─data.table:::`[.data.table`(...)   ── Error ('test_train_predict_duckdb.R:18:5'): resample works ──────────────────   Error in ``[.data.table`(data, , `:=`("task_hash", task[[1L]]$hash), by = "uhash")`: attempt access index 9/9 in VECTOR_ELT   Backtrace:       ▆    1. ├─global with_future(...) at test_train_predict_duckdb.R:17:3    2. │ └─base::force(expr)    3. └─mlr3::resample(task, learner, mlr3::rsmp("cv", folds = 3)) at test_train_predict_duckdb.R:18:5    4. └─ResultData$new(data, data_extra, store_backends = store_backends)    5. └─mlr3 (local) initialize(...)    6. └─mlr3:::.__ResultData__initialize(...)    7. ├─data[, `:=`("task_hash", task[[1L]]$hash), by = "uhash"]    8. └─data.table:::`[.data.table`(...)      [ FAIL 2 | WARN 0 | SKIP 3 | PASS 998 ]   Error:   ! Test failures.   Warning message:   call dbDisconnect() when finished working with a connection   Execution halted
• checking PDF version of manual ... [4s/6s] OK
• checking HTML version of manual ... [1s/2s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 1 ERROR