- using R Under development (unstable) (2026-07-23 r90295)
- using platform: x86_64-pc-linux-gnu
- R was compiled by
gcc (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)
GNU Fortran (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)
- running under: Fedora Linux 44 (Server Edition)
- using session charset: UTF-8
* current time: 2026-07-24 07:21:56 UTC
- using option ‘--no-stop-on-test-error’
- checking for file ‘mlr3tuningspaces/DESCRIPTION’ ... OK
- this is package ‘mlr3tuningspaces’ version ‘0.6.0’
- 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 ‘mlr3tuningspaces’ can be installed ... OK
See the install log for details.
- 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 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 ... OK
- checking Rd files ... OK
- checking Rd metadata ... OK
- checking Rd line widths ... 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 examples ... ERROR
Running examples in ‘mlr3tuningspaces-Ex.R’ failed
The error most likely occurred in:
> ### Name: TuningSpace
> ### Title: Tuning Spaces
> ### Aliases: TuningSpace
>
> ### ** Examples
>
> library(mlr3tuning)
>
> # Get default tuning space of rpart learner
> tuning_space = lts("classif.rpart.default")
>
> # Set tuning space
> learner = lrn("classif.rpart")
> learner$param_set$values = tuning_space$values
>
> # Tune learner
> instance = tune(
+ tnr("random_search"),
+ task = tsk("pima"),
+ learner = learner,
+ resampling = rsmp ("holdout"),
+ measure = msr("classif.ce"),
+ term_evals = 10)
Warning in data(list = id, package = package, envir = ee) :
data set ‘PimaIndiansDiabetes2’ not found
Error in UseMethod("as_data_backend") :
no applicable method for 'as_data_backend' applied to an object of class "NULL"
Calls: tune ... dictionary_initialize_item -> do.call -> <Anonymous> -> as_data_backend
Execution halted
- checking for unstated dependencies in ‘tests’ ... OK
- checking tests ... [40s/41s] OK
Running ‘testthat.R’ [40s/41s]
- checking PDF version of manual ... OK
- checking HTML version of manual ... OK
- checking for non-standard things in the check directory ... OK
- checking for detritus in the temp directory ... OK
- DONE
Status: 1 ERROR