* using log directory ‘/srv/hornik/tmp/CRAN/mlr3learners.Rcheck’
* using R Under development (unstable) (2024-06-24 r86824)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 18.1.5 (2)
    Debian flang-new version 18.1.5 (2)
* running under: Debian GNU/Linux trixie/sid
* using session charset: UTF-8
* checking for file ‘mlr3learners/DESCRIPTION’ ... OK
* this is package ‘mlr3learners’ version ‘0.7.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [6s/7s] Note_to_CRAN_maintainers
Maintainer: ‘Michel Lang <michellang@gmail.com>’
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Package required and available but unsuitable version: ‘mlr3’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
* DONE
Status: 1 ERROR