* using log directory 'd:/RCompile/CRANincoming/R-devel/MatrixModels.Rcheck'
* using R Under development (unstable) (2023-07-09 r84667 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 12.2.0
    GNU Fortran (GCC) 12.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'MatrixModels/DESCRIPTION' ... OK
* this is package 'MatrixModels' version '0.5-2'
* package encoding: UTF-8
* checking CRAN incoming feasibility ... Note_to_CRAN_maintainers
Maintainer: 'Martin Maechler <mmaechler+Matrix@gmail.com>'
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Package required and available but unsuitable version: 'Matrix'

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