Package jpeg version 0.1-8.1
Package built using 77519/R 4.0.0; x86_64-pc-linux-gnu; 2019-12-05 04:50:04 UTC; unix   
Checked with rchk version 490627e4fb8e93244230dbbd61455730aa43c328
More information at https://github.com/kalibera/cran-checks/blob/master/rchk/PROTECT.md

Suspicious call (two or more unprotected arguments) to Rf_setAttrib at read_jpeg jpeg/src/read.c:131