• using R Under development (unstable) (2026-03-28 r89738)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     Debian clang version 21.1.8 (3+b1)     Debian flang version 21.1.8 (3+b1)
• running under: Debian GNU/Linux forky/sid
• using session charset: UTF-8 * current time: 2026-03-30 15:15:12 UTC
• checking for file ‘Deducer/DESCRIPTION’ ... OK
• this is package ‘Deducer’ version ‘0.9-1’
• checking CRAN incoming feasibility ... [1s/2s] OK
• 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 serialization versions ... OK
• checking whether package ‘Deducer’ can be installed ... WARNING Found the following significant warnings:   WARNING: A restricted method in java.lang.System has been called   WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar)   WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module   WARNING: Restricted methods will be blocked in a future release unless native access is enabled 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 ... [6s/7s] OK
• checking whether the package can be loaded with stated dependencies ... [5s/7s] OK
• checking whether the package can be unloaded cleanly ... [5s/6s] OK
• checking whether the namespace can be loaded with stated dependencies ... [5s/6s] OK
• checking whether the namespace can be unloaded cleanly ... [6s/7s] OK
• checking loading without being on the library search path ... [6s/7s] OK
• checking whether startup messages can be suppressed ... [6s/8s] NOTE WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled It looks like this package (or a package it requires) has a startup message which cannot be suppressed: see ?packageStartupMessage.
• checking use of S3 registration ... OK
• checking dependencies in R code ... NOTE WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled
• checking S3 generic/method consistency ... WARNING WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled See section ‘Generic functions and methods’ in the ‘Writing R Extensions’ manual.
• checking replacement functions ... WARNING WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled The argument of a replacement function which corresponds to the right hand side must be named ‘value’.
• checking foreign function calls ... NOTE WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled See chapter ‘System and foreign language interfaces’ in the ‘Writing R Extensions’ manual.
• checking R code for possible problems ... [33s/44s] NOTE WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled
• checking Rd files ... [1s/1s] OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... WARNING WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled All user-level objects in a package should have documentation entries. See chapter ‘Writing R documentation files’ in the ‘Writing R Extensions’ manual.
• checking for code/documentation mismatches ... WARNING WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled
• checking Rd \usage sections ... NOTE WARNING: A restricted method in java.lang.System has been called WARNING: java.lang.System::loadLibrary has been called by org.rosuda.JRI.Rengine in an unnamed module (file:/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/rJava/jri/JRI.jar) WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module WARNING: Restricted methods will be blocked in a future release unless native access is enabled The \usage entries for S3 methods should use the \method markup and not their full name. See chapter ‘Writing R documentation files’ in the ‘Writing R Extensions’ manual.
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking examples ... [19s/24s] OK Examples with CPU (user + system) or elapsed time > 5s                 user system elapsed onesample.plot 4.316 0.046 5.393
• checking PDF version of manual ... [5s/7s] OK
• checking HTML version of manual ... [3s/4s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 5 WARNINGs, 5 NOTEs