cd /tmp/$2
cp code.code interim.java
name=$(grep -Po "(?<=\n|\A)\s*(public\s+)?(class|interface)\s+\K([^\/\\\n\s{]+)" interim.java)
mv interim.java $name.java

runuser runner$1 -c "\
    cd /tmp/$2 ; \
    javac $name.java ; \
    cat args.args | xargs -d '\n' timeout -s KILL 3 java $name < stdin.stdin"