Environment variables are not carried over to the target process.

[posidron]

Example:

export NSPR_LOG_MODULES=all:5
python -m ffpuppet -e ../../domfuzz/dom/extension/ -p ../../grizzly-private/prefs/prefs-default.js /tmp/firefox/Nightly.app/Contents/MacOS/firefox -d -l log -u http://localhost:8000/test_harness.html -v