1524844897584 mozrunner::runner INFO Running command: "/usr/bin/firefox" "-marionette" "-profile" "/tmp/rust_mozprofile.03uYYDEKlJqG"
1524844898658 Marionette INFO Enabled via --marionette
1524844902926 Marionette INFO Listening on port 42221
1524844903020 Marionette WARN TLS certificate errors will be ignored for this session
*** UTM:SVC TimerManager:registerTimer called after profile-before-change notification. Ignoring timer registration for id: telemetry_modules_ping
1524844916032 geckodriver::marionette ERROR Failed to stop browser process