Parsed files in: 272.574618ms, at a speed of 32.39638ms per batch of 1000 documents (0.054% of 60 seconds) Retrieved languages in: 996.658463ms, at a speed of 118.62792ms per batch of 1000 documents (0.198% of 60 seconds) Retained news in: 1.407561ms, at a speed of 0.14202528ms per batch of 1000 documents (0.000% of 60 seconds) Loaded models in: 1.835658082s Categorized news in: 1.874747373s, at a speed of 266.15536ms per batch of 1000 documents (0.444% of 60 seconds) thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:378:21 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.