Parsed files in: 228.399439ms, at a speed of 21.965317ms per batch of 1000 documents (0.037% of 60 seconds) Retrieved languages in: 570.860974ms, at a speed of 54.913292ms per batch of 1000 documents (0.092% of 60 seconds) Retained news in: 508.056µs, at a speed of 0ms per batch of 1000 documents (0.000% of 60 seconds) Loaded models in: 1.736328586s Categorized news in: 1.90444526s, at a speed of 475.16846ms per batch of 1000 documents (0.792% 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.