Parsed files in: 162.635074ms, at a speed of 33.36079ms per batch of 1000 documents (0.056% of 60 seconds) Retrieved languages in: 884.252364ms, at a speed of 182.04283ms per batch of 1000 documents (0.303% of 60 seconds) Retained news in: 782.344µs, at a speed of 0ms per batch of 1000 documents (0.000% of 60 seconds) Loaded models in: 2.051045671s Categorized news in: 1.905189481s, at a speed of 476.72675ms per batch of 1000 documents (0.795% 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.