Script exit with exit code 101

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Parsed files in: 515.255556ms, at a speed of 44.47707ms per batch of 1000 documents (0.074% of 60 seconds)
Retrieved languages in: 661.891555ms, at a speed of 57.0861ms per batch of 1000 documents (0.095% of 60 seconds)
Retained news in: 866.092µs, at a speed of 0ms per batch of 1000 documents (0.000% of 60 seconds)
Loaded models in: 2.115284938s
Categorized news in: 2.788945792s, at a speed of 714.13934ms per batch of 1000 documents (1.190% 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.