after installing with cargo ...
thread 'main' panicked at 'called Option::unwrap() on a None value', /home/nadim/.cargo/registry/src/github.com-1ecc6299db9ec823/dutree-0.2.18/src/lib.rs:565:36
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
after installing with cargo ...
thread 'main' panicked at 'called
Option::unwrap()on aNonevalue', /home/nadim/.cargo/registry/src/github.com-1ecc6299db9ec823/dutree-0.2.18/src/lib.rs:565:36note: run with
RUST_BACKTRACE=1environment variable to display a backtrace