warning: assigning the result of `ToOwned::to_owned()` may be inefficient
   --> src/config.rs:148:17
    |
148 | /                 self.classes_path = cfg_path
149 | |                     .with_file_name(vstr)
150 | |                     .to_str()
151 | |                     .ok_or(anyhow!("Can't create nodes path from config file"))?
152 | |                     .to_owned();
    | |_______________________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
note: the lint level is defined here
   --> src/lib.rs:2:9
    |
2   | #![warn(clippy::pedantic)]
    |         ^^^^^^^^^^^^^^^^
    = note: `#[warn(clippy::assigning_clones)]` implied by `#[warn(clippy::pedantic)]`
help: use `clone_into()`
    |
148 ~                 cfg_path
149 +                     .with_file_name(vstr)
150 +                     .to_str()
151 ~                     .ok_or(anyhow!("Can't create nodes path from config file"))?.clone_into(&mut self.classes_path);
    |

warning: associated items `new` and `merge_from` are never used
  --> src/list/mod.rs:7:8
   |
6  | pub trait List {
   |           ---- associated items in this trait
7  |     fn new() -> Self;
   |        ^^^
...
13 |     fn merge_from(&mut self, other: &Self);
   |        ^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default