warning: `filter_map()` will run forever if the iterator repeatedly produces an `Err`
  --> src/main.rs:74:26
   |
74 |                         .filter_map(Result::ok)
   |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `map_while(Result::ok)`
   |
note: this expression returning a `std::io::Lines` may produce an infinite number of `Err` in case of a read error
  --> src/main.rs:72:21
   |
72 | /                     io::BufReader::new(file)
73 | |                         .lines()
   | |________________________________^
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok

warning: `filter_map()` will run forever if the iterator repeatedly produces an `Err`
  --> src/main.rs:68:26
   |
68 |                         .filter_map(Result::ok)
   |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `map_while(Result::ok)`
   |
note: this expression returning a `std::io::Lines` may produce an infinite number of `Err` in case of a read error
  --> src/main.rs:65:21
   |
65 | /                     std::io::stdin()
66 | |                         .lock()
67 | |                         .lines()
   | |________________________________^
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok
   = note: `#[warn(clippy::lines_filter_map_ok)]` on by default

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/test/results.rs:85:45
   |
85 |             missed_words: calc_missed_words(&test),
   |                                             ^^^^^ help: change this to: `test`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
   = note: `#[warn(clippy::needless_borrow)]` on by default