warning: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day8/src/main.rs:26:63
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day8/src/main.rs:26:30
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day6/src/main.rs:41:63
   |
41 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day6/src/main.rs:41:30
   |
41 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> day23/src/main.rs:91:22
   |
91 | fn run(instructions: &Vec<Instruction>, regs: &mut [u64; 2]) -> Result<()> {
   |                      ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
   = note: `#[warn(clippy::ptr_arg)]` on by default

warning: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day23/src/main.rs:37:63
   |
37 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day23/src/main.rs:37:30
   |
37 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day17/src/main.rs:27:63
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day17/src/main.rs:27:30
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day24/src/main.rs:26:63
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day24/src/main.rs:26:30
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day1/src/main.rs:22:63
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day1/src/main.rs:22:30
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day5/src/main.rs:26:63
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day5/src/main.rs:26:30
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day2/src/main.rs:22:63
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day2/src/main.rs:22:30
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day4/src/main.rs:22:63
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day4/src/main.rs:22:30
   |
22 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day3/src/main.rs:26:63
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day3/src/main.rs:26:30
   |
26 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: assigning the result of `Clone::clone()` may be inefficient
   --> day19/src/main.rs:131:17
    |
131 |                 test = t.clone();
    |                 ^^^^^^^^^^^^^^^^ help: use `clone_from()`: `test.clone_from(t)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
    = note: `#[warn(clippy::assigning_clones)]` on by default

warning: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day19/src/main.rs:28:63
   |
28 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day19/src/main.rs:28:30
   |
28 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day14/src/main.rs:36:63
   |
36 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day14/src/main.rs:36:30
   |
36 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day16/src/main.rs:38:63
   |
38 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day16/src/main.rs:38:30
   |
38 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day18/src/main.rs:37:63
   |
37 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day18/src/main.rs:37:30
   |
37 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day9/src/main.rs:27:63
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day9/src/main.rs:27:30
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
   --> day7/src/main.rs:147:12
    |
147 |     parts: &Vec<&str>,
    |            ^^^^^^^^^^ help: change this to: `&[&str]`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
    = note: `#[warn(clippy::ptr_arg)]` on by default

warning: assigning the result of `Clone::clone()` may be inefficient
  --> day7/src/main.rs:92:13
   |
92 |             vals = vals2.clone();
   |             ^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `vals.clone_from(&vals2)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones

warning: assigning the result of `Clone::clone()` may be inefficient
  --> day7/src/main.rs:91:13
   |
91 |             hm = hm2.clone();
   |             ^^^^^^^^^^^^^^^^ help: use `clone_from()`: `hm.clone_from(&hm2)`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones
   = note: `#[warn(clippy::assigning_clones)]` on by default

warning: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day7/src/main.rs:49:63
   |
49 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day7/src/main.rs:49:30
   |
49 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day12/src/main.rs:25:63
   |
25 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day12/src/main.rs:25:30
   |
25 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> day13/src/main.rs:91:72
   |
91 | fn compute_happiness(happy: &HashMap<&str, HashMap<&str, i64>>, table: &Vec<&str>) -> i64 {
   |                                                                        ^^^^^^^^^^ help: change this to: `&[&str]`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
   = note: `#[warn(clippy::ptr_arg)]` on by default

warning: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day13/src/main.rs:27:63
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day13/src/main.rs:27:30
   |
27 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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: `flatten()` will run forever if the iterator repeatedly produces an `Err`
  --> day15/src/main.rs:36:63
   |
36 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                                                               ^^^^^^^^^ 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
  --> day15/src/main.rs:36:30
   |
36 |     let lines: Vec<String> = io::BufReader::new(file).lines().flatten().collect();
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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