[INFO] updating cached repository fireyang/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fireyang/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fireyang/advent_of_code_2018" "work/ex/clippy-test-run/sources/stable/gh/fireyang/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/fireyang/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fireyang/advent_of_code_2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fireyang/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fireyang/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78010f3f196ed98f7223f261ddc820a7eeac1eab
[INFO] sha for GitHub repo fireyang/advent_of_code_2018: 78010f3f196ed98f7223f261ddc820a7eeac1eab
[INFO] validating manifest of fireyang/advent_of_code_2018 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fireyang/advent_of_code_2018 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fireyang/advent_of_code_2018
[INFO] finished frobbing fireyang/advent_of_code_2018
[INFO] frobbed toml for fireyang/advent_of_code_2018 written to work/ex/clippy-test-run/sources/stable/gh/fireyang/advent_of_code_2018/Cargo.toml
[INFO] started frobbing fireyang/advent_of_code_2018
[INFO] finished frobbing fireyang/advent_of_code_2018
[INFO] frobbed toml for fireyang/advent_of_code_2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fireyang/advent_of_code_2018/Cargo.toml
[INFO] crate fireyang/advent_of_code_2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting fireyang/advent_of_code_2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/fireyang/advent_of_code_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5e98716410c8d21b4c80c325c162cbddcec84804d09660cbe43dd6a4d90598fb
[INFO] running `"docker" "start" "-a" "5e98716410c8d21b4c80c325c162cbddcec84804d09660cbe43dd6a4d90598fb"`
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day8.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     children: children,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day8.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     children: children,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day8.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     metas: metas,
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: replace it with: `metas`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day8.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     metas: metas,
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: replace it with: `metas`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/common/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Ok(lines);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(lines)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day1.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day1 {
[INFO] [stderr] 2  | |     use std::collections::HashSet;
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     #[allow(dead_code)]
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return result;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return current;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `current`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day10.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day10 {
[INFO] [stderr] 2   | |     use std::collections::HashSet;
[INFO] [stderr] 3   | |
[INFO] [stderr] 4   | |     #[allow(dead_code)]
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |     }
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day11.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day11 {
[INFO] [stderr] 2  | |     // use std::collections::HashSet;
[INFO] [stderr] 3  | |     // use std::num::Float;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day12.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day12 {
[INFO] [stderr] 2  | |     use std::collections::HashMap;
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     #[allow(dead_code)]
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day2.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day2 {
[INFO] [stderr] 2  | |     // use std::collections::HashSet;
[INFO] [stderr] 3  | |     use std::collections::HashMap;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day3.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day3 {
[INFO] [stderr] 2  | |     use std::collections::HashMap;
[INFO] [stderr] 3  | |     use std::collections::HashSet;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     }
[INFO] [stderr] 70 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/day3.rs:56:25
[INFO] [stderr]    |
[INFO] [stderr] 56 |                         ()
[INFO] [stderr]    |                         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/day3.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         ()
[INFO] [stderr]    |                         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day4.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day4 {
[INFO] [stderr] 2   | |     extern crate chrono;
[INFO] [stderr] 3   | |     use chrono::prelude::*;
[INFO] [stderr] 4   | |     use std::collections::HashMap;
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |     }
[INFO] [stderr] 127 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/day4.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |               } else {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 49 | |                 if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 50 | |                     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 51 | |                     if x.contains("falls asleep") {
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                 }
[INFO] [stderr] 59 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 48 |             } else if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 49 |     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 50 |     if x.contains("falls asleep") {
[INFO] [stderr] 51 |         current.fall_sleep = tm;
[INFO] [stderr] 52 |     } else if x.contains("wakes up") {
[INFO] [stderr] 53 |         for i in current.fall_sleep..tm {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/day4.rs:99:20
[INFO] [stderr]     |
[INFO] [stderr] 99  |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 100 | |                 if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 101 | |                     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 102 | |                     if x.contains("falls asleep") {
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | |                 }
[INFO] [stderr] 110 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 99  |             } else if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 100 |     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 101 |     if x.contains("falls asleep") {
[INFO] [stderr] 102 |         current.fall_sleep = tm;
[INFO] [stderr] 103 |     } else if x.contains("wakes up") {
[INFO] [stderr] 104 |         for i in current.fall_sleep..tm {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day5.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day5 {
[INFO] [stderr] 2  | |     extern crate regex;
[INFO] [stderr] 3  | |     use std::collections::LinkedList;
[INFO] [stderr] 4  | |     // use std::collections::HashMap;
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/day5.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 o
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/day5.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let o = part1(s);
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day6.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day6 {
[INFO] [stderr] 2   | |     use std::collections::HashMap;
[INFO] [stderr] 3   | |     // use std::collections::HashSet;
[INFO] [stderr] 4   | |
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day7.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day7 {
[INFO] [stderr] 2   | |     use std::collections::HashMap;
[INFO] [stderr] 3   | |     // use std::collections::HashSet;
[INFO] [stderr] 4   | |     lazy_static! {
[INFO] [stderr] ...   |
[INFO] [stderr] 129 | |     }
[INFO] [stderr] 130 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day7.rs:97:25
[INFO] [stderr]    |
[INFO] [stderr] 97 |                         return (*head, *life - 1);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*head, *life - 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day7.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         return (*head, *life);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*head, *life)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day8.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day8 {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |     #[derive(Debug)]
[INFO] [stderr] 4  | |     struct Node {
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |     }
[INFO] [stderr] 60 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day9.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day9 {
[INFO] [stderr] 2   | |     extern crate linked_list;
[INFO] [stderr] 3   | |     use std::collections::HashMap;
[INFO] [stderr] 4   | |     // use std::collections::HashSet;
[INFO] [stderr] ...   |
[INFO] [stderr] 213 | |
[INFO] [stderr] 214 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `prelude::*`, `self`
[INFO] [stderr]  --> src/day9.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use std::io::{self, prelude::*};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/day9.rs:98:37
[INFO] [stderr]    |
[INFO] [stderr] 98 |             if i % 10000 ==0 || i > 7100000{
[INFO] [stderr]    |                                     ^^^^^^^ help: consider: `7_100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/day9.rs:194:19
[INFO] [stderr]     |
[INFO] [stderr] 194 |               } else{
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 195 | |                 if cursor.prev().is_none() {
[INFO] [stderr] 196 | |                     cursor.prev();
[INFO] [stderr] 197 | |                 }
[INFO] [stderr] 198 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 194 |             } elseif cursor.prev().is_none() {
[INFO] [stderr] 195 |     cursor.prev();
[INFO] [stderr] 196 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day9.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             return 0;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day9.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             return next as usize % len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `next as usize % len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/common/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Ok(lines);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(lines)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day1.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day1 {
[INFO] [stderr] 2  | |     use std::collections::HashSet;
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     #[allow(dead_code)]
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return result;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return current;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `current`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         return Ok(lines);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(lines)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         return r;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `r`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day1.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         return r;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `r`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day10.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day10 {
[INFO] [stderr] 2   | |     use std::collections::HashSet;
[INFO] [stderr] 3   | |
[INFO] [stderr] 4   | |     #[allow(dead_code)]
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |     }
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day11.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day11 {
[INFO] [stderr] 2  | |     // use std::collections::HashSet;
[INFO] [stderr] 3  | |     // use std::num::Float;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day12.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day12 {
[INFO] [stderr] 2  | |     use std::collections::HashMap;
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     #[allow(dead_code)]
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day12.rs:108:26
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let sum = pre + (50000000000i64 - 124) * (next - pre);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^ help: consider: `50_000_000_000i64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day12.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |         assert_eq!(sum, 3150000000905i64);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: consider: `3_150_000_000_905i64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day2.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day2 {
[INFO] [stderr] 2  | |     // use std::collections::HashSet;
[INFO] [stderr] 3  | |     use std::collections::HashMap;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day3.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day3 {
[INFO] [stderr] 2  | |     use std::collections::HashMap;
[INFO] [stderr] 3  | |     use std::collections::HashSet;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     }
[INFO] [stderr] 70 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/day3.rs:56:25
[INFO] [stderr]    |
[INFO] [stderr] 56 |                         ()
[INFO] [stderr]    |                         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/day3.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         ()
[INFO] [stderr]    |                         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/day3.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         c
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/day3.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |           let c = Box::new(Claim {
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 86 | |             id: v[0],
[INFO] [stderr] 87 | |             left: v[1],
[INFO] [stderr] 88 | |             top: v[2],
[INFO] [stderr] 89 | |             wide: v[3],
[INFO] [stderr] 90 | |             tall: v[4],
[INFO] [stderr] 91 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day3.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |         assert_eq!(r2, 105071);
[INFO] [stderr]     |                        ^^^^^^ help: consider: `105_071`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day4.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day4 {
[INFO] [stderr] 2   | |     extern crate chrono;
[INFO] [stderr] 3   | |     use chrono::prelude::*;
[INFO] [stderr] 4   | |     use std::collections::HashMap;
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |     }
[INFO] [stderr] 127 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/day4.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |               } else {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 49 | |                 if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 50 | |                     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 51 | |                     if x.contains("falls asleep") {
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                 }
[INFO] [stderr] 59 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 48 |             } else if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 49 |     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 50 |     if x.contains("falls asleep") {
[INFO] [stderr] 51 |         current.fall_sleep = tm;
[INFO] [stderr] 52 |     } else if x.contains("wakes up") {
[INFO] [stderr] 53 |         for i in current.fall_sleep..tm {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/day4.rs:99:20
[INFO] [stderr]     |
[INFO] [stderr] 99  |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 100 | |                 if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 101 | |                     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 102 | |                     if x.contains("falls asleep") {
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | |                 }
[INFO] [stderr] 110 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 99  |             } else if let Some(current) = user_map.get_mut(&current_id) {
[INFO] [stderr] 100 |     let tm: i32 = dt.minute() as i32;
[INFO] [stderr] 101 |     if x.contains("falls asleep") {
[INFO] [stderr] 102 |         current.fall_sleep = tm;
[INFO] [stderr] 103 |     } else if x.contains("wakes up") {
[INFO] [stderr] 104 |         for i in current.fall_sleep..tm {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day5.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day5 {
[INFO] [stderr] 2  | |     extern crate regex;
[INFO] [stderr] 3  | |     use std::collections::LinkedList;
[INFO] [stderr] 4  | |     // use std::collections::HashMap;
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/day5.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 o
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/day5.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let o = part1(s);
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day6.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day6 {
[INFO] [stderr] 2   | |     use std::collections::HashMap;
[INFO] [stderr] 3   | |     // use std::collections::HashSet;
[INFO] [stderr] 4   | |
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |     }
[INFO] [stderr] 165 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/day6.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         points
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/day6.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |           let points = val
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 182 | |             .split('\n')
[INFO] [stderr] 183 | |             .map(|x| x.trim())
[INFO] [stderr] 184 | |             .filter(|&x| x.len() != 0)
[INFO] [stderr] ...   |
[INFO] [stderr] 192 | |             })
[INFO] [stderr] 193 | |             .collect();
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day7.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day7 {
[INFO] [stderr] 2   | |     use std::collections::HashMap;
[INFO] [stderr] 3   | |     // use std::collections::HashSet;
[INFO] [stderr] 4   | |     lazy_static! {
[INFO] [stderr] ...   |
[INFO] [stderr] 129 | |     }
[INFO] [stderr] 130 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day7.rs:97:25
[INFO] [stderr]    |
[INFO] [stderr] 97 |                         return (*head, *life - 1);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*head, *life - 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day7.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         return (*head, *life);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(*head, *life)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]   --> src/day8.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / mod day8 {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |     #[derive(Debug)]
[INFO] [stderr] 4  | |     struct Node {
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |     }
[INFO] [stderr] 60 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]    --> src/day9.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / mod day9 {
[INFO] [stderr] 2   | |     extern crate linked_list;
[INFO] [stderr] 3   | |     use std::collections::HashMap;
[INFO] [stderr] 4   | |     // use std::collections::HashSet;
[INFO] [stderr] ...   |
[INFO] [stderr] 213 | |
[INFO] [stderr] 214 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `prelude::*`, `self`
[INFO] [stderr]  --> src/day9.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use std::io::{self, prelude::*};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/day9.rs:98:37
[INFO] [stderr]    |
[INFO] [stderr] 98 |             if i % 10000 ==0 || i > 7100000{
[INFO] [stderr]    |                                     ^^^^^^^ help: consider: `7_100_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/day9.rs:194:19
[INFO] [stderr]     |
[INFO] [stderr] 194 |               } else{
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 195 | |                 if cursor.prev().is_none() {
[INFO] [stderr] 196 | |                     cursor.prev();
[INFO] [stderr] 197 | |                 }
[INFO] [stderr] 198 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 194 |             } elseif cursor.prev().is_none() {
[INFO] [stderr] 195 |     cursor.prev();
[INFO] [stderr] 196 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day9.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             return 0;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day9.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             return next as usize % len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `next as usize % len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day9.rs:226:47
[INFO] [stderr]     |
[INFO] [stderr] 226 |         assert_eq!(day9::part1(13, 23, 7999), 146373);
[INFO] [stderr]     |                                               ^^^^^^ help: consider: `146_373`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day9.rs:231:49
[INFO] [stderr]     |
[INFO] [stderr] 231 |         assert_eq!(day9::part2(468, 23, 71010), 374287);
[INFO] [stderr]     |                                                 ^^^^^^ help: consider: `374_287`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/day9.rs:235:55
[INFO] [stderr]     |
[INFO] [stderr] 235 |         assert_eq!(day9::part2(468, 23, 71010 * 100), 1380094);
[INFO] [stderr]     |                                                       ^^^^^^^ help: consider: `1_380_094`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `multiple`
[INFO] [stderr]    --> src/day9.rs:167:38
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn part2b(player_count: i32, multiple: i32, points: i32 ) -> usize {
[INFO] [stderr]     |                                      ^^^^^^^^ help: consider using `_multiple` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day10.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn print_msg(input: &Vec<(i32, i32, i32, i32)>, time: i32) {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32, i32, i32)]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn part1(input: &Vec<(i32, i32, i32, i32)>, start: i32, times: i32, step: usize) -> i32 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32, i32, i32)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day12.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn part1(init: &str, temp: &Vec<(&str, &str)>, generation: i32) -> i32 {
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]   --> src/day2.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |             for (_, num) in &h {
[INFO] [stderr]    |                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]    |
[INFO] [stderr] 19 |             for num in h.values() {
[INFO] [stderr]    |                 ^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day2.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let str1 = vec.get(i).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: try this: `vec[i]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day2.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let str2 = vec.get(j).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: try this: `vec[j]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day4.rs:41:31
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let id: i32 = split_vec.get(3).unwrap().parse().unwrap();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&split_vec[3]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day4.rs:43:44
[INFO] [stderr]    |
[INFO] [stderr] 43 |                   user_map.entry(current_id).or_insert(Box::new(Guard {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 44 | |                     id: current_id,
[INFO] [stderr] 45 | |                     fall_sleep: 0,
[INFO] [stderr] 46 | |                     sleeps: vec![0; 60],
[INFO] [stderr] 47 | |                 }));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 user_map.entry(current_id).or_insert_with(|| Box::new(Guard {
[INFO] [stderr] 44 |                     id: current_id,
[INFO] [stderr] 45 |                     fall_sleep: 0,
[INFO] [stderr] 46 |                     sleeps: vec![0; 60],
[INFO] [stderr] 47 |                 }));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day4.rs:92:31
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 let id: i32 = split_vec.get(3).unwrap().parse().unwrap();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&split_vec[3]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day4.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   user_map.entry(current_id).or_insert(Box::new(Guard {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 95 | |                     id: current_id,
[INFO] [stderr] 96 | |                     fall_sleep: 0,
[INFO] [stderr] 97 | |                     sleeps: vec![0; 60],
[INFO] [stderr] 98 | |                 }));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 user_map.entry(current_id).or_insert_with(|| Box::new(Guard {
[INFO] [stderr] 95 |                     id: current_id,
[INFO] [stderr] 96 |                     fall_sleep: 0,
[INFO] [stderr] 97 |                     sleeps: vec![0; 60],
[INFO] [stderr] 98 |                 }));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]  --> src/day5.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn check_react(a: char, b: &char) -> bool {
[INFO] [stderr]   |                                ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day5.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn remove_type_unit(input: &String, c: &char) -> String {
[INFO] [stderr]    |                                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/day5.rs:33:48
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn remove_type_unit(input: &String, c: &char) -> String {
[INFO] [stderr]    |                                                ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day5.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn scan_letter(input: &String) -> HashSet<char> {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in -step..step + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |             for j in -step..step + 1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `multiple`
[INFO] [stderr]    --> src/day9.rs:167:38
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn part2b(player_count: i32, multiple: i32, points: i32 ) -> usize {
[INFO] [stderr]     |                                      ^^^^^^^^ help: consider using `_multiple` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for i in -step..step + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |             for j in -step..step + 1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day7.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn part1(input: &Vec<(&str, &str)>) -> String {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day7.rs:23:39
[INFO] [stderr]    |
[INFO] [stderr] 23 |             let k = sort_map.entry(p).or_insert(Vec::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/day7.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 | /             match deep_map.get(k) {
[INFO] [stderr] 33 | |                 None => {
[INFO] [stderr] 34 | |                     quene.push(k);
[INFO] [stderr] 35 | |                 }
[INFO] [stderr] 36 | |                 _ => (),
[INFO] [stderr] 37 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 |             if let None = deep_map.get(k) {
[INFO] [stderr] 33 |     quene.push(k);
[INFO] [stderr] 34 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day7.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |         while quene.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!quene.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day7.rs:64:25
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn part2(input: &Vec<(&str, &str)>, worker_count: usize, base: i32) -> i32 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day7.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let k = sort_map.entry(p1).or_insert(Vec::new());
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/day7.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 | /             match deep_map.get(k) {
[INFO] [stderr] 80 | |                 None => {
[INFO] [stderr] 81 | |                     quene.push((*k, *k + base));
[INFO] [stderr] 82 | |                 }
[INFO] [stderr] 83 | |                 _ => (),
[INFO] [stderr] 84 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 79 |             if let None = deep_map.get(k) {
[INFO] [stderr] 80 |     quene.push((*k, *k + base));
[INFO] [stderr] 81 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day7.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 |         while quene.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!quene.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day8.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |             if self.children.len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.children.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/day8.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         (0..num)
[INFO] [stderr] 33 | |             .into_iter()
[INFO] [stderr]    | |________________________^ help: consider removing `.into_iter()`: `(0..num)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/day9.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         pub fn new(val:&i32) -> RefCell<Box<Node>>{
[INFO] [stderr]    |                        ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day9.rs:80:18
[INFO] [stderr]    |
[INFO] [stderr] 80 |         for i in 1..points+1{
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: use: `1..=points`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day9.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     current = current -len;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current -= len`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day9.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 *score += i as i64 + remove_score as i64;
[INFO] [stderr]    |                           ^^^^^^^^ help: try: `i64::from(i)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day9.rs:93:38
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 *score += i as i64 + remove_score as i64;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(remove_score)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/day9.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             current_player = current_player % player_count;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_player %= player_count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day9.rs:135:27
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 *score += i as i64 + v as i64;
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `i64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day9.rs:135:38
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 *score += i as i64 + v as i64;
[INFO] [stderr]     |                                      ^^^^^^^^ help: try: `i64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/day9.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 m.entry(i).or_insert(current.clone());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| current.clone())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/day9.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             current_player = current_player % player_count;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_player %= player_count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day1.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |         val.split(",").map(|v| v.trim().to_string()).collect()
[INFO] [stderr]    |                   ^^^ help: try using a char instead: `','`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day10.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn print_msg(input: &Vec<(i32, i32, i32, i32)>, time: i32) {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32, i32, i32)]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn part1(input: &Vec<(i32, i32, i32, i32)>, start: i32, times: i32, step: usize) -> i32 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(i32, i32, i32, i32)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/day10.rs:113:28
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn parse_from_str(val: &String) -> Vec<(i32, i32, i32, i32)> {
[INFO] [stderr]     |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/day10.rs:116:26
[INFO] [stderr]     |
[INFO] [stderr] 116 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day12.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn part1(init: &str, temp: &Vec<(&str, &str)>, generation: i32) -> i32 {
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day12.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn parse_from_str(val: &String) -> (&str, Vec<(&str, &str)>) {
[INFO] [stderr]    |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day12.rs:73:26
[INFO] [stderr]    |
[INFO] [stderr] 73 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day12.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let pre = day12::part1(init_state2, &temp2, 124) as i64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(day12::part1(init_state2, &temp2, 124))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day12.rs:107:20
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let next = day12::part1(init_state2, &temp2, 125) as i64;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(day12::part1(init_state2, &temp2, 125))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]   --> src/day2.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |             for (_, num) in &h {
[INFO] [stderr]    |                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]    |
[INFO] [stderr] 19 |             for num in h.values() {
[INFO] [stderr]    |                 ^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day2.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let str1 = vec.get(i).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: try this: `vec[i]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day2.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let str2 = vec.get(j).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: try this: `vec[j]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day3.rs:99:26
[INFO] [stderr]    |
[INFO] [stderr] 99 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day4.rs:41:31
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let id: i32 = split_vec.get(3).unwrap().parse().unwrap();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&split_vec[3]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day4.rs:43:44
[INFO] [stderr]    |
[INFO] [stderr] 43 |                   user_map.entry(current_id).or_insert(Box::new(Guard {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 44 | |                     id: current_id,
[INFO] [stderr] 45 | |                     fall_sleep: 0,
[INFO] [stderr] 46 | |                     sleeps: vec![0; 60],
[INFO] [stderr] 47 | |                 }));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 user_map.entry(current_id).or_insert_with(|| Box::new(Guard {
[INFO] [stderr] 44 |                     id: current_id,
[INFO] [stderr] 45 |                     fall_sleep: 0,
[INFO] [stderr] 46 |                     sleeps: vec![0; 60],
[INFO] [stderr] 47 |                 }));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/day4.rs:92:31
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 let id: i32 = split_vec.get(3).unwrap().parse().unwrap();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&split_vec[3]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day4.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 |                   user_map.entry(current_id).or_insert(Box::new(Guard {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 95 | |                     id: current_id,
[INFO] [stderr] 96 | |                     fall_sleep: 0,
[INFO] [stderr] 97 | |                     sleeps: vec![0; 60],
[INFO] [stderr] 98 | |                 }));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 user_map.entry(current_id).or_insert_with(|| Box::new(Guard {
[INFO] [stderr] 95 |                     id: current_id,
[INFO] [stderr] 96 |                     fall_sleep: 0,
[INFO] [stderr] 97 |                     sleeps: vec![0; 60],
[INFO] [stderr] 98 |                 }));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/day4.rs:137:26
[INFO] [stderr]     |
[INFO] [stderr] 137 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]  --> src/day5.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn check_react(a: char, b: &char) -> bool {
[INFO] [stderr]   |                                ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day5.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn remove_type_unit(input: &String, c: &char) -> String {
[INFO] [stderr]    |                                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/day5.rs:33:48
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn remove_type_unit(input: &String, c: &char) -> String {
[INFO] [stderr]    |                                                ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day5.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn scan_letter(input: &String) -> HashSet<char> {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for i in -step..step + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |             for j in -step..step + 1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for i in -step..step + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day6.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |             for j in -step..step + 1 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use: `-step..=step`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/day6.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/day6.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     .split(",")
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day7.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn part1(input: &Vec<(&str, &str)>) -> String {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day7.rs:23:39
[INFO] [stderr]    |
[INFO] [stderr] 23 |             let k = sort_map.entry(p).or_insert(Vec::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/day7.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 | /             match deep_map.get(k) {
[INFO] [stderr] 33 | |                 None => {
[INFO] [stderr] 34 | |                     quene.push(k);
[INFO] [stderr] 35 | |                 }
[INFO] [stderr] 36 | |                 _ => (),
[INFO] [stderr] 37 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 |             if let None = deep_map.get(k) {
[INFO] [stderr] 33 |     quene.push(k);
[INFO] [stderr] 34 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day7.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |         while quene.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!quene.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day7.rs:64:25
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn part2(input: &Vec<(&str, &str)>, worker_count: usize, base: i32) -> i32 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&str, &str)]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/day7.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let k = sort_map.entry(p1).or_insert(Vec::new());
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/day7.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 | /             match deep_map.get(k) {
[INFO] [stderr] 80 | |                 None => {
[INFO] [stderr] 81 | |                     quene.push((*k, *k + base));
[INFO] [stderr] 82 | |                 }
[INFO] [stderr] 83 | |                 _ => (),
[INFO] [stderr] 84 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 79 |             if let None = deep_map.get(k) {
[INFO] [stderr] 80 |     quene.push((*k, *k + base));
[INFO] [stderr] 81 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day7.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 |         while quene.len() > 0 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!quene.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/day7.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn parse_from_str(val: &String) -> Vec<(&str, &str)> {
[INFO] [stderr]     |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/day7.rs:151:26
[INFO] [stderr]     |
[INFO] [stderr] 151 |             .filter(|&x| x.len() != 0)
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!x.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/day8.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |             if self.children.len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.children.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/day8.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         (0..num)
[INFO] [stderr] 33 | |             .into_iter()
[INFO] [stderr]    | |________________________^ help: consider removing `.into_iter()`: `(0..num)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day8.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn parse_from_str(val: &String) -> Vec<i32> {
[INFO] [stderr]    |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/day9.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         pub fn new(val:&i32) -> RefCell<Box<Node>>{
[INFO] [stderr]    |                        ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/day9.rs:80:18
[INFO] [stderr]    |
[INFO] [stderr] 80 |         for i in 1..points+1{
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: use: `1..=points`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day9.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     current = current -len;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current -= len`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day9.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 *score += i as i64 + remove_score as i64;
[INFO] [stderr]    |                           ^^^^^^^^ help: try: `i64::from(i)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day9.rs:93:38
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 *score += i as i64 + remove_score as i64;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(remove_score)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/day9.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             current_player = current_player % player_count;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_player %= player_count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day9.rs:135:27
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 *score += i as i64 + v as i64;
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `i64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/day9.rs:135:38
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 *score += i as i64 + v as i64;
[INFO] [stderr]     |                                      ^^^^^^^^ help: try: `i64::from(v)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/day9.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 m.entry(i).or_insert(current.clone());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| current.clone())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/day9.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             current_player = current_player % player_count;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `current_player %= player_count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "5e98716410c8d21b4c80c325c162cbddcec84804d09660cbe43dd6a4d90598fb"`
[INFO] running `"docker" "rm" "-f" "5e98716410c8d21b4c80c325c162cbddcec84804d09660cbe43dd6a4d90598fb"`
[INFO] [stdout] 5e98716410c8d21b4c80c325c162cbddcec84804d09660cbe43dd6a4d90598fb