[INFO] cloning repository https://github.com/pjsph/advent_of_code_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjsph/advent_of_code_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjsph%2Fadvent_of_code_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjsph%2Fadvent_of_code_2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9d6f2d42412c0c3b5ffc3281ad94ee80075b3ba
[INFO] linting pjsph/advent_of_code_2024 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjsph%2Fadvent_of_code_2024" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pjsph/advent_of_code_2024
[INFO] finished tweaking git repo https://github.com/pjsph/advent_of_code_2024
[INFO] tweaked toml for git repo https://github.com/pjsph/advent_of_code_2024 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pjsph/advent_of_code_2024 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pjsph/advent_of_code_2024 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8158e66225ad6f109f14f13df0926eff2b83cd329e19b871021798f53b15821
[INFO] running `Command { std: "docker" "start" "-a" "e8158e66225ad6f109f14f13df0926eff2b83cd329e19b871021798f53b15821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8158e66225ad6f109f14f13df0926eff2b83cd329e19b871021798f53b15821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8158e66225ad6f109f14f13df0926eff2b83cd329e19b871021798f53b15821", kill_on_drop: false }`
[INFO] [stdout] e8158e66225ad6f109f14f13df0926eff2b83cd329e19b871021798f53b15821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c76a5575e5a9d96ff3f926e4c213fcec16644f17f9d1d186b7abdc9352be732
[INFO] running `Command { std: "docker" "start" "-a" "4c76a5575e5a9d96ff3f926e4c213fcec16644f17f9d1d186b7abdc9352be732", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/day02/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     'outer: for line_res in reader.lines() {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/day02/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     'outer: for line_res in reader.lines() {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day02/main.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout] 62 + fn check_line(numbers: &Vec<i32>) -> Result<(), usize >  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HORIZONTAL_RIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     HORIZONTAL_RIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HorizontalRight`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HORIZONTAL_LEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     HORIZONTAL_LEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HorizontalLeft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VERTICAL_UP` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     VERTICAL_UP,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `VerticalUp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VERTICAL_DOWN` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     VERTICAL_DOWN,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VerticalDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_UPRIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     DIAGONAL_UPRIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalUpright`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_UPLEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     DIAGONAL_UPLEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalUpleft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_DOWNRIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     DIAGONAL_DOWNRIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalDownright`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_DOWNLEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     DIAGONAL_DOWNLEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalDownleft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/day05/main.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader, Write};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/day02/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     'outer: for line_res in reader.lines() {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/day02/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     'outer: for line_res in reader.lines() {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day02/main.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout] 62 + fn check_line(numbers: &Vec<i32>) -> Result<(), usize >  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HORIZONTAL_RIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     HORIZONTAL_RIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HorizontalRight`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HORIZONTAL_LEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     HORIZONTAL_LEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HorizontalLeft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VERTICAL_UP` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     VERTICAL_UP,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `VerticalUp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VERTICAL_DOWN` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     VERTICAL_DOWN,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VerticalDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_UPRIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     DIAGONAL_UPRIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalUpright`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_UPLEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     DIAGONAL_UPLEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalUpleft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_DOWNRIGHT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     DIAGONAL_DOWNRIGHT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalDownright`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DIAGONAL_DOWNLEFT` should have an upper camel case name
[INFO] [stdout]    --> src/day04/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     DIAGONAL_DOWNLEFT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DiagonalDownleft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/day05/main.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader, Write};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_NORTH` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     FACING_NORTH,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingNorth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_EAST` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     FACING_EAST,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingEast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_SOUTH` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     FACING_SOUTH,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingSouth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_WEST` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     FACING_WEST,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingWest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OUT_OF_BOUND` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 |     OUT_OF_BOUND,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OutOfBound`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_NORTH` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     FACING_NORTH,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingNorth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_EAST` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     FACING_EAST,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingEast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_SOUTH` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     FACING_SOUTH,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingSouth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FACING_WEST` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     FACING_WEST,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FacingWest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OUT_OF_BOUND` should have an upper camel case name
[INFO] [stdout]    --> src/day06/main.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 |     OUT_OF_BOUND,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `OutOfBound`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day03/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut start_index = curr_index;
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_index` is never read
[INFO] [stdout]    --> src/day06/main.rs:201:33
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut next_index: usize = 0;
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day01/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day01/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day02/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_line` is never used
[INFO] [stdout]   --> src/day02/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day03/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_consume_str` is never used
[INFO] [stdout]   --> src/day03/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn try_consume_str(input: &Vec<char>, curr_index: &mut usize, token: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_consume_alpha` is never used
[INFO] [stdout]    --> src/day03/main.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn try_consume_alpha(input: &Vec<char>, curr_index: &mut usize) -> Result<u32, ()> { 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance` is never used
[INFO] [stdout]    --> src/day03/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek` is never used
[INFO] [stdout]    --> src/day03/main.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day04/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_validity` is never used
[INFO] [stdout]   --> src/day04/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn check_validity(len: usize, line_width: usize, center: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_word` is never used
[INFO] [stdout]   --> src/day04/main.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CheckDirection` is never used
[INFO] [stdout]    --> src/day04/main.rs:189:6
[INFO] [stdout]     |
[INFO] [stdout] 189 | enum CheckDirection {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `values` is never used
[INFO] [stdout]    --> src/day04/main.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl CheckDirection {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 201 |     pub fn values() -> Vec<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day05/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day06/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day06/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_path` is never used
[INFO] [stdout]    --> src/day06/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn compute_path(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]    --> src/day06/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn step(
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `turn_right` is never used
[INFO] [stdout]    --> src/day06/main.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn turn_right(direction: Direction) -> Direction {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_forward` is never used
[INFO] [stdout]    --> src/day06/main.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn move_forward(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/day06/main.rs:241:6
[INFO] [stdout]     |
[INFO] [stdout] 241 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/day06/main.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 249 | enum Action {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MoveError` is never used
[INFO] [stdout]    --> src/day06/main.rs:254:6
[INFO] [stdout]     |
[INFO] [stdout] 254 | enum MoveError {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `numbers1`
[INFO] [stdout]   --> src/day01/main.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for i in 0..numbers1.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 57 -     for i in 0..numbers1.len() {
[INFO] [stdout] 57 +     for <item> in &numbers1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/day02/main.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                         match check_line(&corrected_numbers) {
[INFO] [stdout] 47 | |                             Ok(()) => {
[INFO] [stdout] 48 | |                                 sum += 1;
[INFO] [stdout] 49 | |                                 break;
[INFO] [stdout] 50 | |                             },
[INFO] [stdout] 51 | |                             Err(_) => {}
[INFO] [stdout] 52 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 46 ~                         if let Ok(()) = check_line(&corrected_numbers) {
[INFO] [stdout] 47 +                             sum += 1;
[INFO] [stdout] 48 +                             break;
[INFO] [stdout] 49 +                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day02/main.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout] 62 + fn check_line(numbers: &[i32]) -> Result<(), (usize)>  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/day03/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 | /                         if try_consume_str(&input, &mut curr_index, ")") {
[INFO] [stdout] 75 | |                             if enabled {
[INFO] [stdout] 76 | |                                 count += a*b;
[INFO] [stdout] 77 | |                             }
[INFO] [stdout] 78 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 74 ~                         if try_consume_str(&input, &mut curr_index, ")")
[INFO] [stdout] 75 ~                             && enabled {
[INFO] [stdout] 76 |                                 count += a*b;
[INFO] [stdout] 77 ~                             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/day03/main.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     while peek(input, *curr_index).is_digit(10) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `peek(input, *curr_index).is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice`
[INFO] [stdout]    --> src/day03/main.rs:112:50
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let parse = &input[start_index..*curr_index].into_iter().map(|c| c.to_digit(10)).try_fold(0, |ans, i| i.map(|i| ans * 10 + i));
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day03/main.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 121 - fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout] 121 + fn advance(input: &[char], curr_index: &mut usize) -> char {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day03/main.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 127 - fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout] 127 + fn peek(input: &[char], curr_index: usize) -> char {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day04/main.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout] 91 + fn check_word(word_list: &[char], word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/day05/main.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let split_index = lines.iter().position(|el| el == "").unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^ help: using `is_empty` is clearer and more explicit: `el.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/day05/main.rs:72:50
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let split_index = lines.iter().position(|el| el == "").unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^ help: using `is_empty` is clearer and more explicit: `el.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `bad_updates`
[INFO] [stdout]    --> src/day05/main.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for i in 0..bad_updates.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 102 -     for i in 0..bad_updates.len() {
[INFO] [stdout] 102 +     for <item> in &mut bad_updates {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this looks like you are swapping elements of `update` manually
[INFO] [stdout]    --> src/day05/main.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                     let tmp = update[i];
[INFO] [stdout] 120 | |                     update[i] = update[j];
[INFO] [stdout] 121 | |                     update[j] = tmp;
[INFO] [stdout]     | |____________________________________^ help: try: `update.swap(i, j);`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stdout]     = note: `#[warn(clippy::manual_swap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day05/main.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn is_update_good(update: &Vec<u32>, rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 128 - fn is_update_good(update: &Vec<u32>, rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout] 128 + fn is_update_good(update: &[u32], rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `chars`
[INFO] [stdout]   --> src/day06/main.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for i in 0..chars.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 29 -     for i in 0..chars.len() {
[INFO] [stdout] 29 +     for (i, <item>) in chars.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/day06/main.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if !compute_path(&new_chars, line_width, start_index, start_direction).is_ok() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `compute_path(&new_chars, line_width, start_index, start_direction).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `chars`
[INFO] [stdout]   --> src/day06/main.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for i in 0..chars.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 74 -     for i in 0..chars.len() {
[INFO] [stdout] 74 +     for (i, <item>) in chars.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/day06/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/day06/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | /     loop {
[INFO] [stdout] 124 | |         if let Ok(action) = step(chars, line_width, &mut curr_index, &mut curr_direction) {
[INFO] [stdout] 125 | |             match action {
[INFO] [stdout] 126 | |                 Action::MOVE => {
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout]     | |_____^ help: try: `while let Ok(action) = step(chars, line_width, &mut curr_index, &mut curr_direction) { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day06/main.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |     chars: &Vec<char>,
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 196 -     chars: &Vec<char>,
[INFO] [stdout] 196 +     chars: &[char],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `MOVE` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     MOVE,
[INFO] [stdout]     |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Move`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]     = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `TURN` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     TURN,
[INFO] [stdout]     |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Turn`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `OBSTACLE` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     OBSTACLE,
[INFO] [stdout]     |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Obstacle`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/day06/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         std::io::stdout().flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = std::io::stdout().flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day03/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut start_index = curr_index;
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_index` is never read
[INFO] [stdout]    --> src/day06/main.rs:201:33
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut next_index: usize = 0;
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day01/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day01/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day02/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_line` is never used
[INFO] [stdout]   --> src/day02/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day03/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_consume_str` is never used
[INFO] [stdout]   --> src/day03/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn try_consume_str(input: &Vec<char>, curr_index: &mut usize, token: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_consume_alpha` is never used
[INFO] [stdout]    --> src/day03/main.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn try_consume_alpha(input: &Vec<char>, curr_index: &mut usize) -> Result<u32, ()> { 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance` is never used
[INFO] [stdout]    --> src/day03/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek` is never used
[INFO] [stdout]    --> src/day03/main.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day04/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_validity` is never used
[INFO] [stdout]   --> src/day04/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn check_validity(len: usize, line_width: usize, center: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_word` is never used
[INFO] [stdout]   --> src/day04/main.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CheckDirection` is never used
[INFO] [stdout]    --> src/day04/main.rs:189:6
[INFO] [stdout]     |
[INFO] [stdout] 189 | enum CheckDirection {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `values` is never used
[INFO] [stdout]    --> src/day04/main.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl CheckDirection {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 201 |     pub fn values() -> Vec<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day05/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day06/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day06/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_path` is never used
[INFO] [stdout]    --> src/day06/main.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn compute_path(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]    --> src/day06/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn step(
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `turn_right` is never used
[INFO] [stdout]    --> src/day06/main.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn turn_right(direction: Direction) -> Direction {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_forward` is never used
[INFO] [stdout]    --> src/day06/main.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn move_forward(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/day06/main.rs:241:6
[INFO] [stdout]     |
[INFO] [stdout] 241 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/day06/main.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 249 | enum Action {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MoveError` is never used
[INFO] [stdout]    --> src/day06/main.rs:254:6
[INFO] [stdout]     |
[INFO] [stdout] 254 | enum MoveError {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `numbers1`
[INFO] [stdout]   --> src/day01/main.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for i in 0..numbers1.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 57 -     for i in 0..numbers1.len() {
[INFO] [stdout] 57 +     for <item> in &numbers1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/day02/main.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                         match check_line(&corrected_numbers) {
[INFO] [stdout] 47 | |                             Ok(()) => {
[INFO] [stdout] 48 | |                                 sum += 1;
[INFO] [stdout] 49 | |                                 break;
[INFO] [stdout] 50 | |                             },
[INFO] [stdout] 51 | |                             Err(_) => {}
[INFO] [stdout] 52 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 46 ~                         if let Ok(()) = check_line(&corrected_numbers) {
[INFO] [stdout] 47 +                             sum += 1;
[INFO] [stdout] 48 +                             break;
[INFO] [stdout] 49 +                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day02/main.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 62 - fn check_line(numbers: &Vec<i32>) -> Result<(), (usize)>  {
[INFO] [stdout] 62 + fn check_line(numbers: &[i32]) -> Result<(), (usize)>  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/day03/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 | /                         if try_consume_str(&input, &mut curr_index, ")") {
[INFO] [stdout] 75 | |                             if enabled {
[INFO] [stdout] 76 | |                                 count += a*b;
[INFO] [stdout] 77 | |                             }
[INFO] [stdout] 78 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 74 ~                         if try_consume_str(&input, &mut curr_index, ")")
[INFO] [stdout] 75 ~                             && enabled {
[INFO] [stdout] 76 |                                 count += a*b;
[INFO] [stdout] 77 ~                             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/day03/main.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     while peek(input, *curr_index).is_digit(10) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `peek(input, *curr_index).is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice`
[INFO] [stdout]    --> src/day03/main.rs:112:50
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let parse = &input[start_index..*curr_index].into_iter().map(|c| c.to_digit(10)).try_fold(0, |ans, i| i.map(|i| ans * 10 + i));
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day03/main.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 121 - fn advance(input: &Vec<char>, curr_index: &mut usize) -> char {
[INFO] [stdout] 121 + fn advance(input: &[char], curr_index: &mut usize) -> char {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day03/main.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 127 - fn peek(input: &Vec<char>, curr_index: usize) -> char {
[INFO] [stdout] 127 + fn peek(input: &[char], curr_index: usize) -> char {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day04/main.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 91 - fn check_word(word_list: &Vec<char>, word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout] 91 + fn check_word(word_list: &[char], word: &str, line_width: usize, index: usize, direction: CheckDirection) -> Result<(), ()> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/day05/main.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let split_index = lines.iter().position(|el| el == "").unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^ help: using `is_empty` is clearer and more explicit: `el.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/day05/main.rs:72:50
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let split_index = lines.iter().position(|el| el == "").unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^ help: using `is_empty` is clearer and more explicit: `el.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `bad_updates`
[INFO] [stdout]    --> src/day05/main.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for i in 0..bad_updates.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 102 -     for i in 0..bad_updates.len() {
[INFO] [stdout] 102 +     for <item> in &mut bad_updates {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this looks like you are swapping elements of `update` manually
[INFO] [stdout]    --> src/day05/main.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                     let tmp = update[i];
[INFO] [stdout] 120 | |                     update[i] = update[j];
[INFO] [stdout] 121 | |                     update[j] = tmp;
[INFO] [stdout]     | |____________________________________^ help: try: `update.swap(i, j);`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stdout]     = note: `#[warn(clippy::manual_swap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day05/main.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn is_update_good(update: &Vec<u32>, rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 128 - fn is_update_good(update: &Vec<u32>, rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout] 128 + fn is_update_good(update: &[u32], rules: &HashMap<u32, Vec<u32>>) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `chars`
[INFO] [stdout]   --> src/day06/main.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for i in 0..chars.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 29 -     for i in 0..chars.len() {
[INFO] [stdout] 29 +     for (i, <item>) in chars.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/day06/main.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if !compute_path(&new_chars, line_width, start_index, start_direction).is_ok() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `compute_path(&new_chars, line_width, start_index, start_direction).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `chars`
[INFO] [stdout]   --> src/day06/main.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for i in 0..chars.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 74 -     for i in 0..chars.len() {
[INFO] [stdout] 74 +     for (i, <item>) in chars.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/day06/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/day06/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | /     loop {
[INFO] [stdout] 124 | |         if let Ok(action) = step(chars, line_width, &mut curr_index, &mut curr_direction) {
[INFO] [stdout] 125 | |             match action {
[INFO] [stdout] 126 | |                 Action::MOVE => {
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout]     | |_____^ help: try: `while let Ok(action) = step(chars, line_width, &mut curr_index, &mut curr_direction) { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day06/main.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |     chars: &Vec<char>,
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 196 -     chars: &Vec<char>,
[INFO] [stdout] 196 +     chars: &[char],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `MOVE` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     MOVE,
[INFO] [stdout]     |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Move`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]     = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `TURN` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     TURN,
[INFO] [stdout]     |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Turn`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `OBSTACLE` contains a capitalized acronym
[INFO] [stdout]    --> src/day06/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     OBSTACLE,
[INFO] [stdout]     |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Obstacle`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/day06/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         std::io::stdout().flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = std::io::stdout().flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4c76a5575e5a9d96ff3f926e4c213fcec16644f17f9d1d186b7abdc9352be732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c76a5575e5a9d96ff3f926e4c213fcec16644f17f9d1d186b7abdc9352be732", kill_on_drop: false }`
[INFO] [stdout] 4c76a5575e5a9d96ff3f926e4c213fcec16644f17f9d1d186b7abdc9352be732