[INFO] cloning repository https://github.com/hulsizer/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hulsizer/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulsizer%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulsizer%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e8d73e3a2065bd6e79aeae306fe9c207fbaedb3
[INFO] checking hulsizer/advent_of_code_2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulsizer%2Fadvent_of_code_2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hulsizer/advent_of_code_2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hulsizer/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/hulsizer/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/hulsizer/advent_of_code_2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hulsizer/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efea89040ab48b7d76822141ff08654252da310b2ab9610e99c0a9b906d30f43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efea89040ab48b7d76822141ff08654252da310b2ab9610e99c0a9b906d30f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efea89040ab48b7d76822141ff08654252da310b2ab9610e99c0a9b906d30f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efea89040ab48b7d76822141ff08654252da310b2ab9610e99c0a9b906d30f43", kill_on_drop: false }`
[INFO] [stdout] efea89040ab48b7d76822141ff08654252da310b2ab9610e99c0a9b906d30f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8d58cccc2b54f8019d7ec041c000bc3ce04e958239aa1a4b84c2f4b8e079db6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8d58cccc2b54f8019d7ec041c000bc3ce04e958239aa1a4b84c2f4b8e079db6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day6/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day6/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/day11/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/day11/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/day11/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/day11/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `accumulator` is assigned to, but never used
[INFO] [stdout]  --> src/day8/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut accumulator: usize = 0;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_accumulator` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_south`
[INFO] [stdout]    --> src/day12/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut north_south = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_south`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `east_west`
[INFO] [stdout]    --> src/day12/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut east_west = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_east_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]    --> src/day12/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut direction = 'E';
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day13/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day14/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day15/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day16/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day17/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day20/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day21/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day22/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day23/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day24/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day25/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `accumulator` is assigned to, but never used
[INFO] [stdout]  --> src/day8/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut accumulator: usize = 0;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_accumulator` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_south`
[INFO] [stdout]    --> src/day12/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut north_south = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_south`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `east_west`
[INFO] [stdout]    --> src/day12/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut east_west = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_east_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]    --> src/day12/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut direction = 'E';
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day13/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day14/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day15/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day16/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day17/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day20/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day21/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day22/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day23/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day24/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day25/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run(input: std::string::String) {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut north_south = 0;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut east_west = 0;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut direction = 'E';
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `f64`
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn f64(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `i64`
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn i64(&self) -> Option<i64> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_pt1`
[INFO] [stdout]   --> src/day7/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn traverse_pt1(lookup: &HashMap::<std::string::String, Vec<(usize, std::string::String)>>, used_bags: &mut HashSet::<std::string::St...
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day8/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn pt1(input: std::string::String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day9/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn pt1(input: std::string::String) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day10/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn pt1(input: std::string::String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_pt1`
[INFO] [stdout]   --> src/day10/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn traverse_pt1(lookup: &HashMap::<i64, Vec<i64>>, current: i64) -> Option<Vec::<i64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day12/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn pt1(input: String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `uSize` should have a snake case name
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn uSize(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to snake case: `u_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parseValues` should have a snake case name
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut parseValues: Vec<ParseValue> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `parse_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut north_south = 0;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut east_west = 0;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day12/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut direction = 'E';
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `f64`
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn f64(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `i64`
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn i64(&self) -> Option<i64> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_pt1`
[INFO] [stdout]   --> src/day7/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn traverse_pt1(lookup: &HashMap::<std::string::String, Vec<(usize, std::string::String)>>, used_bags: &mut HashSet::<std::string::St...
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day8/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn pt1(input: std::string::String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day9/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn pt1(input: std::string::String) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day10/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn pt1(input: std::string::String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_pt1`
[INFO] [stdout]   --> src/day10/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn traverse_pt1(lookup: &HashMap::<i64, Vec<i64>>, current: i64) -> Option<Vec::<i64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/day12/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn pt1(input: String) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `uSize` should have a snake case name
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn uSize(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to snake case: `u_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parseValues` should have a snake case name
[INFO] [stdout]   --> src/day2/../pattern_parse.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut parseValues: Vec<ParseValue> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `parse_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.61s
[INFO] running `Command { std: "docker" "inspect" "d8d58cccc2b54f8019d7ec041c000bc3ce04e958239aa1a4b84c2f4b8e079db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d58cccc2b54f8019d7ec041c000bc3ce04e958239aa1a4b84c2f4b8e079db6", kill_on_drop: false }`
[INFO] [stdout] d8d58cccc2b54f8019d7ec041c000bc3ce04e958239aa1a4b84c2f4b8e079db6