[INFO] cloning repository https://github.com/thuchede/advent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thuchede/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Fadvent-of-code-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Fadvent-of-code-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76d3342b9c2d63e11bdae631444ebc346e277778
[INFO] checking thuchede/advent-of-code-2023 against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Fadvent-of-code-2023" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thuchede/advent-of-code-2023 on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thuchede/advent-of-code-2023
[INFO] finished tweaking git repo https://github.com/thuchede/advent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/thuchede/advent-of-code-2023 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thuchede/advent-of-code-2023 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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded find_all v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43fcd326ad8cbaa58c3bb3fca7cbab755aa47677a9093ddba3222dcf884446e2
[INFO] running `Command { std: "docker" "start" "-a" "43fcd326ad8cbaa58c3bb3fca7cbab755aa47677a9093ddba3222dcf884446e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fcd326ad8cbaa58c3bb3fca7cbab755aa47677a9093ddba3222dcf884446e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fcd326ad8cbaa58c3bb3fca7cbab755aa47677a9093ddba3222dcf884446e2", kill_on_drop: false }`
[INFO] [stdout] 43fcd326ad8cbaa58c3bb3fca7cbab755aa47677a9093ddba3222dcf884446e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b15a27345f434f2c46fe68e24b9d67e582cc9148268f343544dee50814b85e
[INFO] running `Command { std: "docker" "start" "-a" "65b15a27345f434f2c46fe68e24b9d67e582cc9148268f343544dee50814b85e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking find_all v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ignore v0.4.21
[INFO] [stderr]     Checking aoc-2023-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day12.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for x in (0..(record.len())) {
[INFO] [stdout]    |              ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     for x in (0..(record.len())) {
[INFO] [stdout] 31 +     for x in 0..(record.len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day12.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for x in (0..(record.len())) {
[INFO] [stdout]    |              ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -     for x in (0..(record.len())) {
[INFO] [stdout] 54 +     for x in 0..(record.len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/day12.rs:193:18
[INFO] [stdout]     |
[INFO] [stdout] 193 |         for x in (0..(sample.len())) {
[INFO] [stdout]     |                  ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -         for x in (0..(sample.len())) {
[INFO] [stdout] 193 +         for x in 0..(sample.len()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day12.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for x in (0..(record.len())) {
[INFO] [stdout]    |              ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     for x in (0..(record.len())) {
[INFO] [stdout] 31 +     for x in 0..(record.len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/day12.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for x in (0..(record.len())) {
[INFO] [stdout]    |              ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -     for x in (0..(record.len())) {
[INFO] [stdout] 54 +     for x in 0..(record.len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/day12.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `records`
[INFO] [stdout]    --> src/day12.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_records`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]   --> src/day13.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .filter(|(key, group)| *key)
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/day13.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |         .filter(|(key, group)| *key)
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `previous_layouts`
[INFO] [stdout]   --> src/day14.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut previous_layouts: Vec<Vec<String>> = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_layouts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]   --> src/day14.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut iterations =  0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_layout`
[INFO] [stdout]   --> src/day14.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day14.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut previous_layouts: Vec<Vec<String>> = vec![];
[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/day14.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut iterations =  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/day14.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut flipped: Vec<String> = flip(&sample);
[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/day14.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[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/day14.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut flipped: Vec<String> = flip(&sample);
[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/day14.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part2`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let part2 = day14::part_2();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_part2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Hand` is never used
[INFO] [stdout]    --> src/day07.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | type Hand<'a> = (&'a str, i64, Strength);
[INFO] [stdout]     |      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ByStrength` is never used
[INFO] [stdout]    --> src/day07.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | trait ByStrength {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DesertMap` is never constructed
[INFO] [stdout]   --> src/day08.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DesertMap {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_not_valid` is never used
[INFO] [stdout]    --> src/day12.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn is_not_valid(line: &str, groups: Vec<i64>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_large_solution` is never used
[INFO] [stdout]    --> src/day12.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/day12.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `records`
[INFO] [stdout]    --> src/day12.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_records`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]   --> src/day13.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .filter(|(key, group)| *key)
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/day13.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |         .filter(|(key, group)| *key)
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `previous_layouts`
[INFO] [stdout]   --> src/day14.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut previous_layouts: Vec<Vec<String>> = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_layouts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]   --> src/day14.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut iterations =  0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_layout`
[INFO] [stdout]   --> src/day14.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day14.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut previous_layouts: Vec<Vec<String>> = vec![];
[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/day14.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut iterations =  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/day14.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut flipped: Vec<String> = flip(&sample);
[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/day14.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[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/day14.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut flipped: Vec<String> = flip(&sample);
[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/day14.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut new_layout: Vec<String> = flipped.iter().map(|line| slide_rock(line)).collect();
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/day14.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let res = read_from("src/input/sample14.txt");
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part2`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let part2 = day14::part_2();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_part2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DesertMap` is never constructed
[INFO] [stdout]   --> src/day08.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DesertMap {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_large_solution` is never used
[INFO] [stdout]    --> src/day12.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn find_large_solution(line: String, records: Vec<i64>) -> (String, Vec<i64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.74s
[INFO] running `Command { std: "docker" "inspect" "65b15a27345f434f2c46fe68e24b9d67e582cc9148268f343544dee50814b85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b15a27345f434f2c46fe68e24b9d67e582cc9148268f343544dee50814b85e", kill_on_drop: false }`
[INFO] [stdout] 65b15a27345f434f2c46fe68e24b9d67e582cc9148268f343544dee50814b85e
