[INFO] cloning repository https://github.com/pauldambra/aoc-2023-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pauldambra/aoc-2023-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauldambra%2Faoc-2023-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauldambra%2Faoc-2023-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e9f3d441e292bc3a91ee6637e6ab4a8b1e3a41f
[INFO] checking pauldambra/aoc-2023-rust against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauldambra%2Faoc-2023-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pauldambra/aoc-2023-rust on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] finished tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] tweaked toml for git repo https://github.com/pauldambra/aoc-2023-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pauldambra/aoc-2023-rust 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking pauldambra/aoc-2023-rust against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauldambra%2Faoc-2023-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pauldambra/aoc-2023-rust on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] finished tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] tweaked toml for git repo https://github.com/pauldambra/aoc-2023-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pauldambra/aoc-2023-rust 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pauldambra/aoc-2023-rust against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauldambra%2Faoc-2023-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pauldambra/aoc-2023-rust on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] finished tweaking git repo https://github.com/pauldambra/aoc-2023-rust
[INFO] tweaked toml for git repo https://github.com/pauldambra/aoc-2023-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pauldambra/aoc-2023-rust 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75a12518be064dbf6195d39fd5338043f931bf950eb3bf5e50c9e10d69cfd7c9
[INFO] running `Command { std: "docker" "start" "-a" "75a12518be064dbf6195d39fd5338043f931bf950eb3bf5e50c9e10d69cfd7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a12518be064dbf6195d39fd5338043f931bf950eb3bf5e50c9e10d69cfd7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a12518be064dbf6195d39fd5338043f931bf950eb3bf5e50c9e10d69cfd7c9", kill_on_drop: false }`
[INFO] [stdout] 75a12518be064dbf6195d39fd5338043f931bf950eb3bf5e50c9e10d69cfd7c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25357745e8080b7ffde1943d927300132fb06f5acf58c4d555d2deb1a575e7f7
[INFO] running `Command { std: "docker" "start" "-a" "25357745e8080b7ffde1943d927300132fb06f5acf58c4d555d2deb1a575e7f7", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_two.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if (is_invalid) {
[INFO] [stdout]    |            ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         if (is_invalid) {
[INFO] [stdout] 35 +         if is_invalid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/day_three.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_three.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if (potential_gear == "*") {
[INFO] [stdout]    |                ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -             if (potential_gear == "*") {
[INFO] [stdout] 96 +             if potential_gear == "*" {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/day_three.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         if (reading_number) {
[INFO] [stdout]     |            ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -         if (reading_number) {
[INFO] [stdout] 198 +         if reading_number {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_four.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if (game_id >= *max_game_id + 1) { // wat why + 1
[INFO] [stdout]    |                ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -             if (game_id >= *max_game_id + 1) { // wat why + 1
[INFO] [stdout] 47 +             if game_id >= *max_game_id + 1 { // wat why + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_two.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if (is_invalid) {
[INFO] [stdout]    |            ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         if (is_invalid) {
[INFO] [stdout] 35 +         if is_invalid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/day_three.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_three.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if (potential_gear == "*") {
[INFO] [stdout]    |                ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -             if (potential_gear == "*") {
[INFO] [stdout] 96 +             if potential_gear == "*" {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/day_three.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         if (reading_number) {
[INFO] [stdout]     |            ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -         if (reading_number) {
[INFO] [stdout] 198 +         if reading_number {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day_four.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if (game_id >= *max_game_id + 1) { // wat why + 1
[INFO] [stdout]    |                ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -             if (game_id >= *max_game_id + 1) { // wat why + 1
[INFO] [stdout] 47 +             if game_id >= *max_game_id + 1 { // wat why + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/aoc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_numeric`
[INFO] [stdout]   --> src/day_one.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut first_numeric: Option<char> = None;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_numeric`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/aoc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_numeric`
[INFO] [stdout]   --> src/day_one.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut first_numeric: Option<char> = None;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_numeric`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_one.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut first_numeric: Option<char> = None;
[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/day_one.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut first_numeric: Option<char> = None;
[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/day_two.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut line = line_result?;
[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/day_two.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut first_parts: Vec<_> = line.split(':').collect();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/day_two.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let id = first_parts.first().unwrap().split(" ").nth(1).unwrap().parse::<i32>().unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_two.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut line = line_result?;
[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/day_two.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut first_parts: Vec<_> = line.split(':').collect();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/day_two.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let id = first_parts.first().unwrap().split(" ").nth(1).unwrap().parse::<i32>().unwrap();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_two.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut line = line_result?;
[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/day_two.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut first_parts: Vec<_> = line.split(':').collect();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `needle_x`
[INFO] [stdout]   --> src/day_three.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for (needle_x, needle) in xs.iter().sorted() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_needle_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/day_three.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_two.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut line = line_result?;
[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/day_two.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut first_parts: Vec<_> = line.split(':').collect();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `needle_x`
[INFO] [stdout]   --> src/day_three.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for (needle_x, needle) in xs.iter().sorted() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_needle_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/day_three.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part_numbers`
[INFO] [stdout]   --> src/day_three.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut part_numbers: Vec<i32> = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_part_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part_numbers`
[INFO] [stdout]   --> src/day_three.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut part_numbers: Vec<i32> = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_part_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_three.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut part_numbers: Vec<i32> = vec![];
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_x` is never read
[INFO] [stdout]    --> src/day_three.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut line_x: i32 = 0;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reading_number` is never read
[INFO] [stdout]    --> src/day_three.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             reading_number = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `number_being_read` is never read
[INFO] [stdout]    --> src/day_three.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             number_being_read = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_three.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut part_numbers: Vec<i32> = vec![];
[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/day_three.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut line = line_result?;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_x` is never read
[INFO] [stdout]    --> src/day_three.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut line_x: i32 = 0;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reading_number` is never read
[INFO] [stdout]    --> src/day_three.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             reading_number = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `number_being_read` is never read
[INFO] [stdout]    --> src/day_three.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             number_being_read = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_three.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut line = line_result?;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `match_count` is assigned to, but never used
[INFO] [stdout]   --> src/day_four.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut match_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_match_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/day_four.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut score = 0;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_four.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut score = 0;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WhatAmI` is never constructed
[INFO] [stdout]   --> src/aoc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum CoordinateError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 13 |     WhatAmI
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CoordinateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `match_count` is assigned to, but never used
[INFO] [stdout]   --> src/day_four.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut match_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_match_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/day_four.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut score = 0;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_four.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut score = 0;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WhatAmI` is never constructed
[INFO] [stdout]   --> src/aoc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum CoordinateError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 13 |     WhatAmI
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CoordinateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "25357745e8080b7ffde1943d927300132fb06f5acf58c4d555d2deb1a575e7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25357745e8080b7ffde1943d927300132fb06f5acf58c4d555d2deb1a575e7f7", kill_on_drop: false }`
[INFO] [stdout] 25357745e8080b7ffde1943d927300132fb06f5acf58c4d555d2deb1a575e7f7
