[INFO] cloning repository https://github.com/halninethousand/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/halninethousand/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalninethousand%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalninethousand%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec9b96e0d958aa3a45435e24dc540d7e1a6114bc
[INFO] testing halninethousand/aoc2023 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalninethousand%2Faoc2023" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/halninethousand/aoc2023
[INFO] finished tweaking git repo https://github.com/halninethousand/aoc2023
[INFO] tweaked toml for git repo https://github.com/halninethousand/aoc2023 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/halninethousand/aoc2023 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/halninethousand/aoc2023 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf
[INFO] running `Command { std: "docker" "start" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day1.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let mut what = item.1.clone();
[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: trait `IsEmpty` is never used
[INFO] [stdout]   --> src/bin/day1.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait IsEmpty {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/day2.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day2.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut ID: u32;
[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/bin/day2.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut colors: Vec<&str> = item.split(",").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/bin/day2.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").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/bin/day2.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut colors: Vec<&str> = item.split(",").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/bin/day4.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut num: Vec<&str> = card[1]
[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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]  --> src/bin/day2.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stdout]   |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]   |
[INFO] [stdout]   = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]   = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ID` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut ID: u32;
[INFO] [stdout]    |                 ^^ help: convert the identifier to snake case: `id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:17:62
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stdout]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/day2.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:73:62
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stdout]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day4.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut num: Vec<&str> = card[1]
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/day2.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day2.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut ID: u32;
[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/bin/day2.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut colors: Vec<&str> = item.split(",").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/bin/day2.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").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/bin/day2.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut colors: Vec<&str> = item.split(",").collect();
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]  --> src/bin/day2.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stdout]   |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]   |
[INFO] [stdout]   = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]   = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ID` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut ID: u32;
[INFO] [stdout]    |                 ^^ help: convert the identifier to snake case: `id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:17:62
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stdout]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/day2.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/bin/day2.rs:73:62
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stdout]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day1.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let mut what = item.1.clone();
[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: trait `IsEmpty` is never used
[INFO] [stdout]   --> src/bin/day1.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait IsEmpty {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day1.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut what = item.1.clone();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IsEmpty` is never used
[INFO] [stderr]   --> src/bin/day1.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 | trait IsEmpty {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2023` (bin "day1" test) generated 2 warnings (run `cargo fix --bin "day1" -p aoc2023 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day4.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut num: Vec<&str> = card[1]
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2023` (bin "day4" test) generated 1 warning (run `cargo fix --bin "day4" -p aoc2023 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/day2.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stderr]   |             ----^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day2.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut ID: u32;
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day2.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let mut colors: Vec<&str> = item.split(",").collect();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day2.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day2.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let mut colors: Vec<&str> = item.split(",").collect();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]  --> src/bin/day2.rs:8:43
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stderr]   |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]   |
[INFO] [stderr]   = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]   = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/bin/day2.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut ID: u32;
[INFO] [stderr]    |                 ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/bin/day2.rs:17:62
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stderr]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/bin/day2.rs:70:43
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut attrs: Vec<&str> = game[1].clone().split(";").collect();
[INFO] [stderr]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/bin/day2.rs:73:62
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let mut colors: Vec<String> = colors.iter().map(|X| X.to_string()).collect();
[INFO] [stderr]    |                                                              ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2023` (bin "day2" test) generated 10 warnings (run `cargo fix --bin "day2" -p aoc2023 --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/bin/day1.rs (/opt/rustwide/target/release/build/aoc2023/62a1a4735dcc2c86/out/day1-62a1a4735dcc2c86)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day2.rs (/opt/rustwide/target/release/build/aoc2023/0ccc03420784ea18/out/day2-0ccc03420784ea18)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day3.rs (/opt/rustwide/target/release/build/aoc2023/19d97acaf58e60a2/out/day3-19d97acaf58e60a2)
[INFO] [stderr]      Running unittests src/bin/day4.rs (/opt/rustwide/target/release/build/aoc2023/d0c940806a06f464/out/day4-d0c940806a06f464)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day5.rs (/opt/rustwide/target/release/build/aoc2023/6f749725559f9829/out/day5-6f749725559f9829)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/day6.rs (/opt/rustwide/target/release/build/aoc2023/1f16ec4090256d07/out/day6-1f16ec4090256d07)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf", kill_on_drop: false }`
[INFO] [stdout] d50ba40a171d6690d12d117a44a38b9009654abd6651eaf8f889b8efa0a5cecf
