[INFO] cloning repository https://github.com/brettjnorris/adventofcode2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brettjnorris/adventofcode2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrettjnorris%2Fadventofcode2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrettjnorris%2Fadventofcode2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fc5fcfdfaa2ffbb5aa05872352e2e9ac406f77e
[INFO] testing brettjnorris/adventofcode2024 against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrettjnorris%2Fadventofcode2024" "/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/brettjnorris/adventofcode2024 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/brettjnorris/adventofcode2024
[INFO] finished tweaking git repo https://github.com/brettjnorris/adventofcode2024
[INFO] tweaked toml for git repo https://github.com/brettjnorris/adventofcode2024 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brettjnorris/adventofcode2024 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b8e466c611f2c92377a8ed552f67f6b46be3591119fa9ec6d9a7cfb565d7a0d
[INFO] running `Command { std: "docker" "start" "-a" "5b8e466c611f2c92377a8ed552f67f6b46be3591119fa9ec6d9a7cfb565d7a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8e466c611f2c92377a8ed552f67f6b46be3591119fa9ec6d9a7cfb565d7a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8e466c611f2c92377a8ed552f67f6b46be3591119fa9ec6d9a7cfb565d7a0d", kill_on_drop: false }`
[INFO] [stdout] 5b8e466c611f2c92377a8ed552f67f6b46be3591119fa9ec6d9a7cfb565d7a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50f6f846d42ed5ad1f00e40f61bc4eba41e6bbd7c73751428768ff5e7caeef3
[INFO] running `Command { std: "docker" "start" "-a" "e50f6f846d42ed5ad1f00e40f61bc4eba41e6bbd7c73751428768ff5e7caeef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tinyjson v2.5.1
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling advent_of_code v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/07.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if (parts.len() == 2) {
[INFO] [stdout]    |            ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         if (parts.len() == 2) {
[INFO] [stdout] 18 +         if parts.len() == 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/05.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |         if (valid) {
[INFO] [stdout]    |            ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -         if (valid) {
[INFO] [stdout] 10 +         if valid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/05.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |         if (valid == expect_valid) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (valid == expect_valid) {
[INFO] [stdout] 56 +         if valid == expect_valid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operators`
[INFO] [stdout]   --> src/bin/07.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut operators: Vec<usize> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operators`
[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/bin/07.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut operators: Vec<usize> = 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: unused variable: `input`
[INFO] [stdout]    --> src/bin/07.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Calculation` is never used
[INFO] [stdout]  --> src/bin/07.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Calculation { None, Add, Multiply }
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Item` is never used
[INFO] [stdout]  --> src/bin/07.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Item { Number(usize), Calculation(Calculation) }
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/09.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `invalid_pages`
[INFO] [stdout]   --> src/bin/05.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let invalid_pages = get_pages(pages, rules, false);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_invalid_pages`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/04.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/bin/09.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_input(input: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/06.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/bin/06.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 16 |     index: isize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "e50f6f846d42ed5ad1f00e40f61bc4eba41e6bbd7c73751428768ff5e7caeef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50f6f846d42ed5ad1f00e40f61bc4eba41e6bbd7c73751428768ff5e7caeef3", kill_on_drop: false }`
[INFO] [stdout] e50f6f846d42ed5ad1f00e40f61bc4eba41e6bbd7c73751428768ff5e7caeef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de8723a499c4ac1b1140c6d9b3a5ea59042378992561ecf12fe2aac86743959
[INFO] running `Command { std: "docker" "start" "-a" "7de8723a499c4ac1b1140c6d9b3a5ea59042378992561ecf12fe2aac86743959", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/07.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if (parts.len() == 2) {
[INFO] [stdout]    |            ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         if (parts.len() == 2) {
[INFO] [stdout] 18 +         if parts.len() == 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/04.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/05.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |         if (valid) {
[INFO] [stdout]    |            ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -         if (valid) {
[INFO] [stdout] 10 +         if valid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/05.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |         if (valid == expect_valid) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (valid == expect_valid) {
[INFO] [stdout] 56 +         if valid == expect_valid {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operators`
[INFO] [stdout]   --> src/bin/07.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut operators: Vec<usize> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operators`
[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/bin/07.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut operators: Vec<usize> = 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: unused variable: `input`
[INFO] [stdout]    --> src/bin/07.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `invalid_pages`
[INFO] [stdout]   --> src/bin/05.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let invalid_pages = get_pages(pages, rules, false);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_invalid_pages`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Calculation` is never used
[INFO] [stdout]  --> src/bin/07.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Calculation { None, Add, Multiply }
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Item` is never used
[INFO] [stdout]  --> src/bin/07.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Item { Number(usize), Calculation(Calculation) }
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/09.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[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/bin/09.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut chars = "2333133121414131402".chars().map(|c| c.to_string()).collect::<Vec<String>>();
[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: function `parse_input` is never used
[INFO] [stdout]   --> src/bin/09.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_input(input: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/06.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/bin/06.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let position = Position(1, 1);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/bin/06.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 16 |     index: isize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` 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: unused variable: `permutations`
[INFO] [stdout]    --> src/matrix.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let permutations: Vec<Vec<(usize, usize)>> = Matrix::generate_row_permutations(3, 3);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutations`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/matrix.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let matrix: Matrix = Matrix::from_string("0123\n4567\n8900");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "7de8723a499c4ac1b1140c6d9b3a5ea59042378992561ecf12fe2aac86743959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de8723a499c4ac1b1140c6d9b3a5ea59042378992561ecf12fe2aac86743959", kill_on_drop: false }`
[INFO] [stdout] 7de8723a499c4ac1b1140c6d9b3a5ea59042378992561ecf12fe2aac86743959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57fb5f3a3ee2a0d1a126edcb848235d520d74c88836560a5751845316d32cd1d
[INFO] running `Command { std: "docker" "start" "-a" "57fb5f3a3ee2a0d1a126edcb848235d520d74c88836560a5751845316d32cd1d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/07.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |         if (parts.len() == 2) {
[INFO] [stderr]    |            ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -         if (parts.len() == 2) {
[INFO] [stderr] 18 +         if parts.len() == 2 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operators`
[INFO] [stderr]   --> src/bin/07.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut operators: Vec<usize> = vec![];
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operators`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/07.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut operators: Vec<usize> = vec![];
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/bin/07.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Calculation` is never used
[INFO] [stderr]  --> src/bin/07.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Calculation { None, Add, Multiply }
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Item` is never used
[INFO] [stderr]  --> src/bin/07.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Item { Number(usize), Calculation(Calculation) }
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (bin "07" test) generated 6 warnings (run `cargo fix --bin "07" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/05.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |         if (valid) {
[INFO] [stderr]    |            ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 10 -         if (valid) {
[INFO] [stderr] 10 +         if valid {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/05.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |         if (valid == expect_valid) {
[INFO] [stderr]    |            ^                     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -         if (valid == expect_valid) {
[INFO] [stderr] 56 +         if valid == expect_valid {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `invalid_pages`
[INFO] [stderr]   --> src/bin/05.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let invalid_pages = get_pages(pages, rules, false);
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_invalid_pages`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (bin "05" test) generated 3 warnings (run `cargo fix --bin "05" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/bin/06.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `position`
[INFO] [stderr]    --> src/bin/06.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let position = Position(1, 1);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stderr] 
[INFO] [stderr] warning: field `index` is never read
[INFO] [stderr]   --> src/bin/06.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Cell {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 16 |     index: isize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Cell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (bin "06" test) generated 3 warnings
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/09.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/09.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut chars = "2333133121414131402".chars().map(|c| c.to_string()).collect::<Vec<String>>();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_input` is never used
[INFO] [stderr]   --> src/bin/09.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn parse_input(input: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/04.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `permutations`
[INFO] [stderr]    --> src/matrix.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let permutations: Vec<Vec<(usize, usize)>> = Matrix::generate_row_permutations(3, 3);
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutations`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matrix`
[INFO] [stderr]    --> src/matrix.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let matrix: Matrix = Matrix::from_string("0123\n4567\n8900");
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (bin "09" test) generated 3 warnings (run `cargo fix --bin "09" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `advent_of_code` (bin "04" test) generated 1 warning
[INFO] [stderr] warning: `advent_of_code` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-fec8327debc3324a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test matrix::tests::test_generate_row_permutations ... ok
[INFO] [stdout] test matrix::tests::test_from_string ... ok
[INFO] [stdout] test matrix::tests::test_get_row_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/01.rs (/opt/rustwide/target/debug/deps/01-95f5bb01d4b1229b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/02.rs (/opt/rustwide/target/debug/deps/02-6044924137aad738)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/03.rs (/opt/rustwide/target/debug/deps/03-57f62220fa5a52be)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/04.rs (/opt/rustwide/target/debug/deps/04-8d51607a87d21ec6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/05.rs (/opt/rustwide/target/debug/deps/05-94c87fc9f75ee7af)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/06.rs (/opt/rustwide/target/debug/deps/06-5aa4ac405b13b47c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] test tests::test_determine_next_position ... ok
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/07.rs (/opt/rustwide/target/debug/deps/07-b2106f7149428b4b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/09.rs (/opt/rustwide/target/debug/deps/09-c3eb8aceb6f1130b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_compact_fs ... ok
[INFO] [stdout] test tests::test_expand_input ... ok
[INFO] [stdout] test tests::test_part_one ... ok
[INFO] [stdout] test tests::test_part_two ... ok
[INFO] [stdout] test tests::test_checksum ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code-86e7b784fdaecb22)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "57fb5f3a3ee2a0d1a126edcb848235d520d74c88836560a5751845316d32cd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fb5f3a3ee2a0d1a126edcb848235d520d74c88836560a5751845316d32cd1d", kill_on_drop: false }`
[INFO] [stdout] 57fb5f3a3ee2a0d1a126edcb848235d520d74c88836560a5751845316d32cd1d