[INFO] cloning repository https://github.com/nfagerlund/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nfagerlund/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfagerlund%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfagerlund%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de2874fc7314e1797a8f627cbb3272d759098ce9
[INFO] testing nfagerlund/advent-of-code-2021 against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfagerlund%2Fadvent-of-code-2021" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nfagerlund/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/nfagerlund/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/nfagerlund/advent-of-code-2021 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nfagerlund/advent-of-code-2021 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nfagerlund/advent-of-code-2021 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1942386e20032f081c49f05c4946d97b790b69bf1e04af14fa3601c8f4353579
[INFO] running `Command { std: "docker" "start" "-a" "1942386e20032f081c49f05c4946d97b790b69bf1e04af14fa3601c8f4353579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1942386e20032f081c49f05c4946d97b790b69bf1e04af14fa3601c8f4353579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1942386e20032f081c49f05c4946d97b790b69bf1e04af14fa3601c8f4353579", kill_on_drop: false }`
[INFO] [stdout] 1942386e20032f081c49f05c4946d97b790b69bf1e04af14fa3601c8f4353579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cd168d3e90a47ddfd300f9374c98b11bf37f07287b1e60dcfbb1bc830b23fc3
[INFO] running `Command { std: "docker" "start" "-a" "7cd168d3e90a47ddfd300f9374c98b11bf37f07287b1e60dcfbb1bc830b23fc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling easycurses v0.13.0
[INFO] [stderr]    Compiling advent21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `has_duplicate_small_cave` is never used
[INFO] [stdout]   --> src/bin/day12.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn has_duplicate_small_cave(path: &Vec<&str>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]   --> src/bin/day19.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part_two(inputs: &str) {}
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]   --> src/bin/day19.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn part_one(inputs: &str) -> u32 {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_comparison` is never used
[INFO] [stdout]  --> src/bin/day1.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn single_comparison() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/bin/day15.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BinaryHeap, HashSet, HashMap};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/bin/day15.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct PathFinder {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     start: Tile,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reconstruct_path` is never used
[INFO] [stdout]    --> src/bin/day15.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl PathFinder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn reconstruct_path(&self) -> (Vec<Tile>, usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_unreduced` is never used
[INFO] [stdout]    --> src/bin/day18.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl Sn {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn add_unreduced(self, other: Sn) -> Sn {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplied` is never read
[INFO] [stdout]   --> src/bin/day3.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut multiplied = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]   --> src/bin/day3.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn part_one(inputs: String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_frequencies` is never used
[INFO] [stdout]    --> src/bin/day3.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn digit_frequencies(inputs: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]   --> src/bin/day2.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part_one(inputs: String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/bin/day4.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 96 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_r`
[INFO] [stdout]   --> src/bin/dumb_the_sequel.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |             if let Snails::Pair(ref second_l, ref second_r) = **r {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AltSnail` is never used
[INFO] [stdout]   --> src/bin/dumb_the_sequel.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum AltSnail {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Yo` is never constructed
[INFO] [stdout]    --> src/bin/dumb_the_sequel.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Yo {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "7cd168d3e90a47ddfd300f9374c98b11bf37f07287b1e60dcfbb1bc830b23fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd168d3e90a47ddfd300f9374c98b11bf37f07287b1e60dcfbb1bc830b23fc3", kill_on_drop: false }`
[INFO] [stdout] 7cd168d3e90a47ddfd300f9374c98b11bf37f07287b1e60dcfbb1bc830b23fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f30fd15b981625ce70db31cf956e47c26d4f45cde8c05ef98403d4745f1f13
[INFO] running `Command { std: "docker" "start" "-a" "f5f30fd15b981625ce70db31cf956e47c26d4f45cde8c05ef98403d4745f1f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/bin/day15.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BinaryHeap, HashSet, HashMap};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_duplicate_small_cave` is never used
[INFO] [stdout]   --> src/bin/day12.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn has_duplicate_small_cave(path: &Vec<&str>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/bin/day15.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct PathFinder {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     start: Tile,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PathFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reconstruct_path` is never used
[INFO] [stdout]    --> src/bin/day15.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl PathFinder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn reconstruct_path(&self) -> (Vec<Tile>, usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]   --> src/bin/day19.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn part_two(inputs: &str) {}
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]   --> src/bin/day19.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn part_one(inputs: &str) -> u32 {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_r`
[INFO] [stdout]   --> src/bin/dumb_the_sequel.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |             if let Snails::Pair(ref second_l, ref second_r) = **r {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/dumb_the_sequel.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Regular(u32),
[INFO] [stdout]    |     ------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AltSnail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 95 -     Regular(u32),
[INFO] [stdout] 95 +     Regular(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/dumb_the_sequel.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Pair(Vec<AltSnail>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AltSnail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -     Pair(Vec<AltSnail>),
[INFO] [stdout] 96 +     Pair(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Yo` is never constructed
[INFO] [stdout]    --> src/bin/dumb_the_sequel.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Yo {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_comparison` is never used
[INFO] [stdout]  --> src/bin/day1.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn single_comparison() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]   --> src/bin/day2.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part_one(inputs: String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/bin/day4.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 96 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplied` is never read
[INFO] [stdout]   --> src/bin/day3.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut multiplied = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_unreduced` is never used
[INFO] [stdout]    --> src/bin/day18.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl Sn {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn add_unreduced(self, other: Sn) -> Sn {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "f5f30fd15b981625ce70db31cf956e47c26d4f45cde8c05ef98403d4745f1f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f30fd15b981625ce70db31cf956e47c26d4f45cde8c05ef98403d4745f1f13", kill_on_drop: false }`
[INFO] [stdout] f5f30fd15b981625ce70db31cf956e47c26d4f45cde8c05ef98403d4745f1f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b28fb954348a893670e41d513dd63d7f0a05f5daeb98a2300ffa329c7611e2d7
[INFO] running `Command { std: "docker" "start" "-a" "b28fb954348a893670e41d513dd63d7f0a05f5daeb98a2300ffa329c7611e2d7", kill_on_drop: false }`
[INFO] [stderr] warning: function `single_comparison` is never used
[INFO] [stderr]  --> src/bin/day1.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn single_comparison() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent21` (bin "day1" test) generated 1 warning
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/bin/day15.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{BinaryHeap, HashSet, HashMap};
[INFO] [stderr]   |                                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `start` is never read
[INFO] [stderr]   --> src/bin/day15.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | struct PathFinder {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 96 |     start: Tile,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PathFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `reconstruct_path` is never used
[INFO] [stderr]    --> src/bin/day15.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl PathFinder {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 188 |     fn reconstruct_path(&self) -> (Vec<Tile>, usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `has_duplicate_small_cave` is never used
[INFO] [stderr]   --> src/bin/day12.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn has_duplicate_small_cave(path: &Vec<&str>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `multiplied` is never read
[INFO] [stderr]   --> src/bin/day3.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut multiplied = 0;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second_r`
[INFO] [stderr]   --> src/bin/dumb_the_sequel.rs:77:51
[INFO] [stderr]    |
[INFO] [stderr] 77 |             if let Snails::Pair(ref second_l, ref second_r) = **r {
[INFO] [stderr]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/bin/dumb_the_sequel.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Regular(u32),
[INFO] [stderr]    |     ------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AltSnail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 95 -     Regular(u32),
[INFO] [stderr] 95 +     Regular(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/bin/dumb_the_sequel.rs:96:10
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Pair(Vec<AltSnail>),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AltSnail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 96 -     Pair(Vec<AltSnail>),
[INFO] [stderr] 96 +     Pair(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Yo` is never constructed
[INFO] [stderr]    --> src/bin/dumb_the_sequel.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | struct Yo {
[INFO] [stderr]     |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part_one` is never used
[INFO] [stderr]   --> src/bin/day2.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn part_one(inputs: String) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent21` (bin "day15" test) generated 3 warnings (run `cargo fix --bin "day15" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `advent21` (bin "day12" test) generated 1 warning
[INFO] [stderr] warning: `advent21` (bin "day3" test) generated 1 warning
[INFO] [stderr] warning: `advent21` (bin "dumb_the_sequel" test) generated 4 warnings
[INFO] [stderr] warning: `advent21` (bin "day2" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `inputs`
[INFO] [stderr]   --> src/bin/day19.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn part_two(inputs: &str) {}
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inputs`
[INFO] [stderr]   --> src/bin/day19.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn part_one(inputs: &str) -> u32 {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent21` (bin "day19" test) generated 2 warnings
[INFO] [stderr] warning: field `height` is never read
[INFO] [stderr]   --> src/bin/day4.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct Board {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 96 |     height: usize,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_unreduced` is never used
[INFO] [stderr]    --> src/bin/day18.rs:216:8
[INFO] [stderr]     |
[INFO] [stderr]  64 | impl Sn {
[INFO] [stderr]     | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 216 |     fn add_unreduced(self, other: Sn) -> Sn {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent21` (bin "day4" test) generated 1 warning
[INFO] [stderr] warning: `advent21` (bin "day18" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent21-a5e1c80989dfef33)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent21-f3b1b040cf897a23)
[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] [stderr]      Running unittests src/bin/day1.rs (/opt/rustwide/target/debug/deps/day1-171cc02bd4f78a0d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::addition_and_completion ... ok
[INFO] [stdout] test tests::window_mgr_basics ... ok
[INFO] [stdout] test tests::summation ... ok
[INFO] [stdout] test tests::no_incomplete_sums ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day10.rs (/opt/rustwide/target/debug/deps/day10-f86c18f9dd5ba6e1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests src/bin/day11.rs (/opt/rustwide/target/debug/deps/day11-90e1bf27ee3d1011)
[INFO] [stdout] test tests::example_part_two ... ok
[INFO] [stdout] test tests::score_some_completion_strings ... ok
[INFO] [stdout] test tests::example_part_one ... 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] Error opening terminal: unknown.
[INFO] [stdout] test tests::that_iterator_thing ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin day11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/day11-90e1bf27ee3d1011` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "b28fb954348a893670e41d513dd63d7f0a05f5daeb98a2300ffa329c7611e2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28fb954348a893670e41d513dd63d7f0a05f5daeb98a2300ffa329c7611e2d7", kill_on_drop: false }`
[INFO] [stdout] b28fb954348a893670e41d513dd63d7f0a05f5daeb98a2300ffa329c7611e2d7
