[INFO] cloning repository https://github.com/JonathanBrouwer/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanBrouwer/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanBrouwer%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanBrouwer%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 295913ddeb931150c6d832bcc5584a0fce2c2c3b
[INFO] checking JonathanBrouwer/aoc2021 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanBrouwer%2Faoc2021" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JonathanBrouwer/aoc2021
[INFO] finished tweaking git repo https://github.com/JonathanBrouwer/aoc2021
[INFO] tweaked toml for git repo https://github.com/JonathanBrouwer/aoc2021 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JonathanBrouwer/aoc2021 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JonathanBrouwer/aoc2021 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded louds-rs v0.4.0
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[INFO] [stderr]   Downloaded trie-rs v0.1.1
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab
[INFO] running `Command { std: "docker" "start" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab", 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" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking regex-automata v0.1.10
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[INFO] [stderr]     Checking clap v2.34.0
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
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[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking fid-rs v0.1.1
[INFO] [stderr]     Checking louds-rs v0.4.0
[INFO] [stderr]     Checking trie-rs v0.1.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.73
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day2/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1(inp: &str) -> usize {
[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 `part2` is never used
[INFO] [stdout]  --> src/day2/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day2/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn parse_input(inp: &str) -> Vec<(isize, isize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day3/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn part1(inp: &str, len: usize) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day3/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn part2(inp: &str, len: usize) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2_calc` is never used
[INFO] [stdout]   --> src/day3/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn part2_calc(left: Vec<usize>, take_most_common: bool, mut bit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day3/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_input(inp: &str) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day4/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day4/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part` is never used
[INFO] [stdout]   --> src/day4/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn solve_part(inp: &str, maximize: bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_bingo` is never used
[INFO] [stdout]   --> src/day4/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn is_bingo(state: &[[bool; 5]; 5]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day4/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse_input(inp: &str) -> (Vec<usize>, Vec<Board>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/day4/main.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day5/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day5/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day5/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn solve(input: Vec<((isize, isize), (isize, isize))>) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day5/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_input(inp: &str) -> Vec<((isize, isize), (isize, isize))> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day6/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day6/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sim` is never used
[INFO] [stdout]   --> src/day6/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sim(input: Vec<usize>, days: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day6/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_input(inp: &str) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day7/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day7/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day7/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_input(inp: &str) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day8/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day8/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day8/main.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn parse_input(inp: &str) -> Vec<(Vec<&str>, Vec<&str>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day9/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day9/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn part2(inp: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day9/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn parse_input(inp: &str) -> Vec<Vec<usize>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day10/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day10/main.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn part2(inp: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day10/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_input(inp: &str) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day11/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day11/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn part2(inp: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day11/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn parse_input(inp: &str) -> Vec<Vec<usize>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day12/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day12/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn part2(inp: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day12/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_input(inp: &str) -> GraphMap<&str, (), Undirected> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day13/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day13/main.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn part2(inp: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day13/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse_input(inp: &str) -> (Vec<(usize, usize)>, Vec<(bool, usize)>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day14/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day14/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn solve(inp: &str, iterations: usize) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day14/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_input(inp: &str) -> (&str, Vec<(&str, &str)>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day15/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day16/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1(input: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day16/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part2(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Packet` is never used
[INFO] [stdout]   --> src/day16/main.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Packet {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `version_sum` and `calculate` are never used
[INFO] [stdout]   --> src/day16/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Packet {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 21 |     pub fn version_sum(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn calculate(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_packet` is never used
[INFO] [stdout]   --> src/day16/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_packet(packet: &[bool]) -> (Packet, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day16/main.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn parse_input(inp: &str) -> Vec<bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bits_to_num` is never used
[INFO] [stdout]   --> src/day16/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn bits_to_num(inp: &[bool]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_hex` is never used
[INFO] [stdout]   --> src/day16/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn to_hex(s: &str) -> Vec<bool> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_hex_char` is never used
[INFO] [stdout]    --> src/day16/main.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn to_hex_char(c: char) -> [bool; 4] {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day17/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1(xrange: (isize, isize), yrange: (isize, isize)) -> isize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day17/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part2(xrange: (isize, isize), yrange: (isize, isize)) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/day17/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update` and `hits` are never used
[INFO] [stdout]   --> src/day17/main.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 32 |     pub fn update(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn hits(&mut self, xrange: (isize, isize), yrange: (isize, isize)) -> Option<isize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day18/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn part1(inp: &str) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day18/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn part2(inp: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fold_input` is never used
[INFO] [stdout]   --> src/day18/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn fold_input(input: Vec<SnailfishNumber>) -> SnailfishNumber {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day18/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_input(inp: &str) -> Vec<SnailfishNumber> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_part` is never used
[INFO] [stdout]   --> src/day18/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn parse_input_part(inp: &str) -> (SnailfishNumber, &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SnailfishNumber` is never used
[INFO] [stdout]   --> src/day18/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum SnailfishNumber {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExplodeResult` is never used
[INFO] [stdout]   --> src/day18/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum ExplodeResult {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/day18/main.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl SnailfishNumber {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  57 |     pub fn reduce(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn unwrap_normal(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn explode_first(&mut self, depth: usize) -> ExplodeResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn split_first(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn add_left(&mut self, val: usize) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn add_right(&mut self, val: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn magnitude(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_advance_by` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_advance_by` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab", kill_on_drop: false }`
[INFO] [stdout] d2b3ac361eaef273bb4d3beee86b6505942230b5b17bd01b39d02fb3c102ecab
