[INFO] cloning repository https://github.com/zandeck/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zandeck/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abaf1f09b92ce14906a267e89a2f41c264e1de2a
[INFO] checking zandeck/aoc-2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/aoc-2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zandeck/aoc-2020
[INFO] finished tweaking git repo https://github.com/zandeck/aoc-2020
[INFO] tweaked toml for git repo https://github.com/zandeck/aoc-2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zandeck/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a3f590c6634a9d2255e5df4be7f18f97be9614c61cd0c276ddc794c53c9f77e
[INFO] running `Command { std: "docker" "start" "-a" "6a3f590c6634a9d2255e5df4be7f18f97be9614c61cd0c276ddc794c53c9f77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3f590c6634a9d2255e5df4be7f18f97be9614c61cd0c276ddc794c53c9f77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3f590c6634a9d2255e5df4be7f18f97be9614c61cd0c276ddc794c53c9f77e", kill_on_drop: false }`
[INFO] [stdout] 6a3f590c6634a9d2255e5df4be7f18f97be9614c61cd0c276ddc794c53c9f77e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20064453fafe66ca7f064f51af49bb46fbd80651e8eae74330f55bf0171ce77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d20064453fafe66ca7f064f51af49bb46fbd80651e8eae74330f55bf0171ce77", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bitvec v0.20.0 (https://github.com/myrrlyn/bitvec.git#ee0be42a)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::challenges::utils`
[INFO] [stdout]  --> src/challenges/day1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::challenges::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> src/challenges/day1.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp`, `env`
[INFO] [stdout]    --> src/challenges/day1.rs:119:11
[INFO] [stdout]     |
[INFO] [stdout] 119 | use std::{cmp, env};
[INFO] [stdout]     |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/challenges/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/challenges/day4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]  --> src/challenges/day1.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn f(data: &[i32], combi: usize) -> i32 {
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `g`
[INFO] [stdout]   --> src/challenges/day1.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn g(data: &[i32]) -> i32 {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_1`
[INFO] [stdout]   --> src/challenges/day1.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn part1_1(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_2`
[INFO] [stdout]   --> src/challenges/day1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn part1_2(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_3`
[INFO] [stdout]   --> src/challenges/day1.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn part1_3(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4`
[INFO] [stdout]   --> src/challenges/day1.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn part1_4(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4smart`
[INFO] [stdout]   --> src/challenges/day1.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn part1_4smart(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4smartvec`
[INFO] [stdout]   --> src/challenges/day1.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn part1_4smartvec(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_5`
[INFO] [stdout]    --> src/challenges/day1.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn part1_5(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_5p`
[INFO] [stdout]    --> src/challenges/day1.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn part1_5p(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_2`
[INFO] [stdout]    --> src/challenges/day1.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn part2_2(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_1`
[INFO] [stdout]    --> src/challenges/day1.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn part2_1(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_3`
[INFO] [stdout]    --> src/challenges/day1.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn part2_3(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]    --> src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     end: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/challenges/day1.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/challenges/day1.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check1`
[INFO] [stdout]   --> src/challenges/day2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn check1(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check2`
[INFO] [stdout]   --> src/challenges/day2.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn check2(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/challenges/day2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/challenges/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Path`
[INFO] [stdout]  --> src/challenges/day3.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Path {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nb_trees_in`
[INFO] [stdout]  --> src/challenges/day3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn nb_trees_in(data: &[String], p: &Path) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/challenges/day3.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/challenges/day3.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Validator`
[INFO] [stdout]  --> src/challenges/day4.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Validator;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `byr`
[INFO] [stdout]   --> src/challenges/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iyr`
[INFO] [stdout]   --> src/challenges/day4.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/challenges/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_file<T>(p: &str) -> Result<Vec<T>, Box<dyn Error>>
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unused import: `crate::challenges::utils`
[INFO] [stdout]  --> src/challenges/day1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::challenges::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> src/challenges/day1.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp`, `env`
[INFO] [stdout]    --> src/challenges/day1.rs:119:11
[INFO] [stdout]     |
[INFO] [stdout] 119 | use std::{cmp, env};
[INFO] [stdout]     |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/challenges/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/challenges/day4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]  --> src/challenges/day1.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn f(data: &[i32], combi: usize) -> i32 {
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `g`
[INFO] [stdout]   --> src/challenges/day1.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn g(data: &[i32]) -> i32 {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_1`
[INFO] [stdout]   --> src/challenges/day1.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn part1_1(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_2`
[INFO] [stdout]   --> src/challenges/day1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn part1_2(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_3`
[INFO] [stdout]   --> src/challenges/day1.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn part1_3(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4`
[INFO] [stdout]   --> src/challenges/day1.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn part1_4(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4smart`
[INFO] [stdout]   --> src/challenges/day1.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn part1_4smart(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_4smartvec`
[INFO] [stdout]   --> src/challenges/day1.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn part1_4smartvec(data: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_5`
[INFO] [stdout]    --> src/challenges/day1.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn part1_5(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1_5p`
[INFO] [stdout]    --> src/challenges/day1.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn part1_5p(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_2`
[INFO] [stdout]    --> src/challenges/day1.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn part2_2(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_1`
[INFO] [stdout]    --> src/challenges/day1.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn part2_1(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_3`
[INFO] [stdout]    --> src/challenges/day1.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn part2_3(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]    --> src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     end: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/challenges/day1.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/challenges/day1.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check1`
[INFO] [stdout]   --> src/challenges/day2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn check1(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check2`
[INFO] [stdout]   --> src/challenges/day2.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn check2(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/challenges/day2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/challenges/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Path`
[INFO] [stdout]  --> src/challenges/day3.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Path {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nb_trees_in`
[INFO] [stdout]  --> src/challenges/day3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn nb_trees_in(data: &[String], p: &Path) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/challenges/day3.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/challenges/day3.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Validator`
[INFO] [stdout]  --> src/challenges/day4.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Validator;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `byr`
[INFO] [stdout]   --> src/challenges/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iyr`
[INFO] [stdout]   --> src/challenges/day4.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/challenges/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_file<T>(p: &str) -> Result<Vec<T>, Box<dyn Error>>
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::challenges::utils`
[INFO] [stdout]  --> benches/../src/challenges/day1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::challenges::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> benches/../src/challenges/day1.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp`, `env`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:119:11
[INFO] [stdout]     |
[INFO] [stdout] 119 | use std::{cmp, env};
[INFO] [stdout]     |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> benches/../src/challenges/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> benches/../src/challenges/day4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `part2_1`, `part2_2`, `part2_3`
[INFO] [stdout]  --> benches/my_benchmark.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         part2_1, part2_2, part2_3,
[INFO] [stdout]   |         ^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_2`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn part2_2(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_1`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn part2_1(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2_3`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn part2_3(data: &[i32]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     end: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check1`
[INFO] [stdout]   --> benches/../src/challenges/day2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn check1(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check2`
[INFO] [stdout]   --> benches/../src/challenges/day2.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn check2(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> benches/../src/challenges/day2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> benches/../src/challenges/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Path`
[INFO] [stdout]  --> benches/../src/challenges/day3.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Path {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nb_trees_in`
[INFO] [stdout]  --> benches/../src/challenges/day3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn nb_trees_in(data: &[String], p: &Path) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> benches/../src/challenges/day3.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> benches/../src/challenges/day3.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Validator`
[INFO] [stdout]  --> benches/../src/challenges/day4.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Validator;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `byr`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iyr`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PassportRaw`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | type PassportRaw = HashMap<String, String>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn is_valid(passport: &PassportRaw) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn read_file(p: &str) -> Result<Vec<Vec<String>>, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_passports`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn create_passports(data: Vec<Vec<String>>) -> Vec<PassportRaw> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn part1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "d20064453fafe66ca7f064f51af49bb46fbd80651e8eae74330f55bf0171ce77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20064453fafe66ca7f064f51af49bb46fbd80651e8eae74330f55bf0171ce77", kill_on_drop: false }`
[INFO] [stdout] d20064453fafe66ca7f064f51af49bb46fbd80651e8eae74330f55bf0171ce77