[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] testing zandeck/aoc-2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/aoc-2020 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0674eb8b7fa30cd001101f8c6bbc693783d21e22f646714fd62f9673f20bd394
[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" "0674eb8b7fa30cd001101f8c6bbc693783d21e22f646714fd62f9673f20bd394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0674eb8b7fa30cd001101f8c6bbc693783d21e22f646714fd62f9673f20bd394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0674eb8b7fa30cd001101f8c6bbc693783d21e22f646714fd62f9673f20bd394", kill_on_drop: false }`
[INFO] [stdout] 0674eb8b7fa30cd001101f8c6bbc693783d21e22f646714fd62f9673f20bd394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 02f3b81ff883bd8ce90a2597a66616a116705a5c1b7b1490183e5c47631c5d22
[INFO] running `Command { std: "docker" "start" "-a" "02f3b81ff883bd8ce90a2597a66616a116705a5c1b7b1490183e5c47631c5d22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling bitvec v0.20.0 (https://github.com/myrrlyn/bitvec.git#ee0be42a)
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "02f3b81ff883bd8ce90a2597a66616a116705a5c1b7b1490183e5c47631c5d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f3b81ff883bd8ce90a2597a66616a116705a5c1b7b1490183e5c47631c5d22", kill_on_drop: false }`
[INFO] [stdout] 02f3b81ff883bd8ce90a2597a66616a116705a5c1b7b1490183e5c47631c5d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a45e36df1798b27d0c3c2f104ebf800469e9e4e7f1cd0da47ee19f53426833c
[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" "6a45e36df1798b27d0c3c2f104ebf800469e9e4e7f1cd0da47ee19f53426833c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling 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]     Finished test [unoptimized + debuginfo] target(s) in 40.49s
[INFO] running `Command { std: "docker" "inspect" "6a45e36df1798b27d0c3c2f104ebf800469e9e4e7f1cd0da47ee19f53426833c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a45e36df1798b27d0c3c2f104ebf800469e9e4e7f1cd0da47ee19f53426833c", kill_on_drop: false }`
[INFO] [stdout] 6a45e36df1798b27d0c3c2f104ebf800469e9e4e7f1cd0da47ee19f53426833c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 66abd4733347ad45fbdb215bd58031abf73fbb5a353e326a9a538e5f338922af
[INFO] running `Command { std: "docker" "start" "-a" "66abd4733347ad45fbdb215bd58031abf73fbb5a353e326a9a538e5f338922af", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::challenges::utils`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/challenges/day1.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use crate::challenges::utils;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/challenges/day1.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cmp`, `env`
[INFO] [stderr]    --> src/challenges/day1.rs:119:11
[INFO] [stderr]     |
[INFO] [stderr] 119 | use std::{cmp, env};
[INFO] [stderr]     |           ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/challenges/day4.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/challenges/day4.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]  --> src/challenges/day1.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn f(data: &[i32], combi: usize) -> i32 {
[INFO] [stderr]   |    ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `g`
[INFO] [stderr]   --> src/challenges/day1.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn g(data: &[i32]) -> i32 {
[INFO] [stderr]    |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_1`
[INFO] [stderr]   --> src/challenges/day1.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn part1_1(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_2`
[INFO] [stderr]   --> src/challenges/day1.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn part1_2(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_3`
[INFO] [stderr]   --> src/challenges/day1.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn part1_3(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_4`
[INFO] [stderr]   --> src/challenges/day1.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part1_4(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_4smart`
[INFO] [stderr]   --> src/challenges/day1.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn part1_4smart(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_4smartvec`
[INFO] [stderr]   --> src/challenges/day1.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn part1_4smartvec(data: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_5`
[INFO] [stderr]    --> src/challenges/day1.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn part1_5(data: &[i32]) -> i32 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1_5p`
[INFO] [stderr]    --> src/challenges/day1.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn part1_5p(data: &[i32]) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2_2`
[INFO] [stderr]    --> src/challenges/day1.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub fn part2_2(data: &[i32]) -> i32 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2_1`
[INFO] [stderr]    --> src/challenges/day1.rs:156:8
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub fn part2_1(data: &[i32]) -> i32 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2_3`
[INFO] [stderr]    --> src/challenges/day1.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub fn part2_3(data: &[i32]) -> i32 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/challenges/day1.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     end: bool,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/challenges/day1.rs:190:12
[INFO] [stderr]     |
[INFO] [stderr] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/challenges/day1.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check1`
[INFO] [stderr]   --> src/challenges/day2.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn check1(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check2`
[INFO] [stderr]   --> src/challenges/day2.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn check2(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/challenges/day2.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn part1() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/challenges/day2.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Path`
[INFO] [stderr]  --> src/challenges/day3.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Path {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `nb_trees_in`
[INFO] [stderr]  --> src/challenges/day3.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn nb_trees_in(data: &[String], p: &Path) -> usize {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/challenges/day3.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn part1() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/challenges/day3.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn part2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Validator`
[INFO] [stderr]  --> src/challenges/day4.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Validator;
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `byr`
[INFO] [stderr]   --> src/challenges/day4.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iyr`
[INFO] [stderr]   --> src/challenges/day4.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/challenges/utils.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn read_file<T>(p: &str) -> Result<Vec<T>, Box<dyn Error>>
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2020` (bin "aoc-2020" test) generated 33 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc_2020-a3f47ec86cece5d3)
[INFO] running `Command { std: "docker" "inspect" "66abd4733347ad45fbdb215bd58031abf73fbb5a353e326a9a538e5f338922af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66abd4733347ad45fbdb215bd58031abf73fbb5a353e326a9a538e5f338922af", kill_on_drop: false }`
[INFO] [stdout] 66abd4733347ad45fbdb215bd58031abf73fbb5a353e326a9a538e5f338922af