[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 try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zandeck/aoc-2020 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zandeck/aoc-2020 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/myrrlyn/bitvec.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radium v0.6.1
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4454d3aa997fe231df6053d700a95ff1917bd8142eaafd255a03dde69da5e5e
[INFO] running `Command { std: "docker" "start" "-a" "e4454d3aa997fe231df6053d700a95ff1917bd8142eaafd255a03dde69da5e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4454d3aa997fe231df6053d700a95ff1917bd8142eaafd255a03dde69da5e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4454d3aa997fe231df6053d700a95ff1917bd8142eaafd255a03dde69da5e5e", kill_on_drop: false }`
[INFO] [stdout] e4454d3aa997fe231df6053d700a95ff1917bd8142eaafd255a03dde69da5e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4defc56d2b9dcd49c4412feef05dde08198f5752ffb7fdaa1d41f110424cab97
[INFO] running `Command { std: "docker" "start" "-a" "4defc56d2b9dcd49c4412feef05dde08198f5752ffb7fdaa1d41f110424cab97", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bitvec v0.20.0 (https://github.com/myrrlyn/bitvec.git#ee0be42a)
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[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` and `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 `f` is never used
[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 `g` is never used
[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 `part1_1` is never used
[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 `part1_2` is never used
[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 `part1_3` is never used
[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 `part1_4` is never used
[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 `part1_4smart` is never used
[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 `part1_4smartvec` is never used
[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 `part1_5` is never used
[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 `part1_5p` is never used
[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 `part2_2` is never used
[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 `part2_1` is never used
[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 `part2_3` is never used
[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: struct `Combination` is never constructed
[INFO] [stdout]    --> src/challenges/day1.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/challenges/day1.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a> Combination<'a> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Combination3` is never constructed
[INFO] [stdout]    --> src/challenges/day1.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Combination3<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/challenges/day1.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<'a> Combination3<'a> {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min`, `max`, `c`, and `s` are never read
[INFO] [stdout]   --> src/challenges/day2.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Password {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 8  |     min: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     max: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     c: char,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     s: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Password` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check1` and `check2` are never used
[INFO] [stdout]   --> src/challenges/day2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Password {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 15 |     pub fn check1(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn check2(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[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 `part2` is never used
[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 `Path` is never constructed
[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 `nb_trees_in` is never used
[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 `part1` is never used
[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 `part2` is never used
[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 `Validator` is never constructed
[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 functions `byr` and `iyr` are never used
[INFO] [stdout]   --> src/challenges/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Validator {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "4defc56d2b9dcd49c4412feef05dde08198f5752ffb7fdaa1d41f110424cab97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4defc56d2b9dcd49c4412feef05dde08198f5752ffb7fdaa1d41f110424cab97", kill_on_drop: false }`
[INFO] [stdout] 4defc56d2b9dcd49c4412feef05dde08198f5752ffb7fdaa1d41f110424cab97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fbc1d19a93eaf84d8cc124746eb71d5321380fcbdecd013c96af89e6d4780396
[INFO] running `Command { std: "docker" "start" "-a" "fbc1d19a93eaf84d8cc124746eb71d5321380fcbdecd013c96af89e6d4780396", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[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` and `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 `f` is never used
[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 `g` is never used
[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 `part1_1` is never used
[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 `part1_2` is never used
[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 `part1_3` is never used
[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 `part1_4` is never used
[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 `part1_4smart` is never used
[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 `part1_4smartvec` is never used
[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 `part1_5` is never used
[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 `part1_5p` is never used
[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 `part2_2` is never used
[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 `part2_1` is never used
[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 `part2_3` is never used
[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: struct `Combination` is never constructed
[INFO] [stdout]    --> src/challenges/day1.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/challenges/day1.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a> Combination<'a> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Combination3` is never constructed
[INFO] [stdout]    --> src/challenges/day1.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct Combination3<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/challenges/day1.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<'a> Combination3<'a> {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min`, `max`, `c`, and `s` are never read
[INFO] [stdout]   --> src/challenges/day2.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Password {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 8  |     min: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     max: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     c: char,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     s: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Password` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check1` and `check2` are never used
[INFO] [stdout]   --> src/challenges/day2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Password {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 15 |     pub fn check1(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn check2(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[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 `part2` is never used
[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 `Path` is never constructed
[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 `nb_trees_in` is never used
[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 `part1` is never used
[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 `part2` is never used
[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 `Validator` is never constructed
[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 functions `byr` and `iyr` are never used
[INFO] [stdout]   --> src/challenges/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Validator {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[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" "fbc1d19a93eaf84d8cc124746eb71d5321380fcbdecd013c96af89e6d4780396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc1d19a93eaf84d8cc124746eb71d5321380fcbdecd013c96af89e6d4780396", kill_on_drop: false }`
[INFO] [stdout] fbc1d19a93eaf84d8cc124746eb71d5321380fcbdecd013c96af89e6d4780396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6472e9111ba8695918cd75844fa21c09f00e97eee12e5df857c2cd88b2a5a655
[INFO] running `Command { std: "docker" "start" "-a" "6472e9111ba8695918cd75844fa21c09f00e97eee12e5df857c2cd88b2a5a655", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::challenges::utils`
[INFO] [stderr]  --> src/challenges/day1.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::challenges::utils;
[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` and `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 `f` is never used
[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 `g` is never used
[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 `part1_1` is never used
[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 `part1_2` is never used
[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 `part1_3` is never used
[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 `part1_4` is never used
[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 `part1_4smart` is never used
[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 `part1_4smartvec` is never used
[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 `part1_5` is never used
[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 `part1_5p` is never used
[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 `part2_2` is never used
[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 `part2_1` is never used
[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 `part2_3` is never used
[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: struct `Combination` is never constructed
[INFO] [stderr]    --> src/challenges/day1.rs:182:12
[INFO] [stderr]     |
[INFO] [stderr] 182 | pub struct Combination<'a> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/challenges/day1.rs:190:12
[INFO] [stderr]     |
[INFO] [stderr] 189 | impl<'a> Combination<'a> {
[INFO] [stderr]     | ------------------------ associated function in this implementation
[INFO] [stderr] 190 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Combination3` is never constructed
[INFO] [stderr]    --> src/challenges/day1.rs:218:12
[INFO] [stderr]     |
[INFO] [stderr] 218 | pub struct Combination3<'a> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/challenges/day1.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 225 | impl<'a> Combination3<'a> {
[INFO] [stderr]     | ------------------------- associated function in this implementation
[INFO] [stderr] 226 |     pub fn new(data: &'a [i32]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `min`, `max`, `c`, and `s` are never read
[INFO] [stderr]   --> src/challenges/day2.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub struct Password {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 8  |     min: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 9  |     max: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     c: char,
[INFO] [stderr]    |     ^
[INFO] [stderr] 11 |     s: String,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Password` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `check1` and `check2` are never used
[INFO] [stderr]   --> src/challenges/day2.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Password {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 15 |     pub fn check1(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn check2(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]   --> src/challenges/day2.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn part1() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/challenges/day2.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn part2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Path` is never constructed
[INFO] [stderr]  --> src/challenges/day3.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Path {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `nb_trees_in` is never used
[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 `part1` is never used
[INFO] [stderr]   --> src/challenges/day3.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn part1() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/challenges/day3.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn part2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Validator` is never constructed
[INFO] [stderr]  --> src/challenges/day4.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Validator;
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `byr` and `iyr` are never used
[INFO] [stderr]   --> src/challenges/day4.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Validator {
[INFO] [stderr]    | -------------- associated functions in this implementation
[INFO] [stderr] 12 |     pub fn byr(data: &str) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn iyr(data: &str) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file` is never used
[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 (run `cargo fix --bin "aoc-2020" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/aoc_2020-980678d3c6a2065c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6472e9111ba8695918cd75844fa21c09f00e97eee12e5df857c2cd88b2a5a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6472e9111ba8695918cd75844fa21c09f00e97eee12e5df857c2cd88b2a5a655", kill_on_drop: false }`
[INFO] [stdout] 6472e9111ba8695918cd75844fa21c09f00e97eee12e5df857c2cd88b2a5a655