[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 }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abaf1f09b92ce14906a267e89a2f41c264e1de2a
[INFO] checking zandeck/aoc-2020 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/aoc-2020 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/myrrlyn/bitvec.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5cda6c0461843f8fbbff06f429b293393fa7e0380021f9a515b05549f242d9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cda6c0461843f8fbbff06f429b293393fa7e0380021f9a515b05549f242d9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cda6c0461843f8fbbff06f429b293393fa7e0380021f9a515b05549f242d9ee", kill_on_drop: false }`
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[INFO] [stdout] a58291b252080406d131dc5cb61fce7f0039eee3bd1b2ea1edab3ccf638d4fea
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
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[INFO] [stderr]    Compiling rayon v1.5.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bitvec v0.20.0 (https://github.com/myrrlyn/bitvec.git#ee0be42a)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
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[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[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` 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: field `end` is never read
[INFO] [stdout]    --> src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |     end: bool,
[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: 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] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[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` and `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`, and `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: 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: field `end` is never read
[INFO] [stdout]    --> src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |     end: bool,
[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: 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] [stdout] warning: function `part2_2` is never used
[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 `part2_1` is never used
[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 `part2_3` is never used
[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 `end` is never read
[INFO] [stdout]    --> benches/../src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |     end: bool,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> benches/../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]   --> benches/../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]   --> benches/../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]   --> 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 `part2` is never used
[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 `Path` is never constructed
[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 `nb_trees_in` is never used
[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 `part1` is never used
[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 `part2` is never used
[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 `Validator` is never constructed
[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 functions `byr` and `iyr` are never used
[INFO] [stdout]   --> benches/../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: type alias `PassportRaw` is never used
[INFO] [stdout]   --> benches/../src/challenges/day4.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | type PassportRaw = HashMap<String, String>;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[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 `read_file` is never used
[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 `create_passports` is never used
[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 `part1` is never used
[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: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.52s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "a58291b252080406d131dc5cb61fce7f0039eee3bd1b2ea1edab3ccf638d4fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58291b252080406d131dc5cb61fce7f0039eee3bd1b2ea1edab3ccf638d4fea", kill_on_drop: false }`
[INFO] [stdout] a58291b252080406d131dc5cb61fce7f0039eee3bd1b2ea1edab3ccf638d4fea
[INFO] checking zandeck/aoc-2020 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Faoc-2020" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/aoc-2020 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a85bdf74865330f5151e8b8f7570a37bc16062d87813b1256ed7e6828ceaee77
[INFO] running `Command { std: "docker" "start" "-a" "a85bdf74865330f5151e8b8f7570a37bc16062d87813b1256ed7e6828ceaee77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a85bdf74865330f5151e8b8f7570a37bc16062d87813b1256ed7e6828ceaee77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85bdf74865330f5151e8b8f7570a37bc16062d87813b1256ed7e6828ceaee77", kill_on_drop: false }`
[INFO] [stdout] a85bdf74865330f5151e8b8f7570a37bc16062d87813b1256ed7e6828ceaee77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2975e455ed70cd46b6f4a5b3b5b7e6f08c25e959f00c36891082622c0ad459f7
[INFO] running `Command { std: "docker" "start" "-a" "2975e455ed70cd46b6f4a5b3b5b7e6f08c25e959f00c36891082622c0ad459f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling libc v0.2.80
[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 either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling radium v0.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking bitvec v0.20.0 (https://github.com/myrrlyn/bitvec.git#ee0be42a)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking regex v1.4.2
[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` 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: field `end` is never read
[INFO] [stdout]    --> src/challenges/day1.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Combination<'a> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |     end: bool,
[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: 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] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/challenges/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let f = File::open(p)?;
[INFO] [stdout]    |           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |       let buf_reader = BufReader::new(f);
[INFO] [stdout]    |           ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 14 |       Ok(buf_reader
[INFO] [stdout]    |  ________^
[INFO] [stdout] 15 | |         .lines()
[INFO] [stdout] 16 | |         .map(|l| FromStr::from_str(&l.unwrap()).unwrap())
[INFO] [stdout] 17 | |         .collect())
[INFO] [stdout]    | |                  ^
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |__________________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/challenges/utils.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .map(|l| FromStr::from_str(&l.unwrap()).unwrap())
[INFO] [stdout]    |               -  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2020` (bin "aoc-2020") due to 3 previous errors; 32 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2975e455ed70cd46b6f4a5b3b5b7e6f08c25e959f00c36891082622c0ad459f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2975e455ed70cd46b6f4a5b3b5b7e6f08c25e959f00c36891082622c0ad459f7", kill_on_drop: false }`
[INFO] [stdout] 2975e455ed70cd46b6f4a5b3b5b7e6f08c25e959f00c36891082622c0ad459f7