[INFO] cloning repository https://github.com/SebbeM/advent22
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SebbeM/advent22" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebbeM%2Fadvent22", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebbeM%2Fadvent22'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fce21f3ef0754f737d87865638f4866e1df41af9
[INFO] checking SebbeM/advent22 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebbeM%2Fadvent22" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SebbeM/advent22
[INFO] finished tweaking git repo https://github.com/SebbeM/advent22
[INFO] tweaked toml for git repo https://github.com/SebbeM/advent22 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SebbeM/advent22 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SebbeM/advent22 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4166ddce8d88240dff0879aac1e5b0726742e73488cd746ceabacaaa689ae4a9
[INFO] running `Command { std: "docker" "start" "-a" "4166ddce8d88240dff0879aac1e5b0726742e73488cd746ceabacaaa689ae4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4166ddce8d88240dff0879aac1e5b0726742e73488cd746ceabacaaa689ae4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4166ddce8d88240dff0879aac1e5b0726742e73488cd746ceabacaaa689ae4a9", kill_on_drop: false }`
[INFO] [stdout] 4166ddce8d88240dff0879aac1e5b0726742e73488cd746ceabacaaa689ae4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d848ee2d8fb78d76cc5f7e143abf89b2dcdc4af80f286079d7e529613926b0
[INFO] running `Command { std: "docker" "start" "-a" "b8d848ee2d8fb78d76cc5f7e143abf89b2dcdc4af80f286079d7e529613926b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking advent22 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Split`
[INFO] [stdout]  --> src/day4.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Split};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `Split`
[INFO] [stdout]  --> src/day5.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Read, Seek, Split};
[INFO] [stdout]   |                                   ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day6.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/day6.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Seek`, and `Split`
[INFO] [stdout]  --> src/day6.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Read, Seek, Split};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Split`
[INFO] [stdout]  --> src/day4.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Split};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `Split`
[INFO] [stdout]  --> src/day5.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Read, Seek, Split};
[INFO] [stdout]   |                                   ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day6.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/day6.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Seek`, and `Split`
[INFO] [stdout]  --> src/day6.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Read, Seek, Split};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^  ^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day4.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut range: Vec<&str> = string.split("-").collect();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day5.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut stacks: Vec<Vec<char>> = parse_stacks(file);
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day5.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut no_of_stacks: usize = (line.len() + 1) / 4; // len() seems to be 1 short for some reason
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/day5.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     line = reader.next().expect("No lines could be read").ok().unwrap_or_default();
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn find_start(mut string: String) -> Option<usize> {
[INFO] [stdout]    |               ----^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_MATRIX` is never used
[INFO] [stdout]  --> src/day2.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const RESULT_MATRIX: [[i32; 3]; 3] = [  [3, 0, 6],
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRATEGY_MATRIX` is never used
[INFO] [stdout]   --> src/day2.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const STRATEGY_MATRIX: [[i32; 3]; 3] = [[2, 0, 1],
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIGN_MAP` is never used
[INFO] [stdout]   --> src/day2.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SIGN_MAP: phf::Map<&str, i32> = phf_map![
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/day2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_game` is never used
[INFO] [stdout]   --> src/day2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn calculate_game(signs: String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIORITIES` is never used
[INFO] [stdout]  --> src/day3.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const PRIORITIES: &str = "0abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day3.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranges_contained` is never used
[INFO] [stdout]   --> src/day4.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn ranges_contained(line: &String) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranges_overlap` is never used
[INFO] [stdout]   --> src/day4.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn ranges_overlap(line: &String) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_range` is never used
[INFO] [stdout]   --> src/day4.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_range(string: &str) -> (i8, i8) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POWER_LEVEL` is never used
[INFO] [stdout]  --> src/day5.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const POWER_LEVEL: i32 = 9001;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day5.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_stacks` is never used
[INFO] [stdout]   --> src/day5.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_stacks(file: File) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day4.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut range: Vec<&str> = string.split("-").collect();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day5.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut stacks: Vec<Vec<char>> = parse_stacks(file);
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day5.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut no_of_stacks: usize = (line.len() + 1) / 4; // len() seems to be 1 short for some reason
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/day5.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     line = reader.next().expect("No lines could be read").ok().unwrap_or_default();
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn find_start(mut string: String) -> Option<usize> {
[INFO] [stdout]    |               ----^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_MATRIX` is never used
[INFO] [stdout]  --> src/day2.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const RESULT_MATRIX: [[i32; 3]; 3] = [  [3, 0, 6],
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRATEGY_MATRIX` is never used
[INFO] [stdout]   --> src/day2.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const STRATEGY_MATRIX: [[i32; 3]; 3] = [[2, 0, 1],
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIGN_MAP` is never used
[INFO] [stdout]   --> src/day2.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SIGN_MAP: phf::Map<&str, i32> = phf_map![
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/day2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_game` is never used
[INFO] [stdout]   --> src/day2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn calculate_game(signs: String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIORITIES` is never used
[INFO] [stdout]  --> src/day3.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const PRIORITIES: &str = "0abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day3.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranges_contained` is never used
[INFO] [stdout]   --> src/day4.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn ranges_contained(line: &String) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranges_overlap` is never used
[INFO] [stdout]   --> src/day4.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn ranges_overlap(line: &String) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_range` is never used
[INFO] [stdout]   --> src/day4.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_range(string: &str) -> (i8, i8) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POWER_LEVEL` is never used
[INFO] [stdout]  --> src/day5.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const POWER_LEVEL: i32 = 9001;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/day5.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_stacks` is never used
[INFO] [stdout]   --> src/day5.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_stacks(file: File) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "b8d848ee2d8fb78d76cc5f7e143abf89b2dcdc4af80f286079d7e529613926b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d848ee2d8fb78d76cc5f7e143abf89b2dcdc4af80f286079d7e529613926b0", kill_on_drop: false }`
[INFO] [stdout] b8d848ee2d8fb78d76cc5f7e143abf89b2dcdc4af80f286079d7e529613926b0
