[INFO] cloning repository https://github.com/0xEniotna/Aoc_22_RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xEniotna/Aoc_22_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xEniotna%2FAoc_22_RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xEniotna%2FAoc_22_RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f77bb3f72580d1e8d141c085db5bf211da91dc3
[INFO] checking 0xEniotna/Aoc_22_RUST against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xEniotna%2FAoc_22_RUST" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xEniotna/Aoc_22_RUST
[INFO] finished tweaking git repo https://github.com/0xEniotna/Aoc_22_RUST
[INFO] tweaked toml for git repo https://github.com/0xEniotna/Aoc_22_RUST written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xEniotna/Aoc_22_RUST 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/0xEniotna/Aoc_22_RUST 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 thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c7f2b65727381f4fa8e967db2a41ad442f89cf50212272ad35d4286660295012
[INFO] running `Command { std: "docker" "start" "-a" "c7f2b65727381f4fa8e967db2a41ad442f89cf50212272ad35d4286660295012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f2b65727381f4fa8e967db2a41ad442f89cf50212272ad35d4286660295012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f2b65727381f4fa8e967db2a41ad442f89cf50212272ad35d4286660295012", kill_on_drop: false }`
[INFO] [stdout] c7f2b65727381f4fa8e967db2a41ad442f89cf50212272ad35d4286660295012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] af8f9f34a17143403ebb59c262768e2b085134f825e0a8904fae0419be2eb361
[INFO] running `Command { std: "docker" "start" "-a" "af8f9f34a17143403ebb59c262768e2b085134f825e0a8904fae0419be2eb361", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking aoc_22_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[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 import: `std::env`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[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 macro definition: `assert_approx_eq`
[INFO] [stdout]   --> src/lib.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 | macro_rules! assert_approx_eq {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]  --> src/bin/day8.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::array;
[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 import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day8.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/bin/day8.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Enumerate`
[INFO] [stdout]  --> src/bin/day8.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Enumerate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day8.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (array[i][idx_col] >= array[idx_row][idx_col]) {
[INFO] [stdout]    |                ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             if (array[i][idx_col] >= array[idx_row][idx_col]) {
[INFO] [stdout] 46 +             if array[i][idx_col] >= array[idx_row][idx_col]  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day10.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 if (cycle % 40 == 0) {
[INFO] [stdout]    |                    ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -                 if (cycle % 40 == 0) {
[INFO] [stdout] 78 +                 if cycle % 40 == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day10.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     if (cycle % 40 == 0) {
[INFO] [stdout]    |                        ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -                     if (cycle % 40 == 0) {
[INFO] [stdout] 87 +                     if cycle % 40 == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day10.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day6.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aoc_22_rust::read_file`
[INFO] [stdout]  --> src/bin/day7-bis.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc_22_rust::read_file;
[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 import: `std::env`
[INFO] [stdout]  --> src/bin/day7-bis.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_left` is never used
[INFO] [stdout]   --> src/bin/day8.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_visible_left(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_right` is never used
[INFO] [stdout]   --> src/bin/day8.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn is_visible_right(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_top` is never used
[INFO] [stdout]   --> src/bin/day8.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn is_visible_top(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_bottom` is never used
[INFO] [stdout]   --> src/bin/day8.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn is_visible_bottom(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]    --> src/bin/day8.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn question1() -> Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day7.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[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 import: `std::io::Cursor`
[INFO] [stdout]  --> src/bin/day7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]  --> src/bin/day8.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::array;
[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 import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day8.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/bin/day8.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Enumerate`
[INFO] [stdout]  --> src/bin/day8.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Enumerate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day8.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (array[i][idx_col] >= array[idx_row][idx_col]) {
[INFO] [stdout]    |                ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             if (array[i][idx_col] >= array[idx_row][idx_col]) {
[INFO] [stdout] 46 +             if array[i][idx_col] >= array[idx_row][idx_col]  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day9-bis-elias.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_command(command: &str) -> Result<Vec<MoveCommand>, Error> {
[INFO] [stdout]    |                           ^^^^ the lifetime is elided here  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_command(command: &str) -> Result<Vec<MoveCommand>, Error<'_>> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut counter_ls_end = 0;
[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/bin/day7-bis.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut state = read_filesystem(input);
[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/bin/day7-bis.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut state = read_filesystem(input);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `parent` are never read
[INFO] [stdout]   --> src/bin/day7-bis.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Directory {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 27 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     parent: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Directory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capacity` is never read
[INFO] [stdout]   --> src/bin/day7-bis.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct State {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 35 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]    --> src/bin/day7-bis.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day7.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[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 import: `std::io::Cursor`
[INFO] [stdout]  --> src/bin/day7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter_ls_start` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day7.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut counter_ls_start = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter_ls_start` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter_ls_end`
[INFO] [stdout]   --> src/bin/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut counter_ls_end = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_ls_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_folder` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day7.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut last_folder = "".to_string();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_folder` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `counter_ls_start` is never read
[INFO] [stdout]   --> src/bin/day7.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             counter_ls_start = index + 1;
[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: value assigned to `last_folder` is never read
[INFO] [stdout]   --> src/bin/day7.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 last_folder = line_split[2].to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/bin/day7.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let line = line?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_left` is never used
[INFO] [stdout]   --> src/bin/day8.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_visible_left(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_right` is never used
[INFO] [stdout]   --> src/bin/day8.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn is_visible_right(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_top` is never used
[INFO] [stdout]   --> src/bin/day8.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn is_visible_top(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_visible_bottom` is never used
[INFO] [stdout]   --> src/bin/day8.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn is_visible_bottom(array: &[Vec<i16>], idx_row: usize, idx_col: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]    --> src/bin/day8.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn question1() -> Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question2` is never used
[INFO] [stdout]   --> src/bin/day7.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn question2() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `size` are never read
[INFO] [stdout]   --> src/bin/day7.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Entry {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 98 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 99 |     size: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `depth` are never read
[INFO] [stdout]    --> src/bin/day7.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct TreeNode {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 102 |     value: Entry,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 103 |     depth: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `compute_node_size`, `get_value`, and `get_depth` are never used
[INFO] [stdout]    --> src/bin/day7.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl TreeNode {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 108 |     fn new(entry: Entry, _depth: i32) -> TreeNode {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn compute_node_size(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn get_value(&self) -> &Entry {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn get_depth(&self) -> &i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_size` is never used
[INFO] [stdout]    --> src/bin/day7.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn get_size(entry: &Entry) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_entry` is never used
[INFO] [stdout]    --> src/bin/day7.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn create_entry(name: &str, size: i32) -> Entry {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut counter_ls_end = 0;
[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 `counter_ls_start` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day7.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut counter_ls_start = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter_ls_start` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter_ls_end`
[INFO] [stdout]   --> src/bin/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut counter_ls_end = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_ls_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_folder` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day7.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut last_folder = "".to_string();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_folder` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `counter_ls_start` is never read
[INFO] [stdout]   --> src/bin/day7.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             counter_ls_start = index + 1;
[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: value assigned to `last_folder` is never read
[INFO] [stdout]   --> src/bin/day7.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 last_folder = line_split[2].to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/bin/day7.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let line = line?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question2` is never used
[INFO] [stdout]   --> src/bin/day7.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn question2() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `size` are never read
[INFO] [stdout]   --> src/bin/day7.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Entry {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 98 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 99 |     size: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `depth` are never read
[INFO] [stdout]    --> src/bin/day7.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct TreeNode {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 102 |     value: Entry,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 103 |     depth: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `compute_node_size`, `get_value`, and `get_depth` are never used
[INFO] [stdout]    --> src/bin/day7.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl TreeNode {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 108 |     fn new(entry: Entry, _depth: i32) -> TreeNode {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn compute_node_size(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn get_value(&self) -> &Entry {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn get_depth(&self) -> &i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_size` is never used
[INFO] [stdout]    --> src/bin/day7.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn get_size(entry: &Entry) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_entry` is never used
[INFO] [stdout]    --> src/bin/day7.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn create_entry(name: &str, size: i32) -> Entry {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day6.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/bin/day9.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut res = 0;
[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/bin/day9.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut h: Point = Point { x: 0, y: 0 };
[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: value assigned to `res` is never read
[INFO] [stdout]    --> src/bin/day9.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut res = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day9.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]   --> src/bin/day9.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn check_adjacent(H: &Point, T: &Point) -> bool {
[INFO] [stdout]    |                   ^ help: convert the identifier to snake case: `h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/day9.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn check_adjacent(H: &Point, T: &Point) -> bool {
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case: `t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/bin/day9.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut res = 0;
[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/bin/day9.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut h: Point = Point { x: 0, y: 0 };
[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: value assigned to `res` is never read
[INFO] [stdout]    --> src/bin/day9.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut res = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day9.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]   --> src/bin/day9.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn check_adjacent(H: &Point, T: &Point) -> bool {
[INFO] [stdout]    |                   ^ help: convert the identifier to snake case: `h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/day9.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn check_adjacent(H: &Point, T: &Point) -> bool {
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case: `t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day9-bis-elias.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_command(command: &str) -> Result<Vec<MoveCommand>, Error> {
[INFO] [stdout]    |                           ^^^^ the lifetime is elided here  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_command(command: &str) -> Result<Vec<MoveCommand>, Error<'_>> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aoc_22_rust::read_file`
[INFO] [stdout]  --> src/bin/day7-bis.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aoc_22_rust::read_file;
[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 import: `std::env`
[INFO] [stdout]  --> src/bin/day7-bis.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day10.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 if (cycle % 40 == 0) {
[INFO] [stdout]    |                    ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -                 if (cycle % 40 == 0) {
[INFO] [stdout] 78 +                 if cycle % 40 == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day7-bis.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut state = read_filesystem(input);
[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: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day10.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     if (cycle % 40 == 0) {
[INFO] [stdout]    |                        ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -                     if (cycle % 40 == 0) {
[INFO] [stdout] 87 +                     if cycle % 40 == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day7-bis.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut state = read_filesystem(input);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `parent` are never read
[INFO] [stdout]   --> src/bin/day7-bis.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Directory {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 27 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     parent: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Directory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capacity` is never read
[INFO] [stdout]   --> src/bin/day7-bis.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct State {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 35 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]    --> src/bin/day7-bis.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question1` is never used
[INFO] [stdout]   --> src/bin/day10.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn question1() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "af8f9f34a17143403ebb59c262768e2b085134f825e0a8904fae0419be2eb361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8f9f34a17143403ebb59c262768e2b085134f825e0a8904fae0419be2eb361", kill_on_drop: false }`
[INFO] [stdout] af8f9f34a17143403ebb59c262768e2b085134f825e0a8904fae0419be2eb361
