[INFO] cloning repository https://github.com/hastou/AOC2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hastou/AOC2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhastou%2FAOC2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhastou%2FAOC2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b89c1987af320de85389e76aa5c80d8beaf1e45e
[INFO] checking hastou/AOC2024 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhastou%2FAOC2024" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hastou/AOC2024
[INFO] finished tweaking git repo https://github.com/hastou/AOC2024
[INFO] tweaked toml for git repo https://github.com/hastou/AOC2024 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hastou/AOC2024 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hastou/AOC2024 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking hastou/AOC2024 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhastou%2FAOC2024" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hastou/AOC2024
[INFO] finished tweaking git repo https://github.com/hastou/AOC2024
[INFO] tweaked toml for git repo https://github.com/hastou/AOC2024 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hastou/AOC2024 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hastou/AOC2024 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccbd871ea8d6bee24a76e452c7249736ff4e9a2f254fa613dc1289eb36a3745
[INFO] running `Command { std: "docker" "start" "-a" "4ccbd871ea8d6bee24a76e452c7249736ff4e9a2f254fa613dc1289eb36a3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccbd871ea8d6bee24a76e452c7249736ff4e9a2f254fa613dc1289eb36a3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccbd871ea8d6bee24a76e452c7249736ff4e9a2f254fa613dc1289eb36a3745", kill_on_drop: false }`
[INFO] [stdout] 4ccbd871ea8d6bee24a76e452c7249736ff4e9a2f254fa613dc1289eb36a3745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176d2ac5edc39e33f6570fe614168838167427542aa47c08c76bccdc1b8636bf
[INFO] running `Command { std: "docker" "start" "-a" "176d2ac5edc39e33f6570fe614168838167427542aa47c08c76bccdc1b8636bf", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking advent2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `GridUtilities` is never used
[INFO] [stdout]  --> ex4/ex4.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait GridUtilities {
[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 `compute_trailhead_score2_iter` is never used
[INFO] [stdout]   --> ex10/ex10.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn compute_trailhead_score2_iter(pos: (i32, i32), map: &Vec<Vec<i32>>) -> u32 {
[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 `compute_trailhead_score2_iter` is never used
[INFO] [stdout]   --> ex10/ex10.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn compute_trailhead_score2_iter(pos: (i32, i32), map: &Vec<Vec<i32>>) -> u32 {
[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: `BufRead`
[INFO] [stdout]  --> ex11/ex11.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> ex11/ex11.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut result = 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]   --> ex11/ex11.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut vec = file_content
[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: unused variable: `visited_pos`
[INFO] [stdout]   --> ex12/ex12.rs:50:64
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn compute_region_side_count(pos: Point, map: &Vec<Vec<char>>, visited_pos: &mut HashSet<Point>) -> i32 {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> ex9/ex9.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for d in 0..c.to_digit(10).unwrap() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> ex9/ex9.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for d in 0..c.to_digit(10).unwrap() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ex12/ex12.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut actual_pos = stack.pop().unwrap();
[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: trait `GridUtilities` is never used
[INFO] [stdout]  --> ex4/ex4.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait GridUtilities {
[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 variable: `d`
[INFO] [stdout]   --> ex9/ex9.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for d in 0..c.to_digit(10).unwrap() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> ex9/ex9.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for d in 0..c.to_digit(10).unwrap() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ex6/ex6.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut options: std::collections::HashSet<(i32, i32)> = std::collections::HashSet::new();
[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: unused variable: `options`
[INFO] [stdout]    --> ex6/ex6.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut options: std::collections::HashSet<(i32, i32)> = std::collections::HashSet::new();
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_pos`
[INFO] [stdout]    --> ex6/ex6.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let start_pos = game_state.current_position.clone();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_map_and_game_state` is never used
[INFO] [stdout]    --> ex6/ex6.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn print_map_and_game_state(map: &Vec<Vec<char>>, game_state: &GameState) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GridUtilities` is never used
[INFO] [stdout]  --> ex4/ex4-2.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait GridUtilities {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GridUtilities` is never used
[INFO] [stdout]  --> ex4/ex4-2.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait GridUtilities {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> ex8/ex8.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn parse_file(file_path: &str) -> io::Result<(Vec<Vec<char>>)>{
[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] 7 - fn parse_file(file_path: &str) -> io::Result<(Vec<Vec<char>>)>{
[INFO] [stdout] 7 + fn parse_file(file_path: &str) -> io::Result<Vec<Vec<char>> >{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> ex8/ex8.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout]    |                        ^                                                                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -                     if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout] 45 +                     if node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> ex8/ex8.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...   if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout]    |          ^                                                                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                         if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout] 65 +                         if node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> ex24/ex24.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn compute(operation: &Operation, binaries: & mut HashMap<String, bool>, operations: &HashMap<String, Operation>) -> 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: variable does not need to be mutable
[INFO] [stdout]    --> ex6/ex6.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut options: std::collections::HashSet<(i32, i32)> = std::collections::HashSet::new();
[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: unused variable: `options`
[INFO] [stdout]    --> ex6/ex6.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut options: std::collections::HashSet<(i32, i32)> = std::collections::HashSet::new();
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_pos`
[INFO] [stdout]    --> ex6/ex6.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let start_pos = game_state.current_position.clone();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_map_and_game_state` is never used
[INFO] [stdout]    --> ex6/ex6.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn print_map_and_game_state(map: &Vec<Vec<char>>, game_state: &GameState) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> ex24/ex24.rs:40:72
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let result = compute(operations.get(&operation.input1).unwrap().deref(), binaries, operations);
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operation` does not implement `Deref`, so calling `deref` on `&Operation` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 40 -         let result = compute(operations.get(&operation.input1).unwrap().deref(), binaries, operations);
[INFO] [stdout] 40 +         let result = compute(operations.get(&operation.input1).unwrap(), binaries, operations);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operation`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Clone)]
[INFO] [stdout] 15 | struct Operation {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ex8/ex8.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut map = parse_file(file_path).unwrap();
[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: unused variable: `col`
[INFO] [stdout]   --> ex8/ex8.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for (col, pos_list) in hash_map.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> ex8/ex8.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     for (col, pos_list) in hash_map.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> ex24/ex24.rs:44:72
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let result = compute(operations.get(&operation.input2).unwrap().deref(), binaries, operations);
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operation` does not implement `Deref`, so calling `deref` on `&Operation` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let result = compute(operations.get(&operation.input2).unwrap().deref(), binaries, operations);
[INFO] [stdout] 44 +         let result = compute(operations.get(&operation.input2).unwrap(), binaries, operations);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operation`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Clone)]
[INFO] [stdout] 15 | struct Operation {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> ex11/ex11.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> ex11/ex11.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut result = 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: function `compute` is never used
[INFO] [stdout]   --> ex24/ex24.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn compute(operation: &Operation, binaries: & mut HashMap<String, bool>, operations: &HashMap<String, Operation>) -> 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: variable does not need to be mutable
[INFO] [stdout]   --> ex11/ex11.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut vec = file_content
[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: unused variable: `visited_pos`
[INFO] [stdout]   --> ex12/ex12.rs:50:64
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn compute_region_side_count(pos: Point, map: &Vec<Vec<char>>, visited_pos: &mut HashSet<Point>) -> i32 {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> ex24/ex24.rs:40:72
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let result = compute(operations.get(&operation.input1).unwrap().deref(), binaries, operations);
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operation` does not implement `Deref`, so calling `deref` on `&Operation` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 40 -         let result = compute(operations.get(&operation.input1).unwrap().deref(), binaries, operations);
[INFO] [stdout] 40 +         let result = compute(operations.get(&operation.input1).unwrap(), binaries, operations);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operation`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Clone)]
[INFO] [stdout] 15 | struct Operation {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ex12/ex12.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut actual_pos = stack.pop().unwrap();
[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: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> ex24/ex24.rs:44:72
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let result = compute(operations.get(&operation.input2).unwrap().deref(), binaries, operations);
[INFO] [stdout]    |                                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operation` does not implement `Deref`, so calling `deref` on `&Operation` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let result = compute(operations.get(&operation.input2).unwrap().deref(), binaries, operations);
[INFO] [stdout] 44 +         let result = compute(operations.get(&operation.input2).unwrap(), binaries, operations);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operation`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Clone)]
[INFO] [stdout] 15 | struct Operation {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> ex8/ex8.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn parse_file(file_path: &str) -> io::Result<(Vec<Vec<char>>)>{
[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] 7 - fn parse_file(file_path: &str) -> io::Result<(Vec<Vec<char>>)>{
[INFO] [stdout] 7 + fn parse_file(file_path: &str) -> io::Result<Vec<Vec<char>> >{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> ex8/ex8.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout]    |                        ^                                                                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -                     if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout] 45 +                     if node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> ex8/ex8.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...   if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout]    |          ^                                                                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                         if (node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize) {
[INFO] [stdout] 65 +                         if node_pos.0 < 0 || node_pos.1 < 0 || node_pos.0 >= map[0].len() as isize || node_pos.1 >= map.len() as isize  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ex8/ex8.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut map = parse_file(file_path).unwrap();
[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: unused variable: `col`
[INFO] [stdout]   --> ex8/ex8.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for (col, pos_list) in hash_map.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> ex8/ex8.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     for (col, pos_list) in hash_map.iter() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "176d2ac5edc39e33f6570fe614168838167427542aa47c08c76bccdc1b8636bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176d2ac5edc39e33f6570fe614168838167427542aa47c08c76bccdc1b8636bf", kill_on_drop: false }`
[INFO] [stdout] 176d2ac5edc39e33f6570fe614168838167427542aa47c08c76bccdc1b8636bf