[INFO] updating cached repository https://github.com/santhoshselvan/advent-of-code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec51fa7d53859e06843275389e3226c30e44c3f1
[INFO] checking santhoshselvan/advent-of-code against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanthoshselvan%2Fadvent-of-code" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/santhoshselvan/advent-of-code on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/santhoshselvan/advent-of-code
[INFO] finished tweaking git repo https://github.com/santhoshselvan/advent-of-code
[INFO] tweaked toml for git repo https://github.com/santhoshselvan/advent-of-code written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/santhoshselvan/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb219a58330e9678f7b88545c865bd05a90b7b7e3e8a8843c8250c1896921b2d
[INFO] running `"docker" "start" "-a" "cb219a58330e9678f7b88545c865bd05a90b7b7e3e8a8843c8250c1896921b2d"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking queues v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking deflate v0.7.20
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[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking backtrace v0.3.40
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[INFO] [stderr]     Checking permutator v0.3.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking plotlib v0.4.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: static item is never used: `DEBUG_SHOW_INPUT_OUTPUT`
[INFO] [stderr]  --> src/intcode.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DEBUG_SHOW_INPUT_OUTPUT: bool = false;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `memory_string`
[INFO] [stderr]    --> src/intcode.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn memory_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32::MAX`
[INFO] [stderr]  --> src/bin/day06.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::f32::MAX;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Lines`
[INFO] [stderr]  --> src/bin/day14.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::Lines;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `intcode::IntCode`
[INFO] [stderr]  --> src/bin/day14.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use intcode::IntCode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/bin/day14.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/bin/day14.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `math::round::ceil`
[INFO] [stderr]  --> src/bin/day14.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use math::round::ceil;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/bin/day03.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 | /     (manhattan_distance(&intersection, &line1.point1) +
[INFO] [stderr] 174 | |         manhattan_distance(&intersection, &line1.point2) ==
[INFO] [stderr] 175 | |         manhattan_distance(&line1.point1, &line1.point2))
[INFO] [stderr]     | |_________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 173 |     manhattan_distance(&intersection, &line1.point1) +
[INFO] [stderr] 174 |         manhattan_distance(&intersection, &line1.point2) ==
[INFO] [stderr] 175 |         manhattan_distance(&line1.point1, &line1.point2)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `intcode`
[INFO] [stderr]    --> src/bin/day07.rs:257:17
[INFO] [stderr]     |
[INFO] [stderr] 257 |     use crate::{intcode, get_max_thruster_signal_with_one_round_of_amplification, get_max_thruster_signal_with_feedback_amplification};
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/bin/day14.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | /     loop {
[INFO] [stderr] 116 | |         let ore_used = get_ore_requirement(String::from("FUEL"), mid, &reactions, &mut HashMap::new());
[INFO] [stderr] 117 | |         if ore_used < available_ore && visited_points.contains(&mid) {
[INFO] [stderr] 118 | |             return mid;
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 134 | 
[INFO] [stderr] 135 |       unreachable!()
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::real::Real`
[INFO] [stderr]  --> src/bin/day14.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use num_traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*left_over` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/bin/day14.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let existing_leftover = left_over.get(chemical_name.as_str());
[INFO] [stderr]    |                             --------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 82 |             left_over.insert(chemical_name, leftover_value - units_required);
[INFO] [stderr]    |             ^^^^^^^^^                       -------------- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Lines`
[INFO] [stderr]  --> src/bin/day13.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::Lines;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `TRACE`
[INFO] [stderr]   --> src/bin/day14.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | static TRACE: bool = true;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `produce_from_trillion_units_of_ore_alternate`
[INFO] [stderr]    --> src/bin/day14.rs:139:4
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn produce_from_trillion_units_of_ore_alternate(reactions: &Vec<Reaction>) -> i64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> src/bin/day13.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/bin/day13.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `RgbImage`
[INFO] [stderr]  --> src/bin/day13.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crate::intcode`
[INFO] [stderr]    --> src/intcode.rs:235:16
[INFO] [stderr]     |
[INFO] [stderr] 235 |     use crate::intcode::IntCode;
[INFO] [stderr]     |                ^^^^^^^ maybe a missing crate `intcode`?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::real::Real`
[INFO] [stderr]  --> src/bin/day03.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intersection`
[INFO] [stderr]    --> src/bin/day03.rs:222:31
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let (is_intersecting, intersection) =
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intersection`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intersection`
[INFO] [stderr]    --> src/bin/day03.rs:230:31
[INFO] [stderr]     |
[INFO] [stderr] 230 |         let (is_intersecting, intersection) =
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intersection`
[INFO] [stderr]    --> src/bin/day03.rs:238:31
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let (is_intersecting, intersection) =
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `distance1`
[INFO] [stderr]    --> src/bin/day03.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let distance1 = distance_travelled_by_lines_to_reach_point(
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_distance1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `immediate_output_mode`
[INFO] [stderr]    --> src/bin/day07.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     immediate_output_mode: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_immediate_output_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/day13.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         for i in 0..3 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/day13.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for i in 0..3 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day04.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut digits: Vec<u32> = num.to_string().chars().map(|d| d.to_digit(10).unwrap()).collect();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day13.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut img = ImageBuffer::from_fn(44 * 7, 25 * 7, |x, y| {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day07.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut phase_settings = vec![5, 6, 7, 8, 9];
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_tiles`
[INFO] [stderr]   --> src/bin/day13.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn draw_tiles(contents: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day07.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     mut phase_setting_fed: &mut bool,
[INFO] [stderr]     |     ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `advent-of-code`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]  --> src/bin/day10.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::debug;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/bin/day03.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 | /     (manhattan_distance(&intersection, &line1.point1) +
[INFO] [stderr] 174 | |         manhattan_distance(&intersection, &line1.point2) ==
[INFO] [stderr] 175 | |         manhattan_distance(&line1.point1, &line1.point2))
[INFO] [stderr]     | |_________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 173 |     manhattan_distance(&intersection, &line1.point1) +
[INFO] [stderr] 174 |         manhattan_distance(&intersection, &line1.point2) ==
[INFO] [stderr] 175 |         manhattan_distance(&line1.point1, &line1.point2)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day10.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     mut visible_asteroid_positions: &mut Vec<Point>,
[INFO] [stderr]     |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEBUG`
[INFO] [stderr]  --> src/bin/day10.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | static DEBUG: bool = true;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::real::Real`
[INFO] [stderr]  --> src/bin/day03.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEBUG_SHOW_INPUT_OUTPUT`
[INFO] [stderr]  --> src/intcode.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DEBUG_SHOW_INPUT_OUTPUT: bool = false;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intcode_memory`
[INFO] [stderr]    --> src/intcode.rs:308:12
[INFO] [stderr]     |
[INFO] [stderr] 308 |     pub fn intcode_memory(program: &str, input: Option<i64>) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cb219a58330e9678f7b88545c865bd05a90b7b7e3e8a8843c8250c1896921b2d"`
[INFO] running `"docker" "rm" "-f" "cb219a58330e9678f7b88545c865bd05a90b7b7e3e8a8843c8250c1896921b2d"`
[INFO] [stdout] cb219a58330e9678f7b88545c865bd05a90b7b7e3e8a8843c8250c1896921b2d