[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 try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanthoshselvan%2Fadvent-of-code" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/santhoshselvan/advent-of-code on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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-12/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 7f3f831cee3401f8617661796f9bc5cd24b9c1f7713a505fe6f5a58bd3b8deab [INFO] running `"docker" "start" "-a" "7f3f831cee3401f8617661796f9bc5cd24b9c1f7713a505fe6f5a58bd3b8deab"` [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Checking queues v1.1.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking num-complex v0.2.3 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking num-rational v0.2.2 [INFO] [stderr] Checking rayon-core v1.6.1 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking permutator v0.3.3 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking failure v0.1.6 [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `advent_of_code` [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod intcode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ consider adding a `main` function to `src/main.rs` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::Lines` [INFO] [stderr] --> src/bin/day09.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: 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: `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: 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] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/bin/day12.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `permutator::Permutation` [INFO] [stderr] --> src/bin/day12.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use permutator::Permutation; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/bin/day12.rs:3:19 [INFO] [stderr] | [INFO] [stderr] 3 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::real::Real` [INFO] [stderr] --> src/bin/day12.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use num_traits::real::Real; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [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 variable: `i` [INFO] [stderr] --> src/bin/day13.rs:28:13 [INFO] [stderr] | [INFO] [stderr] 28 | for i in 0..3 { [INFO] [stderr] | ^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [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] 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: 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: unused variable: `i` [INFO] [stderr] --> src/bin/day12.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | for i in 0..times { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `initial_moon_position` [INFO] [stderr] --> src/bin/day12.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let initial_moon_position = moons.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_moon_position` [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: 8 warnings emitted [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_distance1` [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: 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 import: `std::str::Lines` [INFO] [stderr] --> src/bin/day15.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: `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: 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, [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: `intcode_memory` [INFO] [stderr] --> src/intcode.rs:308:12 [INFO] [stderr] | [INFO] [stderr] 308 | pub fn intcode_memory(program: &str, input: Option) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^ [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 imports: `Write`, `stdout` [INFO] [stderr] --> src/bin/day15.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{stdout, Write}; [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `RgbImage` [INFO] [stderr] --> src/bin/day15.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hash::Hash` [INFO] [stderr] --> src/bin/day15.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::hash::Hash; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> src/bin/day08.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | width: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> src/bin/day08.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | height: usize, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day08.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | write!(f, "{}", x.to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [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: 2 warnings emitted [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 = 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: 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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/day15.rs:227:5 [INFO] [stderr] | [INFO] [stderr] 223 | / return Some((maze_block.last_visited_from.unwrap(), [INFO] [stderr] 224 | | get_opposition_direction(maze_block.last_visited_from_direction.unwrap()), [INFO] [stderr] 225 | | true)); [INFO] [stderr] | |___________________________- any code following this expression is unreachable [INFO] [stderr] 226 | } [INFO] [stderr] 227 | 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: 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 [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) -> i64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day15.rs:202:5 [INFO] [stderr] | [INFO] [stderr] 202 | mut maze: &mut HashMap, [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/day15.rs:204:9 [INFO] [stderr] | [INFO] [stderr] 204 | let mut current_position = current_position; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `position` [INFO] [stderr] --> src/bin/day15.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | position: Position, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day15.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | queue.add(start); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/day15.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | queue.add(*neighbour); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [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] 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] running `"docker" "inspect" "7f3f831cee3401f8617661796f9bc5cd24b9c1f7713a505fe6f5a58bd3b8deab"` [INFO] running `"docker" "rm" "-f" "7f3f831cee3401f8617661796f9bc5cd24b9c1f7713a505fe6f5a58bd3b8deab"` [INFO] [stdout] 7f3f831cee3401f8617661796f9bc5cd24b9c1f7713a505fe6f5a58bd3b8deab