[INFO] cloning repository https://github.com/samiskin/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samiskin/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamiskin%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamiskin%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cafba7475c1d047083870140b46491df395054f1
[INFO] checking samiskin/advent-of-code-2021 against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamiskin%2Fadvent-of-code-2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samiskin/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/samiskin/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/samiskin/advent-of-code-2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samiskin/advent-of-code-2021 on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samiskin/advent-of-code-2021 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "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 samiskin/advent-of-code-2021 against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamiskin%2Fadvent-of-code-2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samiskin/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/samiskin/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/samiskin/advent-of-code-2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samiskin/advent-of-code-2021 on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samiskin/advent-of-code-2021 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fb6f309f74ff282c6d4ed4c489284445d2470a557cdff912bcea148cfd61022
[INFO] running `Command { std: "docker" "start" "-a" "9fb6f309f74ff282c6d4ed4c489284445d2470a557cdff912bcea148cfd61022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fb6f309f74ff282c6d4ed4c489284445d2470a557cdff912bcea148cfd61022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb6f309f74ff282c6d4ed4c489284445d2470a557cdff912bcea148cfd61022", kill_on_drop: false }`
[INFO] [stdout] 9fb6f309f74ff282c6d4ed4c489284445d2470a557cdff912bcea148cfd61022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c9f7f8154b92f26d1c84df2c800ec78ab77abe1f542c8b40e280858610b8fd4
[INFO] running `Command { std: "docker" "start" "-a" "9c9f7f8154b92f26d1c84df2c800ec78ab77abe1f542c8b40e280858610b8fd4", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_vec_multiline` is never used
[INFO] [stdout]   --> src/utils.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn print_vec_multiline<T>(v: &Vec<T>) where T: std::fmt::Debug {
[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 `vec_to_str_multiline` is never used
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn vec_to_str_multiline<T>(v: &Vec<T>) -> String where T: std::fmt::Debug {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_vec_to_num` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn bit_vec_to_num<'a>(bitvec: &'a [u8]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point3` is never constructed
[INFO] [stdout]   --> src/utils.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Point3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_arr`, `sub`, `add`, and `manhattan` are never used
[INFO] [stdout]    --> src/utils.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Point3 {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  92 |     pub fn to_arr(&self) -> [i32; 3] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn sub(&self, rhs: &Point3) -> Point3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn add(&self, rhs: &Point3) -> Point3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn manhattan(&self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_point` is never used
[INFO] [stdout]    --> src/utils.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn transform_point(p: Point3, mat: [[i32; 3]; 3]) -> Point3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Matrix` is never used
[INFO] [stdout]    --> src/utils.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub type Matrix = [[i32; 3]; 3];
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_transpose` is never used
[INFO] [stdout]    --> src/utils.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn mat_transpose(mat: Matrix) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_dot` is never used
[INFO] [stdout]    --> src/utils.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn vec_dot(a: [i32; 3], b: [i32; 3]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_mul` is never used
[INFO] [stdout]    --> src/utils.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn mat_mul(a: Matrix, b_orig: Matrix) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_pow` is never used
[INFO] [stdout]    --> src/utils.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn mat_pow(a: Matrix, n: usize) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ID_MAT` is never used
[INFO] [stdout]    --> src/utils.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub static ID_MAT: Matrix = [[1, 0, 0], [0, 1, 0], [0, 0, 1]];
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_X` is never used
[INFO] [stdout]    --> src/utils.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub static ROT_90_X: Matrix = [[1, 0, 0], [0, 0, -1], [0, 1, 0]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_Y` is never used
[INFO] [stdout]    --> src/utils.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub static ROT_90_Y: Matrix = [[0, 0, 1], [0, 1, 0], [-1, 0, 0]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_Z` is never used
[INFO] [stdout]    --> src/utils.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub static ROT_90_Z: Matrix = [[0, -1, 0], [1, 0, 0], [0, 0, 1]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PqState` is never constructed
[INFO] [stdout]    --> src/utils.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct PqState<T>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shortest_path_grid` is never used
[INFO] [stdout]    --> src/utils.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub fn get_shortest_path_grid<T: Add<Output = T>>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_points` and `set_all` are never used
[INFO] [stdout]    --> src/utils.rs:292:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | / impl<T> Grid<T>
[INFO] [stdout] 289 | | where
[INFO] [stdout] 290 | |     T: Copy,
[INFO] [stdout]     | |____________- associated items in this implementation
[INFO] [stdout] 291 |   {
[INFO] [stdout] 292 |       pub fn from_points(points: Vec<((i32, i32), T)>, default: T) -> Grid<T> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |       pub fn set_all(&mut self, val: T) {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rotated` is never used
[INFO] [stdout]    --> src/utils.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | / impl<T> Grid<T>
[INFO] [stdout] 319 | | where
[INFO] [stdout] 320 | |     T: Default + Copy,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] 321 |   {
[INFO] [stdout] 322 |       pub fn rotated(&self) -> Grid<T> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryStreamIterator` is never constructed
[INFO] [stdout]    --> src/utils.rs:506:12
[INFO] [stdout]     |
[INFO] [stdout] 506 | pub struct BinaryStreamIterator<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `take`, and `next` are never used
[INFO] [stdout]    --> src/utils.rs:512:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | impl<'a> BinaryStreamIterator<'a> {
[INFO] [stdout]     | --------------------------------- associated items in this implementation
[INFO] [stdout] 512 |     pub fn new(digits: &'a Vec<u8>) -> BinaryStreamIterator<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 |     pub fn take(&mut self, num_digits: usize) -> &[u8] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 522 |     pub fn next(&mut self) -> u8 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_vec_multiline` is never used
[INFO] [stdout]   --> src/utils.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn print_vec_multiline<T>(v: &Vec<T>) where T: std::fmt::Debug {
[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 `vec_to_str_multiline` is never used
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn vec_to_str_multiline<T>(v: &Vec<T>) -> String where T: std::fmt::Debug {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_vec_to_num` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn bit_vec_to_num<'a>(bitvec: &'a [u8]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point3` is never constructed
[INFO] [stdout]   --> src/utils.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Point3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_arr`, `sub`, `add`, and `manhattan` are never used
[INFO] [stdout]    --> src/utils.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Point3 {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  92 |     pub fn to_arr(&self) -> [i32; 3] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn sub(&self, rhs: &Point3) -> Point3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn add(&self, rhs: &Point3) -> Point3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn manhattan(&self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_point` is never used
[INFO] [stdout]    --> src/utils.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn transform_point(p: Point3, mat: [[i32; 3]; 3]) -> Point3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Matrix` is never used
[INFO] [stdout]    --> src/utils.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub type Matrix = [[i32; 3]; 3];
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_transpose` is never used
[INFO] [stdout]    --> src/utils.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn mat_transpose(mat: Matrix) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_dot` is never used
[INFO] [stdout]    --> src/utils.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn vec_dot(a: [i32; 3], b: [i32; 3]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_mul` is never used
[INFO] [stdout]    --> src/utils.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn mat_mul(a: Matrix, b_orig: Matrix) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mat_pow` is never used
[INFO] [stdout]    --> src/utils.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn mat_pow(a: Matrix, n: usize) -> Matrix {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ID_MAT` is never used
[INFO] [stdout]    --> src/utils.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub static ID_MAT: Matrix = [[1, 0, 0], [0, 1, 0], [0, 0, 1]];
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_X` is never used
[INFO] [stdout]    --> src/utils.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub static ROT_90_X: Matrix = [[1, 0, 0], [0, 0, -1], [0, 1, 0]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_Y` is never used
[INFO] [stdout]    --> src/utils.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub static ROT_90_Y: Matrix = [[0, 0, 1], [0, 1, 0], [-1, 0, 0]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROT_90_Z` is never used
[INFO] [stdout]    --> src/utils.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub static ROT_90_Z: Matrix = [[0, -1, 0], [1, 0, 0], [0, 0, 1]];
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PqState` is never constructed
[INFO] [stdout]    --> src/utils.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct PqState<T>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shortest_path_grid` is never used
[INFO] [stdout]    --> src/utils.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub fn get_shortest_path_grid<T: Add<Output = T>>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_points` and `set_all` are never used
[INFO] [stdout]    --> src/utils.rs:292:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | / impl<T> Grid<T>
[INFO] [stdout] 289 | | where
[INFO] [stdout] 290 | |     T: Copy,
[INFO] [stdout]     | |____________- associated items in this implementation
[INFO] [stdout] 291 |   {
[INFO] [stdout] 292 |       pub fn from_points(points: Vec<((i32, i32), T)>, default: T) -> Grid<T> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |       pub fn set_all(&mut self, val: T) {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rotated` is never used
[INFO] [stdout]    --> src/utils.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | / impl<T> Grid<T>
[INFO] [stdout] 319 | | where
[INFO] [stdout] 320 | |     T: Default + Copy,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] 321 |   {
[INFO] [stdout] 322 |       pub fn rotated(&self) -> Grid<T> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryStreamIterator` is never constructed
[INFO] [stdout]    --> src/utils.rs:506:12
[INFO] [stdout]     |
[INFO] [stdout] 506 | pub struct BinaryStreamIterator<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `take`, and `next` are never used
[INFO] [stdout]    --> src/utils.rs:512:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | impl<'a> BinaryStreamIterator<'a> {
[INFO] [stdout]     | --------------------------------- associated items in this implementation
[INFO] [stdout] 512 |     pub fn new(digits: &'a Vec<u8>) -> BinaryStreamIterator<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 |     pub fn take(&mut self, num_digits: usize) -> &[u8] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 522 |     pub fn next(&mut self) -> u8 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9c9f7f8154b92f26d1c84df2c800ec78ab77abe1f542c8b40e280858610b8fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9f7f8154b92f26d1c84df2c800ec78ab77abe1f542c8b40e280858610b8fd4", kill_on_drop: false }`
[INFO] [stdout] 9c9f7f8154b92f26d1c84df2c800ec78ab77abe1f542c8b40e280858610b8fd4