[INFO] cloning repository https://github.com/mdietrichstein/adventofcode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdietrichstein/adventofcode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Fadventofcode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Fadventofcode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23a7aa1137c980ddc87362d18803cd05f1d8f990
[INFO] checking mdietrichstein/adventofcode2021 against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Fadventofcode2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdietrichstein/adventofcode2021 on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdietrichstein/adventofcode2021
[INFO] finished tweaking git repo https://github.com/mdietrichstein/adventofcode2021
[INFO] tweaked toml for git repo https://github.com/mdietrichstein/adventofcode2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mdietrichstein/adventofcode2021 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" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v1.0.3
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6952d3beecf0b678a1d8f4560041316ad3e46940a862f977ae9e3a9827326aa6
[INFO] running `Command { std: "docker" "start" "-a" "6952d3beecf0b678a1d8f4560041316ad3e46940a862f977ae9e3a9827326aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6952d3beecf0b678a1d8f4560041316ad3e46940a862f977ae9e3a9827326aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6952d3beecf0b678a1d8f4560041316ad3e46940a862f977ae9e3a9827326aa6", kill_on_drop: false }`
[INFO] [stdout] 6952d3beecf0b678a1d8f4560041316ad3e46940a862f977ae9e3a9827326aa6
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e97ae65154bb085cf2c9ebe0bcb539c37417da7744c56353ba4f1aca98df8a4
[INFO] running `Command { std: "docker" "start" "-a" "4e97ae65154bb085cf2c9ebe0bcb539c37417da7744c56353ba4f1aca98df8a4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]     Checking day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]     Checking day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> day18/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let input = include_str!("../resources/input");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day11/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `neighborhood_iter` is never used
[INFO] [stdout]   --> day11/src/map.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Map {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day11/src/map.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 165 |     #[inline]
[INFO] [stdout] 166 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day11/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `neighborhood_iter` is never used
[INFO] [stdout]   --> day11/src/map.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Map {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day11/src/map.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 165 |     #[inline]
[INFO] [stdout] 166 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]   --> day15/src/main.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     let priority = new_cost + map.manhattan_distance(goal, index).unwrap() as i64;
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> day15/src/main.rs:67:50
[INFO] [stdout]    |
[INFO] [stdout] 67 |             .into_iter().enumerate().filter(|(i, position)| {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day15/src/main.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |         }).map(|(i, position)| position).collect();
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day15/src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut parent = came_from[&current_position];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> day16/src/main.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Packet::LiteralPacket { version, value } => *version as usize,
[INFO] [stdout]     |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operation`
[INFO] [stdout]    --> day16/src/main.rs:149:43
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...   Packet::OperatorPacket { version, operation, packets } => (*version as usize) + packets.iter().map(sum_version_numbers).sum::<usize...
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `operation: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:161:33
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Packet::LiteralPacket { version, value } => *value,
[INFO] [stdout]     |                                 ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:175:34
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:184:34
[INFO] [stdout]     |
[INFO] [stdout] 184 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:193:34
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day15/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `data`, `sliced_map`, and `neighborhood_iter` are never used
[INFO] [stdout]   --> day15/src/map.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Map {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn data(&self) -> &Vec<u64> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn sliced_map(&self, top: usize, left: usize, num_rows: usize, num_columns: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day15/src/map.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 213 |     #[inline]
[INFO] [stdout] 214 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_binary` is never used
[INFO] [stdout]    --> day16/src/bits.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn print_binary(input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]   --> day15/src/main.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     let priority = new_cost + map.manhattan_distance(goal, index).unwrap() as i64;
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> day15/src/main.rs:67:50
[INFO] [stdout]    |
[INFO] [stdout] 67 |             .into_iter().enumerate().filter(|(i, position)| {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day15/src/main.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |         }).map(|(i, position)| position).collect();
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let a = (location - 1 - x);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     let a = (location - 1 - x);
[INFO] [stdout] 67 +                     let a = location - 1 - x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let b = (location + 1 + x);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -                     let b = (location + 1 + x);
[INFO] [stdout] 68 +                     let b = location + 1 + x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     let a = (location - 1 - y);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                     let a = (location - 1 - y);
[INFO] [stdout] 84 +                     let a = location - 1 - y;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let b = (location + 1 + y);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -                     let b = (location + 1 + y);
[INFO] [stdout] 85 +                     let b = location + 1 + y;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day15/src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut parent = came_from[&current_position];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day15/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `data`, `sliced_map`, and `neighborhood_iter` are never used
[INFO] [stdout]   --> day15/src/map.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Map {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn data(&self) -> &Vec<u64> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn sliced_map(&self, top: usize, left: usize, num_rows: usize, num_columns: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day15/src/map.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 213 |     #[inline]
[INFO] [stdout] 214 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let a = (location - 1 - x);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     let a = (location - 1 - x);
[INFO] [stdout] 67 +                     let a = location - 1 - x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let b = (location + 1 + x);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -                     let b = (location + 1 + x);
[INFO] [stdout] 68 +                     let b = location + 1 + x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     let a = (location - 1 - y);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                     let a = (location - 1 - y);
[INFO] [stdout] 84 +                     let a = location - 1 - y;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day13/src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let b = (location + 1 + y);
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -                     let b = (location + 1 + y);
[INFO] [stdout] 85 +                     let b = location + 1 + y;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> day14/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> day14/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> day13/src/main.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let num_rows = *coordinates.iter().map(|(x, y)| y).max().unwrap() + 1;
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> day13/src/main.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let num_columns = *coordinates.iter().map(|(x, y)| x).max().unwrap() + 1;
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day13/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `neighborhood_iter`, `neighborhood_positions`, and `len` are never used
[INFO] [stdout]    --> day13/src/map.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl Map {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 18  |     pub fn new(input: &str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn neighborhood_positions(&self, index: usize) -> Option<[Option<usize>; 9]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day13/src/map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 203 |     #[inline]
[INFO] [stdout] 204 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> day14/src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for step in 0..num_steps {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> day16/src/main.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |         Packet::LiteralPacket { version, value } => *version as usize,
[INFO] [stdout]     |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> day14/src/main.rs:86:54
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let char_count_values = char_counts.iter().map(|(k, v)| *v).collect::<Vec<_>>();
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operation`
[INFO] [stdout]    --> day16/src/main.rs:149:43
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...   Packet::OperatorPacket { version, operation, packets } => (*version as usize) + packets.iter().map(sum_version_numbers).sum::<usize...
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `operation: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> day18/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let input = include_str!("../resources/input");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_string` is never used
[INFO] [stdout]   --> day14/src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn to_string(word: &Vec<char>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:161:33
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Packet::LiteralPacket { version, value } => *value,
[INFO] [stdout]     |                                 ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:175:34
[INFO] [stdout]     |
[INFO] [stdout] 175 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:184:34
[INFO] [stdout]     |
[INFO] [stdout] 184 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> day16/src/main.rs:193:34
[INFO] [stdout]     |
[INFO] [stdout] 193 |         Packet::OperatorPacket { version, operation, packets }
[INFO] [stdout]     |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_binary` is never used
[INFO] [stdout]    --> day16/src/bits.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn print_binary(input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> day14/src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for step in 0..num_steps {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> day14/src/main.rs:86:54
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let char_count_values = char_counts.iter().map(|(k, v)| *v).collect::<Vec<_>>();
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_word`
[INFO] [stdout]    --> day14/src/main.rs:123:14
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let (start_word, rules) = parse_instructions(TEST_DATA);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]    --> day14/src/main.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let (start_word, rules) = parse_instructions(TEST_DATA);
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_word`
[INFO] [stdout]    --> day14/src/main.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let (start_word, rules) = parse_instructions(TEST_DATA);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]    --> day14/src/main.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let (start_word, rules) = parse_instructions(TEST_DATA);
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_string` is never used
[INFO] [stdout]   --> day14/src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn to_string(word: &Vec<char>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> day13/src/main.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let num_rows = *coordinates.iter().map(|(x, y)| y).max().unwrap() + 1;
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> day13/src/main.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let num_columns = *coordinates.iter().map(|(x, y)| x).max().unwrap() + 1;
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `center` is never used
[INFO] [stdout]  --> day13/src/map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Center {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 8 |     fn center(&self) -> Option<u64>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `neighborhood_iter`, `neighborhood_positions`, and `len` are never used
[INFO] [stdout]    --> day13/src/map.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl Map {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 18  |     pub fn new(input: &str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn neighborhood_iter(&self) -> NeighborhoodIterator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn neighborhood_positions(&self, index: usize) -> Option<[Option<usize>; 9]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_position` is never used
[INFO] [stdout]    --> day13/src/map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | impl<'a> NeighborhoodIterator<'a> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 203 |     #[inline]
[INFO] [stdout] 204 |     fn current_position(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stdout] error[E0425]: cannot find value `test_input` in this scope
[INFO] [stdout]   --> day01/src/main.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     const TEST_INPUT: &str = indoc! {"
[INFO] [stdout]    |     ------------------------------- similarly named constant `TEST_INPUT` defined here
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let measurements: Vec<i64> = parse_measurements(test_input).unwrap();
[INFO] [stdout]    |                                                         ^^^^^^^^^^ help: a constant with a similar name exists: `TEST_INPUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `test_input` in this scope
[INFO] [stdout]   --> day01/src/main.rs:63:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     const TEST_INPUT: &str = indoc! {"
[INFO] [stdout]    |     ------------------------------- similarly named constant `TEST_INPUT` defined here
[INFO] [stdout] ...
[INFO] [stdout] 63 |         let measurements: Vec<i64> = parse_measurements(test_input).unwrap();
[INFO] [stdout]    |                                                         ^^^^^^^^^^ help: a constant with a similar name exists: `TEST_INPUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> day04/src/board.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .filter(|(i, value)| !self.matches.contains(i))
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day04/src/board.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map(|(i, value)| value)
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> day04/src/board.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .filter(|(i, value)| !self.matches.contains(i))
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day04/src/board.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map(|(i, value)| value)
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day01` (bin "day01" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e97ae65154bb085cf2c9ebe0bcb539c37417da7744c56353ba4f1aca98df8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e97ae65154bb085cf2c9ebe0bcb539c37417da7744c56353ba4f1aca98df8a4", kill_on_drop: false }`
[INFO] [stdout] 4e97ae65154bb085cf2c9ebe0bcb539c37417da7744c56353ba4f1aca98df8a4