[INFO] cloning repository https://github.com/ghmulti/adventofcode2023-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghmulti/adventofcode2023-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghmulti%2Fadventofcode2023-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghmulti%2Fadventofcode2023-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41768ad433e3f5a18336f302b7e64ed23edbc956
[INFO] testing ghmulti/adventofcode2023-rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghmulti%2Fadventofcode2023-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ghmulti/adventofcode2023-rust
[INFO] finished tweaking git repo https://github.com/ghmulti/adventofcode2023-rust
[INFO] tweaked toml for git repo https://github.com/ghmulti/adventofcode2023-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ghmulti/adventofcode2023-rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ghmulti/adventofcode2023-rust 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.3.2
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded deprecate-until v0.1.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.70
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded pathfinding v4.6.0
[INFO] [stderr]   Downloaded syn v2.0.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f348313c223d340eb5deb07cf6e9ec4f020b2da90ae5f637330b42f11adb9c
[INFO] running `Command { std: "docker" "start" "-a" "c7f348313c223d340eb5deb07cf6e9ec4f020b2da90ae5f637330b42f11adb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f348313c223d340eb5deb07cf6e9ec4f020b2da90ae5f637330b42f11adb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f348313c223d340eb5deb07cf6e9ec4f020b2da90ae5f637330b42f11adb9c", kill_on_drop: false }`
[INFO] [stdout] c7f348313c223d340eb5deb07cf6e9ec4f020b2da90ae5f637330b42f11adb9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a476aef6186d23458810cb2b1cebfe1d4d2a7e9a6269b00d489d5ca8d4d138
[INFO] running `Command { std: "docker" "start" "-a" "21a476aef6186d23458810cb2b1cebfe1d4d2a7e9a6269b00d489d5ca8d4d138", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling priority-queue v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling pathfinding v4.6.0
[INFO] [stderr]    Compiling adventofcode2023-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/day21.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut result = module.relay(&source, signal.clone());
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn relay(&mut self, from: &String, signal: u8) ->  Option<(u8, Vec<String>)> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn relay(&mut self, from: &String, signal: u8) -> Option<(u8, Vec<String>)> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/day21.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for index in 0..steps {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_x`
[INFO] [stdout]    --> src/day21.rs:134:26
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_y`
[INFO] [stdout]    --> src/day21.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `init` is never read
[INFO] [stdout]    --> src/day20.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | struct FlipFlopModule {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     init: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlipFlopModule` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize` is never used
[INFO] [stdout]    --> src/day21.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn visualize(elements: &HashSet<(usize, usize)>, map: &Vec<Vec<char>>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_map` is never used
[INFO] [stdout]    --> src/day21.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn format_map(lines: Vec<&str>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_proj` is never used
[INFO] [stdout]    --> src/day22.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn visualize_proj(blocks: &Vec<[RangeInclusive<usize>; 3]>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.19s
[INFO] running `Command { std: "docker" "inspect" "21a476aef6186d23458810cb2b1cebfe1d4d2a7e9a6269b00d489d5ca8d4d138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a476aef6186d23458810cb2b1cebfe1d4d2a7e9a6269b00d489d5ca8d4d138", kill_on_drop: false }`
[INFO] [stdout] 21a476aef6186d23458810cb2b1cebfe1d4d2a7e9a6269b00d489d5ca8d4d138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 682dbcdbc38d5473599795da551fee7caafa392a612e7a6796784ebbd94a7225
[INFO] running `Command { std: "docker" "start" "-a" "682dbcdbc38d5473599795da551fee7caafa392a612e7a6796784ebbd94a7225", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode2023-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/day21.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut result = module.relay(&source, signal.clone());
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn relay(&mut self, from: &String, signal: u8) ->  Option<(u8, Vec<String>)> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn relay(&mut self, from: &String, signal: u8) -> Option<(u8, Vec<String>)> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/day21.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for index in 0..steps {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_x`
[INFO] [stdout]    --> src/day21.rs:134:26
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_y`
[INFO] [stdout]    --> src/day21.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `init` is never read
[INFO] [stdout]    --> src/day20.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | struct FlipFlopModule {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     init: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlipFlopModule` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize` is never used
[INFO] [stdout]    --> src/day21.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn visualize(elements: &HashSet<(usize, usize)>, map: &Vec<Vec<char>>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_map` is never used
[INFO] [stdout]    --> src/day21.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn format_map(lines: Vec<&str>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_proj` is never used
[INFO] [stdout]    --> src/day22.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn visualize_proj(blocks: &Vec<[RangeInclusive<usize>; 3]>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "682dbcdbc38d5473599795da551fee7caafa392a612e7a6796784ebbd94a7225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682dbcdbc38d5473599795da551fee7caafa392a612e7a6796784ebbd94a7225", kill_on_drop: false }`
[INFO] [stdout] 682dbcdbc38d5473599795da551fee7caafa392a612e7a6796784ebbd94a7225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3e7179de07cfb57bc4cc163a1140da8dafcbb195001704ef854d8f11fdf9b10
[INFO] running `Command { std: "docker" "start" "-a" "c3e7179de07cfb57bc4cc163a1140da8dafcbb195001704ef854d8f11fdf9b10", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/day21.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day20.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |             let mut result = module.relay(&source, signal.clone());
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/day20.rs:139:25
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn relay(&mut self, from: &String, signal: u8) ->  Option<(u8, Vec<String>)> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test day04::tests::parse_line_check ... ok
[INFO] [stdout] test day05::tests::check_find_in_mapping ... ok
[INFO] [stdout] test day22::tests::check_range_intersects ... ok
[INFO] [stdout] test day06::tests::check_combinations ... ok
[INFO] [stdout] test day07::tests::check ... ok
[INFO] [stdout] test day08::tests::check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/day20.rs:166:25
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn relay(&mut self, from: &String, signal: u8) -> Option<(u8, Vec<String>)> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/day21.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     for index in 0..steps {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tile_x`
[INFO] [stderr]    --> src/day21.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stderr]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tile_y`
[INFO] [stderr]    --> src/day21.rs:134:34
[INFO] [stderr]     |
[INFO] [stderr] 134 |         .filter(|&(x, y, tile_x, tile_y)| {
[INFO] [stderr]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_y`
[INFO] [stderr] 
[INFO] [stderr] warning: field `init` is never read
[INFO] [stderr]    --> src/day20.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 158 | struct FlipFlopModule {
[INFO] [stderr]     |        -------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 162 |     init: bool,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FlipFlopModule` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `visualize` is never used
[INFO] [stderr]    --> src/day21.rs:142:4
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn visualize(elements: &HashSet<(usize, usize)>, map: &Vec<Vec<char>>) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `format_map` is never used
[INFO] [stderr]    --> src/day21.rs:156:4
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn format_map(lines: Vec<&str>) -> Vec<Vec<char>> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `visualize_proj` is never used
[INFO] [stderr]    --> src/day22.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn visualize_proj(blocks: &Vec<[RangeInclusive<usize>; 3]>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode2023-rust` (bin "adventofcode2023-rust" test) generated 11 warnings (run `cargo fix --bin "adventofcode2023-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/adventofcode2023_rust-9d4319e0f4e60b11)
[INFO] running `Command { std: "docker" "inspect" "c3e7179de07cfb57bc4cc163a1140da8dafcbb195001704ef854d8f11fdf9b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e7179de07cfb57bc4cc163a1140da8dafcbb195001704ef854d8f11fdf9b10", kill_on_drop: false }`
[INFO] [stdout] c3e7179de07cfb57bc4cc163a1140da8dafcbb195001704ef854d8f11fdf9b10