[INFO] cloning repository https://github.com/luismeyer95/advent-of-code-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luismeyer95/advent-of-code-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluismeyer95%2Fadvent-of-code-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluismeyer95%2Fadvent-of-code-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faa442f959d1802f5e212a53ccd9303f8d44eb2e
[INFO] checking luismeyer95/advent-of-code-2024 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluismeyer95%2Fadvent-of-code-2024" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/luismeyer95/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/luismeyer95/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/luismeyer95/advent-of-code-2024 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luismeyer95/advent-of-code-2024 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luismeyer95/advent-of-code-2024 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c06bc15b5f8353350b38336caae3c94bd8cb100b8e80a9230164ca3b7f8363b9
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[INFO] running `Command { std: "docker" "inspect" "c06bc15b5f8353350b38336caae3c94bd8cb100b8e80a9230164ca3b7f8363b9", kill_on_drop: false }`
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[INFO] [stdout] c06bc15b5f8353350b38336caae3c94bd8cb100b8e80a9230164ca3b7f8363b9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1dc2ccf37b26bd9e37d14d36200ddfbcf68f2231018c0d15e3b7e416291d0
[INFO] running `Command { std: "docker" "start" "-a" "3ce1dc2ccf37b26bd9e37d14d36200ddfbcf68f2231018c0d15e3b7e416291d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d1/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d10/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d11/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d12/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d2/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chain`
[INFO] [stdout]  --> src/d3/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d3/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chain`
[INFO] [stdout]  --> src/d4/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d4/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d5/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d6/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d7/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d8/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d9/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d1/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d10/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d11/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d12/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d2/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chain`
[INFO] [stdout]  --> src/d3/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d3/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chain`
[INFO] [stdout]  --> src/d4/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d4/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d5/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d6/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d7/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main::solution1`
[INFO] [stdout]  --> src/d8/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::solution1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `solution1` and `solution2`
[INFO] [stdout]  --> src/d9/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use main::{solution1, solution2};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Itertools`
[INFO] [stdout]  --> src/d3/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/d2/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for (i, (a, b)) in nums.iter().tuple_windows().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d4/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/d4/main.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn solution2(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |                  ----^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d6/main.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |                  ----^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d1/alt.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[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 `solution2` is never used
[INFO] [stdout]   --> src/d1/alt.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d1/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d1/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d10/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d10/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d11/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d11/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d12/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search_regions_and_perimeters` is never used
[INFO] [stdout]   --> src/d12/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn search_regions_and_perimeters(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_level` is never used
[INFO] [stdout]  --> src/d2/alt.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn is_valid_level(nums: &[isize]) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d2/alt.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d2/alt.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_level` is never used
[INFO] [stdout]  --> src/d2/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn is_valid_level(nums: &[isize]) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_level_2` is never used
[INFO] [stdout]   --> src/d2/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_valid_level_2(nums: &[isize]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d2/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d2/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d3/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d3/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_matches` is never used
[INFO] [stdout]  --> src/d4/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn count_matches(text: &str, pattern: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d4/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d4/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn solution2(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d5/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d5/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn solution2(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `topological_sort` is never used
[INFO] [stdout]   --> src/d5/main.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn topological_sort(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]    --> src/d5/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn is_valid(nums: &[u32], incoming: &HashMap<u32, HashSet<u32>>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_dependency_maps` is never used
[INFO] [stdout]    --> src/d5/main.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn build_dependency_maps(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `turn_right` is never used
[INFO] [stdout]   --> src/d6/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn turn_right(dir: (i32, i32)) -> (i32, i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resolve_dir` is never used
[INFO] [stdout]   --> src/d6/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn resolve_dir(ch: u8) -> Option<(i32, i32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d6/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d6/main.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d7/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<u64, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d7/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<u64, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]   --> src/d8/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d8/main.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d9/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution2` is never used
[INFO] [stdout]   --> src/d9/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_lines` is never used
[INFO] [stdout]  --> src/utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_lines() -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/utils.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse_line() -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_lines` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn parse_file_lines(filename: impl AsRef<Path>) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_line_iter` is never used
[INFO] [stdout]   --> src/utils.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn string_line_iter(s: &str) -> impl Iterator<Item = String> + '_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Itertools`
[INFO] [stdout]  --> src/d3/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::{chain, Itertools};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/d2/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for (i, (a, b)) in nums.iter().tuple_windows().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d4/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/d4/main.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn solution2(mut line_iter: impl Iterator<Item = String>) -> Result<u32, Box<dyn Error>> {
[INFO] [stdout]    |                  ----^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d6/main.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solution1(mut line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |                  ----^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution1` is never used
[INFO] [stdout]  --> src/d11/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solution1(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[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 `solution2` is never used
[INFO] [stdout]   --> src/d11/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn solution2(line_iter: impl Iterator<Item = String>) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_matches` is never used
[INFO] [stdout]  --> src/d4/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn count_matches(text: &str, pattern: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_lines` is never used
[INFO] [stdout]  --> src/utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_lines() -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/utils.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse_line() -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_lines` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn parse_file_lines(filename: impl AsRef<Path>) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_line_iter` is never used
[INFO] [stdout]   --> src/utils.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn string_line_iter(s: &str) -> impl Iterator<Item = String> + '_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.43s
[INFO] running `Command { std: "docker" "inspect" "3ce1dc2ccf37b26bd9e37d14d36200ddfbcf68f2231018c0d15e3b7e416291d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1dc2ccf37b26bd9e37d14d36200ddfbcf68f2231018c0d15e3b7e416291d0", kill_on_drop: false }`
[INFO] [stdout] 3ce1dc2ccf37b26bd9e37d14d36200ddfbcf68f2231018c0d15e3b7e416291d0
