[INFO] cloning repository https://github.com/jchevertonwynne/advent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchevertonwynne/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Fadvent-of-code-2023", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca9f10b22bfb496ba7f1fca13fa1debe1a21658e
[INFO] checking jchevertonwynne/advent-of-code-2023 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Fadvent-of-code-2023" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchevertonwynne/advent-of-code-2023 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jchevertonwynne/advent-of-code-2023
[INFO] finished tweaking git repo https://github.com/jchevertonwynne/advent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/jchevertonwynne/advent-of-code-2023 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jchevertonwynne/advent-of-code-2023 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/days/day07.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/days/day21.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TryConvert` is never used
[INFO] [stdout]    --> src/lib.rs:177:7
[INFO] [stdout]     |
[INFO] [stdout] 177 | trait TryConvert {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CollectN` is never used
[INFO] [stdout]    --> src/lib.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 | trait CollectN<T>
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CollectError` is never constructed
[INFO] [stdout]    --> src/lib.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | struct CollectError {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Callable` is never used
[INFO] [stdout]    --> src/lib.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | trait Callable<T> {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pipe` is never used
[INFO] [stdout]    --> src/lib.rs:309:7
[INFO] [stdout]     |
[INFO] [stdout] 309 | trait Pipe: Sized {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/days/day07.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/days/day21.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TryConvert` is never used
[INFO] [stdout]    --> src/lib.rs:177:7
[INFO] [stdout]     |
[INFO] [stdout] 177 | trait TryConvert {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CollectN` is never used
[INFO] [stdout]    --> src/lib.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 | trait CollectN<T>
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CollectError` is never constructed
[INFO] [stdout]    --> src/lib.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | struct CollectError {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Callable` is never used
[INFO] [stdout]    --> src/lib.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | trait Callable<T> {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pipe` is never used
[INFO] [stdout]    --> src/lib.rs:309:7
[INFO] [stdout]     |
[INFO] [stdout] 309 | trait Pipe: Sized {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.33s
[INFO] running `Command { std: "docker" "inspect" "055f840705150bfd6a9747d389627875dc8c7fb27625cd7acd02c6b60989ddb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055f840705150bfd6a9747d389627875dc8c7fb27625cd7acd02c6b60989ddb7", kill_on_drop: false }`
[INFO] [stdout] 055f840705150bfd6a9747d389627875dc8c7fb27625cd7acd02c6b60989ddb7