[INFO] cloning repository https://github.com/greedy/aoc2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greedy/aoc2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedy%2Faoc2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedy%2Faoc2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2455879a13f81fb11a0324a528b5e51f1844425
[INFO] documenting greedy/aoc2022 against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedy%2Faoc2022" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/greedy/aoc2022
[INFO] finished tweaking git repo https://github.com/greedy/aoc2022
[INFO] tweaked toml for git repo https://github.com/greedy/aoc2022 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/greedy/aoc2022 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/greedy/aoc2022 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 84a7566f497cb12d761bba19e86c2b96164c58c9608e0759a2972dc2bbe47322
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[INFO] [stderr]     Checking speedy2d v1.9.0
[INFO] [stderr]     Checking aoc2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nom::Finish`
[INFO] [stdout]    --> src/iterators.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         use nom::Finish;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]     --> src/grid.rs:431:59
[INFO] [stdout]      |
[INFO] [stdout]  431 |             r.iter().map(|c| f.write_char(c.cell_char())).try_collect()?;
[INFO] [stdout]      |                                                           ^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<Result<T, E>>` is conditionally implemented for `Result<V, E>`
[INFO] [stdout]     --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]      |
[INFO] [stdout]      = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[INFO] [stdout]      = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]      = help: you might have intended to use the type `()` here instead
[INFO] [stdout]      = note: required for `Result<!, std::fmt::Error>` to implement `FromIterator<Result<(), std::fmt::Error>>`
[INFO] [stdout] note: required by a bound in `itertools::Itertools::try_collect`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.10.5/src/lib.rs:2012:23
[INFO] [stdout]      |
[INFO] [stdout]  431 | pub trait Itertools : Iterator {
[INFO] [stdout] ...
[INFO] [stdout] 2009 |     fn try_collect<T, U, E>(self) -> Result<U, E>
[INFO] [stdout] ...
[INFO] [stdout] 2012 |         Result<U, E>: FromIterator<Result<T, E>>,
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Itertools::try_collect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2022` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "84a7566f497cb12d761bba19e86c2b96164c58c9608e0759a2972dc2bbe47322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a7566f497cb12d761bba19e86c2b96164c58c9608e0759a2972dc2bbe47322", kill_on_drop: false }`
[INFO] [stdout] 84a7566f497cb12d761bba19e86c2b96164c58c9608e0759a2972dc2bbe47322
