[INFO] cloning repository https://github.com/ChristopherJMiller/advent-of-code-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherJMiller/advent-of-code-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fadvent-of-code-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fadvent-of-code-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bb418dbe53f195ece672565b07c3d45d52e1590
[INFO] documenting ChristopherJMiller/advent-of-code-2022 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fadvent-of-code-2022" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristopherJMiller/advent-of-code-2022 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ChristopherJMiller/advent-of-code-2022
[INFO] finished tweaking git repo https://github.com/ChristopherJMiller/advent-of-code-2022
[INFO] tweaked toml for git repo https://github.com/ChristopherJMiller/advent-of-code-2022 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristopherJMiller/advent-of-code-2022 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04ea4220f1b9e8ed43bfed080c7ec7d534dd30ca4a6b235cd0c3e71279cdcb29
[INFO] running `Command { std: "docker" "start" "-a" "04ea4220f1b9e8ed43bfed080c7ec7d534dd30ca4a6b235cd0c3e71279cdcb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ea4220f1b9e8ed43bfed080c7ec7d534dd30ca4a6b235cd0c3e71279cdcb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ea4220f1b9e8ed43bfed080c7ec7d534dd30ca4a6b235cd0c3e71279cdcb29", kill_on_drop: false }`
[INFO] [stdout] 04ea4220f1b9e8ed43bfed080c7ec7d534dd30ca4a6b235cd0c3e71279cdcb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b15fef4fe8a96acb143b2299cc96690dc023e609b8bd5add0cb28c8883844dd
[INFO] running `Command { std: "docker" "start" "-a" "6b15fef4fe8a96acb143b2299cc96690dc023e609b8bd5add0cb28c8883844dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking hashbrown v0.13.1
[INFO] [stderr]  Documenting advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `advent_of_code`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name advent_of_code src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=43a2c861d0fa86a6 -L dependency=/opt/rustwide/target/debug/deps --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-46023e24bbf677fd.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-900704033b235124.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6b15fef4fe8a96acb143b2299cc96690dc023e609b8bd5add0cb28c8883844dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b15fef4fe8a96acb143b2299cc96690dc023e609b8bd5add0cb28c8883844dd", kill_on_drop: false }`
[INFO] [stdout] 6b15fef4fe8a96acb143b2299cc96690dc023e609b8bd5add0cb28c8883844dd
