[INFO] cloning repository https://github.com/FuegoFro/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuegoFro/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuegoFro%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuegoFro%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e983b25410c606c3ba110d836b7d2f8f49fd0f3a
[INFO] documenting FuegoFro/advent_of_code 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%2FFuegoFro%2Fadvent_of_code" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuegoFro/advent_of_code 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-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/FuegoFro/advent_of_code
[INFO] finished tweaking git repo https://github.com/FuegoFro/advent_of_code
[INFO] tweaked toml for git repo https://github.com/FuegoFro/advent_of_code written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FuegoFro/advent_of_code 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]     Updating git repository `https://github.com/carbotaniuman/auto_ops.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skiplist v0.4.0
[INFO] [stderr]   Downloaded binary-search v0.1.2
[INFO] [stderr]   Downloaded tuple v0.5.1
[INFO] [stderr]   Downloaded priority-queue v1.3.0
[INFO] [stderr]   Downloaded impl_ops v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47f8e77df410887a38272935d2238613b8f7a73777b86f237e3c321540d5fea8
[INFO] running `Command { std: "docker" "start" "-a" "47f8e77df410887a38272935d2238613b8f7a73777b86f237e3c321540d5fea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47f8e77df410887a38272935d2238613b8f7a73777b86f237e3c321540d5fea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f8e77df410887a38272935d2238613b8f7a73777b86f237e3c321540d5fea8", kill_on_drop: false }`
[INFO] [stdout] 47f8e77df410887a38272935d2238613b8f7a73777b86f237e3c321540d5fea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 652331fa9a5df4b09e88c61593c01d6d832b98140723a1d994df813b35343635
[INFO] running `Command { std: "docker" "start" "-a" "652331fa9a5df4b09e88c61593c01d6d832b98140723a1d994df813b35343635", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking auto_ops v0.3.0 (https://github.com/carbotaniuman/auto_ops.git?rev=7a9192f0a4b3e5ac7911db0cce5aeb74a15ca942#7a9192f0)
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling priority-queue v1.3.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking bitreader v0.3.6
[INFO] [stderr]     Checking binary-search v0.1.2
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]     Checking skiplist v0.4.0
[INFO] [stderr]     Checking lalrpop-util v0.19.8
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling recap-derive v0.1.2
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking tuple v0.5.1
[INFO] [stderr]     Checking recap v0.1.2
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting y2023 v0.1.0 (/opt/rustwide/workdir/y2023)
[INFO] [stderr]  Documenting y2019 v0.1.0 (/opt/rustwide/workdir/y2019)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> util/src/cycle_helpers.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | ///     https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm#Pseudocode
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm#Pseudocode>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting y2021 v0.1.0 (/opt/rustwide/workdir/y2021)
[INFO] [stderr]  Documenting y2022 v0.1.0 (/opt/rustwide/workdir/y2022)
[INFO] [stderr]    Compiling y2020 v0.1.0 (/opt/rustwide/workdir/y2020)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> y2021/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `number`
[INFO] [stdout]   --> y2021/src/d08/mod.rs:13:61
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// to which digit. The following is a table for going from <number of letters in signal> to digit:
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> y2022/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(variant_count)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `y2021`
[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 bin --crate-name y2021 y2021/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=385222095983d1c3 -L dependency=/opt/rustwide/target/debug/deps --extern bitreader=/opt/rustwide/target/debug/deps/libbitreader-46da7c9d5f28f04e.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-a89e095190f56c37.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ba3f20d49098a1f1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-900704033b235124.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-36586acfafdb1700.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-8b69760557804d4a.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-b0412f3f149a29b6.rmeta --extern recap=/opt/rustwide/target/debug/deps/librecap-5ba52fef94c21b56.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9df7251bd75c1768.rmeta --extern tuple=/opt/rustwide/target/debug/deps/libtuple-9bce02d6b3d22106.rmeta --extern util=/opt/rustwide/target/debug/deps/libutil-bddac5007bcb34cd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `y2022`
[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 bin --crate-name y2022 y2022/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=4fbf416400d379d4 -L dependency=/opt/rustwide/target/debug/deps --extern derivative=/opt/rustwide/target/debug/deps/libderivative-50a50b613cfe133a.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ba3f20d49098a1f1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-36586acfafdb1700.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-b0412f3f149a29b6.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-137d6d8f1f380f4b.rmeta --extern recap=/opt/rustwide/target/debug/deps/librecap-5ba52fef94c21b56.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9df7251bd75c1768.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-774997c2eefb30d9.rmeta --extern skiplist=/opt/rustwide/target/debug/deps/libskiplist-ee8ee7349cd9e6fe.rmeta --extern tuple=/opt/rustwide/target/debug/deps/libtuple-9bce02d6b3d22106.rmeta --extern util=/opt/rustwide/target/debug/deps/libutil-bddac5007bcb34cd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "652331fa9a5df4b09e88c61593c01d6d832b98140723a1d994df813b35343635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652331fa9a5df4b09e88c61593c01d6d832b98140723a1d994df813b35343635", kill_on_drop: false }`
[INFO] [stdout] 652331fa9a5df4b09e88c61593c01d6d832b98140723a1d994df813b35343635
