[INFO] cloning repository https://github.com/Arkham/aoc-2023-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arkham/aoc-2023-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkham%2Faoc-2023-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkham%2Faoc-2023-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a35afea99e5311a4f2c052a5bc5fcd846748143
[INFO] documenting Arkham/aoc-2023-in-rust against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkham%2Faoc-2023-in-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Arkham/aoc-2023-in-rust
[INFO] finished tweaking git repo https://github.com/Arkham/aoc-2023-in-rust
[INFO] tweaked toml for git repo https://github.com/Arkham/aoc-2023-in-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arkham/aoc-2023-in-rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arkham/aoc-2023-in-rust 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8738d135d0d080714dcecde818354051c9d0952e292ddce5f025a15b0049cac7
[INFO] running `Command { std: "docker" "start" "-a" "8738d135d0d080714dcecde818354051c9d0952e292ddce5f025a15b0049cac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8738d135d0d080714dcecde818354051c9d0952e292ddce5f025a15b0049cac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8738d135d0d080714dcecde818354051c9d0952e292ddce5f025a15b0049cac7", kill_on_drop: false }`
[INFO] [stdout] 8738d135d0d080714dcecde818354051c9d0952e292ddce5f025a15b0049cac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b060d209579ac1c8d44396a06d44f6893ca7ad4516a3cc98646b340b5e852767
[INFO] running `Command { std: "docker" "start" "-a" "b060d209579ac1c8d44396a06d44f6893ca7ad4516a3cc98646b340b5e852767", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]     Checking zerocopy v0.7.30
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling parse-display-derive v0.8.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking parse-display v0.8.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling cached_proc_macro v0.18.1
[INFO] [stderr]     Checking cached v0.46.1
[INFO] [stderr]     Checking advent_of_code v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent_of_code v0.9.2 (/opt/rustwide/workdir)
[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/beta-2026-01-20-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name 07 src/bin/07.rs -o /opt/rustwide/target/doc --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("test_lib"))' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=1f82c6ef455a7fbc -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code=/opt/rustwide/target/debug/deps/libadvent_of_code-d83e39f34b9dc8c2.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-b511df162d0ef86d.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-ccdccb9c8156a11e.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e7645fef2e7d1270.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-3fa7bbcb481678c9.rmeta --extern parse_display=/opt/rustwide/target/debug/deps/libparse_display-a3294215fef48582.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-30a312e91312b880.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2e72fdea52a1df2b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-2a789bbac813ecbd.rmeta --document-private-items '-Arustdoc::private-intra-doc-links' --cap-lints=warn --crate-version 0.9.2` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b060d209579ac1c8d44396a06d44f6893ca7ad4516a3cc98646b340b5e852767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b060d209579ac1c8d44396a06d44f6893ca7ad4516a3cc98646b340b5e852767", kill_on_drop: false }`
[INFO] [stdout] b060d209579ac1c8d44396a06d44f6893ca7ad4516a3cc98646b340b5e852767