[INFO] cloning repository https://github.com/kyp44/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/kyp44/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80a873052894589fc408d86dfc8662b3aeb3a598
[INFO] documenting kyp44/advent-of-code against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fadvent-of-code" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyp44/advent-of-code on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kyp44/advent-of-code
[INFO] finished tweaking git repo https://github.com/kyp44/advent-of-code
[INFO] tweaked toml for git repo https://github.com/kyp44/advent-of-code written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/kyp44/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96811e57c64d2a151e9051bc2f9147708a0b3fdc8353f16e1fb07d764b628bf
[INFO] running `Command { std: "docker" "start" "-a" "f96811e57c64d2a151e9051bc2f9147708a0b3fdc8353f16e1fb07d764b628bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96811e57c64d2a151e9051bc2f9147708a0b3fdc8353f16e1fb07d764b628bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96811e57c64d2a151e9051bc2f9147708a0b3fdc8353f16e1fb07d764b628bf", kill_on_drop: false }`
[INFO] [stdout] f96811e57c64d2a151e9051bc2f9147708a0b3fdc8353f16e1fb07d764b628bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 046b46325c78123698a890d47a708811e17102adb87ec785867d4b9003c113b2
[INFO] running `Command { std: "docker" "start" "-a" "046b46325c78123698a890d47a708811e17102adb87ec785867d4b9003c113b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bimap v0.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]     Checking partitions v0.2.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling bitbuffer_derive v0.10.0
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling aoc_derive v0.1.0 (/opt/rustwide/workdir/aoc_derive)
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]     Checking bitbuffer v0.10.7
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]  Documenting advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_set_entry)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[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: `rustdoc --edition=2021 --crate-type bin --crate-name advent_of_code 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=9e134a7f88c19a2c -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-6808c641dae77bd3.rmeta --extern aoc_derive=/opt/rustwide/target/debug/deps/libaoc_derive-71f23f6b0ee5d1eb.so --extern bimap=/opt/rustwide/target/debug/deps/libbimap-9e47f36fb8c67dce.rmeta --extern bitbuffer=/opt/rustwide/target/debug/deps/libbitbuffer-387752788d250ac3.rmeta --extern cgmath=/opt/rustwide/target/debug/deps/libcgmath-3f4ba2acf437e44b.rmeta --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-e2d2e4f46e7e24f8.so --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-356b55b4a5b5dc61.rmeta --extern enum_map_derive=/opt/rustwide/target/debug/deps/libenum_map_derive-4d92e49be8f7b0c6.so --extern hex=/opt/rustwide/target/debug/deps/libhex-e363d6a41d9ffc70.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5dfc9fd0ade52842.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-968ec89f12a946c3.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-4bc65629d3a703ec.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-4d3d33045bd5b3fe.rmeta --extern partitions=/opt/rustwide/target/debug/deps/libpartitions-ca4dec85119abd46.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-1ed3e5b2e3e01720.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-4df2ca9a940bc830.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-02eaba476e7dd954.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-bc1fcaa0ce7a234d.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-9d2d9fbadf0d4f8a.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-062e99c9963c36a8.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "046b46325c78123698a890d47a708811e17102adb87ec785867d4b9003c113b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046b46325c78123698a890d47a708811e17102adb87ec785867d4b9003c113b2", kill_on_drop: false }`
[INFO] [stdout] 046b46325c78123698a890d47a708811e17102adb87ec785867d4b9003c113b2