[INFO] cloning repository https://github.com/Nadybot/highway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nadybot/highway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadybot%2Fhighway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadybot%2Fhighway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97bce25e08ba000ff45a8d497d8c9c5c7c95a362
[INFO] documenting Nadybot/highway against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadybot%2Fhighway" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nadybot/highway on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-26/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Nadybot/highway
[INFO] finished tweaking git repo https://github.com/Nadybot/highway
[INFO] tweaked toml for git repo https://github.com/Nadybot/highway written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/Nadybot/highway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.1
[INFO] [stderr]   Downloaded value-trait v0.2.12
[INFO] [stderr]   Downloaded halfbrown v0.1.14
[INFO] [stderr]   Downloaded simd-json v0.4.15
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.9.0
[INFO] [stderr]   Downloaded metrics-util v0.12.1
[INFO] [stderr]   Downloaded simdutf8 v0.1.4
[INFO] [stderr]   Downloaded password-hash v0.4.1
[INFO] [stderr]   Downloaded argon2 v0.4.0
[INFO] [stderr]   Downloaded uuid v1.0.0
[INFO] [stderr]   Downloaded metrics-macros v0.5.1
[INFO] [stderr]   Downloaded raw-cpuid v10.3.0
[INFO] [stderr]   Downloaded dashmap v5.3.3
[INFO] [stderr]   Downloaded leaky-bucket-lite v0.5.2
[INFO] [stderr]   Downloaded metrics v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03c195e4520c9ea462fe93dcb75c562affcee7ff7d9197e08b94d70bc7388a7b
[INFO] running `Command { std: "docker" "start" "-a" "03c195e4520c9ea462fe93dcb75c562affcee7ff7d9197e08b94d70bc7388a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03c195e4520c9ea462fe93dcb75c562affcee7ff7d9197e08b94d70bc7388a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c195e4520c9ea462fe93dcb75c562affcee7ff7d9197e08b94d70bc7388a7b", kill_on_drop: false }`
[INFO] [stdout] 03c195e4520c9ea462fe93dcb75c562affcee7ff7d9197e08b94d70bc7388a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54d04ed91b9c6701f7f8d4137ed39ac2e68a973f6bb4eb89e30b00f4ffc43f4
[INFO] running `Command { std: "docker" "start" "-a" "a54d04ed91b9c6701f7f8d4137ed39ac2e68a973f6bb4eb89e30b00f4ffc43f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking atomic-shim v0.2.0
[INFO] [stderr]     Checking base64ct v1.5.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking raw-cpuid v10.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking dashmap v5.3.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking quanta v0.9.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking argon2 v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking metrics-util v0.12.1
[INFO] [stderr]     Checking leaky-bucket-lite v0.5.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.9.0
[INFO] [stderr]     Checking tokio-tungstenite v0.17.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]  Documenting highway v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `highway`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name highway src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="no-simd"' --cfg 'feature="serde_json"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=072e3ad22a85026d -L dependency=/opt/rustwide/target/debug/deps --extern argon2=/opt/rustwide/target/debug/deps/libargon2-8f2d3b74efdb7f6f.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-8bcb81a96746c276.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-e1cb93832a9604f2.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-182c02a21a7416ac.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-7b434c34a3241d70.rmeta --extern leaky_bucket_lite=/opt/rustwide/target/debug/deps/libleaky_bucket_lite-855e77263a55fe02.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-310bdfb86af4279d.rmeta --extern metrics=/opt/rustwide/target/debug/deps/libmetrics-eb99fafe72888bc3.rmeta --extern metrics_exporter_prometheus=/opt/rustwide/target/debug/deps/libmetrics_exporter_prometheus-7d74d81bddca3de5.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-2e92849f6de4e5d3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b10d63be5974d96c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f08cac3380378019.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-117dffc4e0a91475.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bc4e221db7f3982f.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-e05755b415c16335.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-57945360362c067a.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-183beccc996d7d73.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-09464b82b02ae4ad.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a54d04ed91b9c6701f7f8d4137ed39ac2e68a973f6bb4eb89e30b00f4ffc43f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54d04ed91b9c6701f7f8d4137ed39ac2e68a973f6bb4eb89e30b00f4ffc43f4", kill_on_drop: false }`
[INFO] [stdout] a54d04ed91b9c6701f7f8d4137ed39ac2e68a973f6bb4eb89e30b00f4ffc43f4