[INFO] cloning repository https://github.com/MortenLohne/tinue-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MortenLohne/tinue-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortenLohne%2Ftinue-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortenLohne%2Ftinue-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e38b0f1d31b8da04cccb325b1bf0422b861d3d
[INFO] documenting MortenLohne/tinue-finder against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortenLohne%2Ftinue-finder" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MortenLohne/tinue-finder on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MortenLohne/tinue-finder
[INFO] finished tweaking git repo https://github.com/MortenLohne/tinue-finder
[INFO] tweaked toml for git repo https://github.com/MortenLohne/tinue-finder written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MortenLohne/tinue-finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7dfbe9889c70e2b418fb9633f04c148cc8c3b3b7c3c0eff569915bfaccbed8
[INFO] running `Command { std: "docker" "start" "-a" "0c7dfbe9889c70e2b418fb9633f04c148cc8c3b3b7c3c0eff569915bfaccbed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7dfbe9889c70e2b418fb9633f04c148cc8c3b3b7c3c0eff569915bfaccbed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7dfbe9889c70e2b418fb9633f04c148cc8c3b3b7c3c0eff569915bfaccbed8", kill_on_drop: false }`
[INFO] [stdout] 0c7dfbe9889c70e2b418fb9633f04c148cc8c3b3b7c3c0eff569915bfaccbed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3855b676d44825593382a45e0419e6cae2c6139c49d7c2126d7419e7e399554
[INFO] running `Command { std: "docker" "start" "-a" "c3855b676d44825593382a45e0419e6cae2c6139c49d7c2126d7419e7e399554", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking board-game-traits v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pgn-traits v0.1.1
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking taik v0.1.0 (https://github.com/MortenLohne/taik?branch=f-generic-size#99f2bfb2)
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]  Documenting tinue-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_group_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `tinue-finder`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name tinue_finder src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-6567328111aff02d.rmeta --extern board_game_traits=/opt/rustwide/target/debug/deps/libboard_game_traits-3bd306211f3ad8ba.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-0dba07b618174d85.rmeta --extern pgn_traits=/opt/rustwide/target/debug/deps/libpgn_traits-9b634fb2fdd72f70.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-e83e71e79fd5d296.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-a6df581401f9633f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-81328bb3a8153634.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2af3da59ef16cc71.rmeta --extern taik=/opt/rustwide/target/debug/deps/libtaik-7417e4cf2a2b4716.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c3855b676d44825593382a45e0419e6cae2c6139c49d7c2126d7419e7e399554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3855b676d44825593382a45e0419e6cae2c6139c49d7c2126d7419e7e399554", kill_on_drop: false }`
[INFO] [stdout] c3855b676d44825593382a45e0419e6cae2c6139c49d7c2126d7419e7e399554
