[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 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortenLohne%2Ftinue-finder" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MortenLohne/tinue-finder 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] 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-37/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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/MortenLohne/taik`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded rusqlite v0.24.2
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded board-game-traits v0.1.0
[INFO] [stderr]   Downloaded pgn-traits v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 396e6f0b22f64f36298c43971c79cf9b7acd46ef0f1e3c0fed7e77cf1936426c
[INFO] running `Command { std: "docker" "start" "-a" "396e6f0b22f64f36298c43971c79cf9b7acd46ef0f1e3c0fed7e77cf1936426c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396e6f0b22f64f36298c43971c79cf9b7acd46ef0f1e3c0fed7e77cf1936426c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396e6f0b22f64f36298c43971c79cf9b7acd46ef0f1e3c0fed7e77cf1936426c", kill_on_drop: false }`
[INFO] [stdout] 396e6f0b22f64f36298c43971c79cf9b7acd46ef0f1e3c0fed7e77cf1936426c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 6c19b3643fab08a64ab4eee157149a3e24b6a15266d00908c63c485352551bc9
[INFO] running `Command { std: "docker" "start" "-a" "6c19b3643fab08a64ab4eee157149a3e24b6a15266d00908c63c485352551bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking board-game-traits v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pgn-traits v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_group_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `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,artifacts,future-incompat --document-private-items -C metadata=89ae52874596aa1b -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-d2f5dc538f55e3d4.rmeta --extern board_game_traits=/opt/rustwide/target/debug/deps/libboard_game_traits-416b60867a9c1fd1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-da2d4b0ba35ddb46.rmeta --extern pgn_traits=/opt/rustwide/target/debug/deps/libpgn_traits-a0b5528a3aca3628.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-e4ac7d1c9f64135b.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-ce5949378c498610.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-55feb92a62b895ed.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-56e3117e6c654d28.rmeta --extern taik=/opt/rustwide/target/debug/deps/libtaik-f31c68d7af8d8d53.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6c19b3643fab08a64ab4eee157149a3e24b6a15266d00908c63c485352551bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c19b3643fab08a64ab4eee157149a3e24b6a15266d00908c63c485352551bc9", kill_on_drop: false }`
[INFO] [stdout] 6c19b3643fab08a64ab4eee157149a3e24b6a15266d00908c63c485352551bc9