[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 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortenLohne%2Ftinue-finder" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MortenLohne/tinue-finder on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/MortenLohne/taik`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded board-game-traits v0.1.0
[INFO] [stderr]   Downloaded rusqlite v0.24.2
[INFO] [stderr]   Downloaded pgn-traits v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9de662838cd881d1431b749788a35fac816443f1bb4f2c931e8bdeb88ac2636
[INFO] running `Command { std: "docker" "start" "-a" "b9de662838cd881d1431b749788a35fac816443f1bb4f2c931e8bdeb88ac2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9de662838cd881d1431b749788a35fac816443f1bb4f2c931e8bdeb88ac2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9de662838cd881d1431b749788a35fac816443f1bb4f2c931e8bdeb88ac2636", kill_on_drop: false }`
[INFO] [stdout] b9de662838cd881d1431b749788a35fac816443f1bb4f2c931e8bdeb88ac2636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9324cba867af92a711b457d7287588b7fb87048566dd7351b09e91c2e80b6d71
[INFO] running `Command { std: "docker" "start" "-a" "9324cba867af92a711b457d7287588b7fb87048566dd7351b09e91c2e80b6d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking board-game-traits v0.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pgn-traits v0.1.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking hashlink v0.6.0
[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 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]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[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: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/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 '-Arustdoc::private-intra-doc-links' -C metadata=6da3a776da963263 -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-d16a5732b3a6f52a.rmeta --extern board_game_traits=/opt/rustwide/target/debug/deps/libboard_game_traits-1775d17dbbf0f534.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-59901c924e9417cc.rmeta --extern pgn_traits=/opt/rustwide/target/debug/deps/libpgn_traits-3ec1fad3c834536f.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-6b702bc35505007a.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-cccf5387f0933e73.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-fe1ebed4b82f19ff.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c9a871f8d5db5604.rmeta --extern taik=/opt/rustwide/target/debug/deps/libtaik-6daf6259d954280b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9324cba867af92a711b457d7287588b7fb87048566dd7351b09e91c2e80b6d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9324cba867af92a711b457d7287588b7fb87048566dd7351b09e91c2e80b6d71", kill_on_drop: false }`
[INFO] [stdout] 9324cba867af92a711b457d7287588b7fb87048566dd7351b09e91c2e80b6d71
