[INFO] cloning repository https://github.com/Shuumatsu/raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shuumatsu/raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d80a6f747c8449f9e62e2f8d6488713da18f6b3b
[INFO] documenting Shuumatsu/raft against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShuumatsu%2Fraft" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shuumatsu/raft on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shuumatsu/raft
[INFO] finished tweaking git repo https://github.com/Shuumatsu/raft
[INFO] tweaked toml for git repo https://github.com/Shuumatsu/raft written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Shuumatsu/raft 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" "+1.69.0" "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 tarpc-plugins v0.11.0
[INFO] [stderr]   Downloaded async-recursion v0.2.0
[INFO] [stderr]   Downloaded tarpc v0.26.2
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.12.0
[INFO] [stderr]   Downloaded opentelemetry v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8728b112ebed1b87c753eaf32e39705040cfd5c98e48051184989e46f7f5ba8
[INFO] running `Command { std: "docker" "start" "-a" "e8728b112ebed1b87c753eaf32e39705040cfd5c98e48051184989e46f7f5ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8728b112ebed1b87c753eaf32e39705040cfd5c98e48051184989e46f7f5ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8728b112ebed1b87c753eaf32e39705040cfd5c98e48051184989e46f7f5ba8", kill_on_drop: false }`
[INFO] [stdout] e8728b112ebed1b87c753eaf32e39705040cfd5c98e48051184989e46f7f5ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58295d03a4e358e5b466f9e60b4ca67bd1c70d5f6639c90654abffa9a4fda1f2
[INFO] running `Command { std: "docker" "start" "-a" "58295d03a4e358e5b466f9e60b4ca67bd1c70d5f6639c90654abffa9a4fda1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tarpc-plugins v0.11.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling async-recursion v0.2.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking opentelemetry v0.13.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking tracing-opentelemetry v0.12.0
[INFO] [stderr]     Checking tarpc v0.26.2
[INFO] [stderr]  Documenting raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[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 `raft`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name raft src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a01ec81148d3bc36 -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-33f84326ffed93a0.so --extern clap=/opt/rustwide/target/debug/deps/libclap-fb5b2a972b1695cc.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-4658e8367b3cacff.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-a6dffa2a4e01c523.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ae3462077e5138d3.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6b806208179ef71a.rmeta --extern tarpc=/opt/rustwide/target/debug/deps/libtarpc-0156a5f8395faac7.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-92db3852ff6d2895.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f2d518297a4f7e78.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-044a8f7f890b40c0.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-867a6ea30db58fa5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58295d03a4e358e5b466f9e60b4ca67bd1c70d5f6639c90654abffa9a4fda1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58295d03a4e358e5b466f9e60b4ca67bd1c70d5f6639c90654abffa9a4fda1f2", kill_on_drop: false }`
[INFO] [stdout] 58295d03a4e358e5b466f9e60b4ca67bd1c70d5f6639c90654abffa9a4fda1f2
