[INFO] fetching crate elasticsearch_exporter 0.21.0...
[INFO] documenting elasticsearch_exporter-0.21.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate elasticsearch_exporter 0.21.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate elasticsearch_exporter 0.21.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elasticsearch_exporter 0.21.0
[INFO] finished tweaking crates.io crate elasticsearch_exporter 0.21.0
[INFO] tweaked toml for crates.io crate elasticsearch_exporter 0.21.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate elasticsearch_exporter 0.21.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e56107b303c1f3c2d4b0035201e368f695f6e15c7908ba7c7f7363cf85f11c11
[INFO] running `Command { std: "docker" "start" "-a" "e56107b303c1f3c2d4b0035201e368f695f6e15c7908ba7c7f7363cf85f11c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56107b303c1f3c2d4b0035201e368f695f6e15c7908ba7c7f7363cf85f11c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56107b303c1f3c2d4b0035201e368f695f6e15c7908ba7c7f7363cf85f11c11", kill_on_drop: false }`
[INFO] [stdout] e56107b303c1f3c2d4b0035201e368f695f6e15c7908ba7c7f7363cf85f11c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5a1700707bab2b92f792fa85a6f453569e3f90719e518cdf8ed9d2faba41821
[INFO] running `Command { std: "docker" "start" "-a" "e5a1700707bab2b92f792fa85a6f453569e3f90719e518cdf8ed9d2faba41821", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_core v0.13.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
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[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.0.0-rc.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
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[INFO] [stderr]     Checking hyper-rustls v0.23.0
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[INFO] [stderr]  Documenting elasticsearch_exporter v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `elasticsearch_exporter`
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/options.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     /// https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-nodes-info.html#cluster-nodes-info-api-path-params
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-nodes-info.html#cluster-nodes-info-api-path-params>`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name elasticsearch_exporter src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=41d1a3835ed4ac3b -L dependency=/opt/rustwide/target/debug/deps --extern byte_unit=/opt/rustwide/target/debug/deps/libbyte_unit-ba72c9da0b05705b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ed4a641c4d870130.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-9637cf954c11b351.rmeta --extern elasticsearch=/opt/rustwide/target/debug/deps/libelasticsearch-63077055e1ee16c9.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-dd37fcbf4810fcb5.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-5666a90764710fa4.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-7c299a51b4945767.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-250758b0906e1967.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-c37ac7b23eb7e9f8.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-a766abd542c9cab3.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-8d2cf200e4696e6e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8fa575c8ec555e0b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9a5802135148a916.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a78d2c1d724deddb.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-35b76c3d73e18bae.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bc241201616b9dc6.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-2cb8d24f6bca81a7.rmeta --cap-lints=warn --crate-version 0.21.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e5a1700707bab2b92f792fa85a6f453569e3f90719e518cdf8ed9d2faba41821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a1700707bab2b92f792fa85a6f453569e3f90719e518cdf8ed9d2faba41821", kill_on_drop: false }`
[INFO] [stdout] e5a1700707bab2b92f792fa85a6f453569e3f90719e518cdf8ed9d2faba41821