[INFO] fetching crate elasticsearch_exporter 0.22.0...
[INFO] documenting elasticsearch_exporter-0.22.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate elasticsearch_exporter 0.22.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate elasticsearch_exporter 0.22.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elasticsearch_exporter 0.22.0
[INFO] finished tweaking crates.io crate elasticsearch_exporter 0.22.0
[INFO] tweaked toml for crates.io crate elasticsearch_exporter 0.22.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate elasticsearch_exporter 0.22.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elasticsearch v8.5.0-alpha.1
[INFO] [stderr]   Downloaded byte-unit v4.0.17
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded hyper-rustls v0.23.1
[INFO] [stderr]   Downloaded clap v4.0.26
[INFO] [stderr]   Downloaded serde_qs v0.10.1
[INFO] [stderr]   Downloaded prometheus v0.13.3
[INFO] [stderr]   Downloaded io-lifetimes v0.7.5
[INFO] [stderr]   Downloaded procfs v0.14.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded rustix v0.35.13
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b4c1e1841f794862c6fe9937e39e4690e827a992490134a428da658d25cfecf
[INFO] running `Command { std: "docker" "start" "-a" "9b4c1e1841f794862c6fe9937e39e4690e827a992490134a428da658d25cfecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b4c1e1841f794862c6fe9937e39e4690e827a992490134a428da658d25cfecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4c1e1841f794862c6fe9937e39e4690e827a992490134a428da658d25cfecf", kill_on_drop: false }`
[INFO] [stdout] 9b4c1e1841f794862c6fe9937e39e4690e827a992490134a428da658d25cfecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dab59ac4c5659ff2eafb9280aaa16651123546e0689415a4901b80733cef754
[INFO] running `Command { std: "docker" "start" "-a" "1dab59ac4c5659ff2eafb9280aaa16651123546e0689415a4901b80733cef754", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking futures-sink v0.3.25
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[INFO] [stderr]    Compiling httparse v1.8.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.35.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ryu v1.0.11
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[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling procfs v0.14.1
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking sct v0.7.0
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[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling elasticsearch v8.5.0-alpha.1
[INFO] [stderr]     Checking mime v0.3.16
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[INFO] [stderr]     Checking os_str_bytes v6.4.1
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking dyn-clone v1.0.9
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking clap v4.0.26
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking async-compression v0.3.15
[INFO] [stderr]     Checking h2 v0.3.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking byte-unit v4.0.17
[INFO] [stderr]     Checking serde_qs v0.10.1
[INFO] [stderr]     Checking hyper v0.14.23
[INFO] [stderr]     Checking hyper-rustls v0.23.1
[INFO] [stderr]     Checking reqwest v0.11.13
[INFO] [stderr]  Documenting elasticsearch_exporter v0.22.0 (/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] [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: bare URLs are not automatically turned into clickable links
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `elasticsearch_exporter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[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=6a9937ab52408a43 -L dependency=/opt/rustwide/target/debug/deps --extern byte_unit=/opt/rustwide/target/debug/deps/libbyte_unit-67a0fb697d2e12f3.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-30b72405b9904dca.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-64aead756b01b3d9.rmeta --extern elasticsearch=/opt/rustwide/target/debug/deps/libelasticsearch-06ef0294e8afa460.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-8832daa6ee55fafd.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-35fef88997af0fd0.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-c37ac7b23eb7e9f8.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-4c972346303a9177.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-98cbbc2405144830.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-503ed3404a01c453.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-ead81c99116a0833.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3a90781d04ac901b.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-603dafabd31cdf4d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-cf143043be3b52b1.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-a59aa8dd287ebee6.rmeta --cap-lints=warn --crate-version 0.22.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1dab59ac4c5659ff2eafb9280aaa16651123546e0689415a4901b80733cef754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dab59ac4c5659ff2eafb9280aaa16651123546e0689415a4901b80733cef754", kill_on_drop: false }`
[INFO] [stdout] 1dab59ac4c5659ff2eafb9280aaa16651123546e0689415a4901b80733cef754
