[INFO] fetching crate async-raft 0.6.1...
[INFO] documenting async-raft-0.6.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate async-raft 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-raft 0.6.1 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 async-raft 0.6.1
[INFO] finished tweaking crates.io crate async-raft 0.6.1
[INFO] tweaked toml for crates.io crate async-raft 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 868b28e70142484ee707b6c24bde1e2171d644c2554d82688c9690ca6339df23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "868b28e70142484ee707b6c24bde1e2171d644c2554d82688c9690ca6339df23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868b28e70142484ee707b6c24bde1e2171d644c2554d82688c9690ca6339df23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868b28e70142484ee707b6c24bde1e2171d644c2554d82688c9690ca6339df23", kill_on_drop: false }`
[INFO] [stdout] 868b28e70142484ee707b6c24bde1e2171d644c2554d82688c9690ca6339df23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 958ba926d72d4e01477631c7c4a8996ce5036f50d7d07877d9917aca05015a01
[INFO] running `Command { std: "docker" "start" "-a" "958ba926d72d4e01477631c7c4a8996ce5036f50d7d07877d9917aca05015a01", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[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]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting async-raft v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "958ba926d72d4e01477631c7c4a8996ce5036f50d7d07877d9917aca05015a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958ba926d72d4e01477631c7c4a8996ce5036f50d7d07877d9917aca05015a01", kill_on_drop: false }`
[INFO] [stdout] 958ba926d72d4e01477631c7c4a8996ce5036f50d7d07877d9917aca05015a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "docinclude" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5482d663804a2c00344fdcad3186bc9a685fa7e78ec45a9055662a6453d536f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5482d663804a2c00344fdcad3186bc9a685fa7e78ec45a9055662a6453d536f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[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]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting async-raft v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "docinclude", feature(external_doc))]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `async-raft`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name async_raft src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="docinclude"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=84b2ab4db42f96c1 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-1cc28e7feb38ab3a.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3ff2dcaec82f87b7.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-73c0b9ddc577a2d8.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-cf0b7edb6cd3ec8d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2966570978c8032.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6da2383fa14d0272.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-264a46616c40e5de.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-38257b06d8bdf695.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d6ab0b77ed55184a.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-9f0fea98761ec33a.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-6fa0e11c5bb8dd6f.rmeta --extern-html-root-url 'anyhow=https://docs.rs/anyhow/1.0.57/' --extern-html-root-url 'async_trait=https://docs.rs/async-trait/0.1.53/' --extern-html-root-url 'bytes=https://docs.rs/bytes/1.1.0/' --extern-html-root-url 'derive_more=https://docs.rs/derive_more/0.99.17/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.21/' --extern-html-root-url 'log=https://docs.rs/log/0.4.17/' --extern-html-root-url 'rand=https://docs.rs/rand/0.7.3/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.137/' --extern-html-root-url 'thiserror=https://docs.rs/thiserror/1.0.31/' --extern-html-root-url 'tokio=https://docs.rs/tokio/1.18.2/' --extern-html-root-url 'tracing=https://docs.rs/tracing/0.1.34/' --extern-html-root-url 'tracing_futures=https://docs.rs/tracing-futures/0.2.5/' -Zunstable-options --crate-version 0.6.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5482d663804a2c00344fdcad3186bc9a685fa7e78ec45a9055662a6453d536f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5482d663804a2c00344fdcad3186bc9a685fa7e78ec45a9055662a6453d536f3", kill_on_drop: false }`
[INFO] [stdout] 5482d663804a2c00344fdcad3186bc9a685fa7e78ec45a9055662a6453d536f3