[INFO] cloning repository https://github.com/semtexzv/rafka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/semtexzv/rafka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemtexzv%2Frafka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemtexzv%2Frafka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c93a9cb3646824605b62b382ef05770f39235fe4
[INFO] documenting semtexzv/rafka against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemtexzv%2Frafka" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/semtexzv/rafka on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/semtexzv/rafka
[INFO] finished tweaking git repo https://github.com/semtexzv/rafka
[INFO] tweaked toml for git repo https://github.com/semtexzv/rafka written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/semtexzv/rafka already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.24
[INFO] [stderr]   Downloaded tokio-tower v0.4.0
[INFO] [stderr]   Downloaded pin-project v0.4.24
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b205b818e0177d67f45e3d17440346b94ae1e3d03d281b7a2fd3b6f280c6953
[INFO] running `Command { std: "docker" "start" "-a" "0b205b818e0177d67f45e3d17440346b94ae1e3d03d281b7a2fd3b6f280c6953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b205b818e0177d67f45e3d17440346b94ae1e3d03d281b7a2fd3b6f280c6953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b205b818e0177d67f45e3d17440346b94ae1e3d03d281b7a2fd3b6f280c6953", kill_on_drop: false }`
[INFO] [stdout] 0b205b818e0177d67f45e3d17440346b94ae1e3d03d281b7a2fd3b6f280c6953
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 347fb2abf5dff61628e80c60a5569afff1adde4061167d2fb23a6c3c106a2bc4
[INFO] running `Command { std: "docker" "start" "-a" "347fb2abf5dff61628e80c60a5569afff1adde4061167d2fb23a6c3c106a2bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking pin-project-lite v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling rafka_codegen v0.0.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tokio-tower v0.4.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]  Documenting rafka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rafka`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type staticlib --crate-type cdylib --crate-name rafka src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="tls"' --cfg 'feature="tokio-rustls"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ef928f5d6a425caf.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c605bb9f4f40a95b.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-be6cb9a7be86933c.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7f3aa69be681f0d7.rmeta --extern rafka_codegen=/opt/rustwide/target/debug/deps/librafka_codegen-f6c71360b18b12b6.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-baaec0d1660a1152.rmeta --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-a34247682aee8185.rmeta --extern tokio_tower=/opt/rustwide/target/debug/deps/libtokio_tower-c0c206bf3670f833.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-e9e97b386870e41c.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-cebf19108a5a0c04.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "347fb2abf5dff61628e80c60a5569afff1adde4061167d2fb23a6c3c106a2bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347fb2abf5dff61628e80c60a5569afff1adde4061167d2fb23a6c3c106a2bc4", kill_on_drop: false }`
[INFO] [stdout] 347fb2abf5dff61628e80c60a5569afff1adde4061167d2fb23a6c3c106a2bc4
