[INFO] cloning repository https://github.com/thinkier/tcp-h264-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thinkier/tcp-h264-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthinkier%2Ftcp-h264-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthinkier%2Ftcp-h264-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac47917d1c04374c3da3c3ba01bb325c96a16e67
[INFO] documenting thinkier/tcp-h264-server against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthinkier%2Ftcp-h264-server" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thinkier/tcp-h264-server 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 git repo https://github.com/thinkier/tcp-h264-server
[INFO] finished tweaking git repo https://github.com/thinkier/tcp-h264-server
[INFO] tweaked toml for git repo https://github.com/thinkier/tcp-h264-server written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/thinkier/tcp-h264-server 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 }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 18091971bf2fe96058b75e12dc83ed6c5c60c881380a5432dbdd632a2496ae78
[INFO] running `Command { std: "docker" "start" "-a" "18091971bf2fe96058b75e12dc83ed6c5c60c881380a5432dbdd632a2496ae78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18091971bf2fe96058b75e12dc83ed6c5c60c881380a5432dbdd632a2496ae78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18091971bf2fe96058b75e12dc83ed6c5c60c881380a5432dbdd632a2496ae78", kill_on_drop: false }`
[INFO] [stdout] 18091971bf2fe96058b75e12dc83ed6c5c60c881380a5432dbdd632a2496ae78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 273ccc2c977be3046cc9e1fcbacf6dbe8d8430d3ece443b5e005c7baff97e81b
[INFO] running `Command { std: "docker" "start" "-a" "273ccc2c977be3046cc9e1fcbacf6dbe8d8430d3ece443b5e005c7baff97e81b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking h264_nal_paging v0.1.7
[INFO] [stderr]  Documenting tcp-h264-server v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[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 `tcp-h264-server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name tcp_h264_server src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3353e5bcc7d3dd7b -L dependency=/opt/rustwide/target/debug/deps --extern argh=/opt/rustwide/target/debug/deps/libargh-0a2889726abdeb84.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-de03b5d8f0ccd544.rmeta --extern h264_nal_paging=/opt/rustwide/target/debug/deps/libh264_nal_paging-2d749befbd7af9b0.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-3bc22eb0ed75caa4.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-250758b0906e1967.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-66ea996f39d47fde.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "273ccc2c977be3046cc9e1fcbacf6dbe8d8430d3ece443b5e005c7baff97e81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273ccc2c977be3046cc9e1fcbacf6dbe8d8430d3ece443b5e005c7baff97e81b", kill_on_drop: false }`
[INFO] [stdout] 273ccc2c977be3046cc9e1fcbacf6dbe8d8430d3ece443b5e005c7baff97e81b