[INFO] cloning repository https://github.com/vgarleanu/quicksocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vgarleanu/quicksocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgarleanu%2Fquicksocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgarleanu%2Fquicksocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b0995c6d54b99a16dc51acb99dc3672c1014008
[INFO] documenting vgarleanu/quicksocks 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%2Fvgarleanu%2Fquicksocks" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vgarleanu/quicksocks 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/vgarleanu/quicksocks
[INFO] finished tweaking git repo https://github.com/vgarleanu/quicksocks
[INFO] tweaked toml for git repo https://github.com/vgarleanu/quicksocks written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vgarleanu/quicksocks 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2251a00dd1d36150916db737dd7db535f1a1c0d3af09ac6d25bf74f410ec8bb8
[INFO] running `Command { std: "docker" "start" "-a" "2251a00dd1d36150916db737dd7db535f1a1c0d3af09ac6d25bf74f410ec8bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2251a00dd1d36150916db737dd7db535f1a1c0d3af09ac6d25bf74f410ec8bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2251a00dd1d36150916db737dd7db535f1a1c0d3af09ac6d25bf74f410ec8bb8", kill_on_drop: false }`
[INFO] [stdout] 2251a00dd1d36150916db737dd7db535f1a1c0d3af09ac6d25bf74f410ec8bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 85d3fa1a4abaa1a5d5f14a273b19ea6b62ea0569a358f66de3ca3099b3268c5c
[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" "85d3fa1a4abaa1a5d5f14a273b19ea6b62ea0569a358f66de3ca3099b3268c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking openssl v0.10.26
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]  Documenting quicksockets 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:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | #![feature(type_ascription)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `quicksockets`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name quicksockets src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-66cb4816ef97c2a7.so --extern base64=/opt/rustwide/target/debug/deps/libbase64-b4fa11357f8d9891.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-86ffcfcb5274dd16.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-9f527e29df1c1ab7.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c0eeb0a6217e580b.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-bc85c16f7f13a18a.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-e3c980ab5384b240.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-fff6a7e1cfdc30f1.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-ab3b4ae31be4bc1b.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6fe8c32499862455.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-984a5e44314c6395.rmeta --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-de7aa8bdcf40569a.rmeta --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-74dbac016c40f939.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-73ba8f03e9a74c4a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "85d3fa1a4abaa1a5d5f14a273b19ea6b62ea0569a358f66de3ca3099b3268c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d3fa1a4abaa1a5d5f14a273b19ea6b62ea0569a358f66de3ca3099b3268c5c", kill_on_drop: false }`
[INFO] [stdout] 85d3fa1a4abaa1a5d5f14a273b19ea6b62ea0569a358f66de3ca3099b3268c5c
