[INFO] fetching crate sc2-proxy 0.1.0...
[INFO] documenting sc2-proxy-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sc2-proxy 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sc2-proxy 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc2-proxy 0.1.0
[INFO] finished tweaking crates.io crate sc2-proxy 0.1.0
[INFO] tweaked toml for crates.io crate sc2-proxy 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd1343890593c903b653e08d262d9e76cbc951d567ae4f30e4d97c2e4413d614
[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" "cd1343890593c903b653e08d262d9e76cbc951d567ae4f30e4d97c2e4413d614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd1343890593c903b653e08d262d9e76cbc951d567ae4f30e4d97c2e4413d614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1343890593c903b653e08d262d9e76cbc951d567ae4f30e4d97c2e4413d614", kill_on_drop: false }`
[INFO] [stdout] cd1343890593c903b653e08d262d9e76cbc951d567ae4f30e4d97c2e4413d614
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f3623dd70c72d534a045497df5cd94293dea57628f3ffb049b3196cba278db
[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" "73f3623dd70c72d534a045497df5cd94293dea57628f3ffb049b3196cba278db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking portpicker v0.1.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]    Compiling protoc v2.17.0
[INFO] [stderr]    Compiling protobuf-codegen v2.17.0
[INFO] [stderr]    Compiling protoc-rust v2.17.0
[INFO] [stderr]    Compiling sc2-proto v0.2.1
[INFO] [stderr]  Documenting sc2-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(type_alias_enum_variants)]
[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 `sc2-proxy`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name sc2_proxy 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 bufstream=/opt/rustwide/target/debug/deps/libbufstream-7af7bf028b4c94e3.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-7ea7f32a20d774f4.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-defe825210469148.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-958bf2a074a4960f.rmeta --extern portpicker=/opt/rustwide/target/debug/deps/libportpicker-880df4029cdb5245.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-c9621d10cc024932.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-a664ff0940adc4c7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5103ea9f59ed634c.rmeta --extern sc2_proto=/opt/rustwide/target/debug/deps/libsc2_proto-3737fcbbe16fab00.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cf2a7db764a470fc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f7ccfbd11c8a72bd.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-94553b4deed1c9f0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-acf8ecb6f63fff47.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-d2a7ff022724738f.rmeta --extern websocket=/opt/rustwide/target/debug/deps/libwebsocket-3407f1f34a042842.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "73f3623dd70c72d534a045497df5cd94293dea57628f3ffb049b3196cba278db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f3623dd70c72d534a045497df5cd94293dea57628f3ffb049b3196cba278db", kill_on_drop: false }`
[INFO] [stdout] 73f3623dd70c72d534a045497df5cd94293dea57628f3ffb049b3196cba278db