[INFO] fetching crate sc2-proxy 0.1.0...
[INFO] documenting sc2-proxy-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate sc2-proxy 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sc2-proxy 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded shellexpand v1.1.1
[INFO] [stderr]   Downloaded portpicker v0.1.0
[INFO] [stderr]   Downloaded websocket v0.22.4
[INFO] [stderr]   Downloaded sc2-proto v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be89037c5f5cacc4e625094b0876bf624469cb4d04772bcccfb9dd7f01b0cec0
[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" "be89037c5f5cacc4e625094b0876bf624469cb4d04772bcccfb9dd7f01b0cec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be89037c5f5cacc4e625094b0876bf624469cb4d04772bcccfb9dd7f01b0cec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be89037c5f5cacc4e625094b0876bf624469cb4d04772bcccfb9dd7f01b0cec0", kill_on_drop: false }`
[INFO] [stdout] be89037c5f5cacc4e625094b0876bf624469cb4d04772bcccfb9dd7f01b0cec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "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] 25cde1053a69317bdcd6a4b7fd46e8132dbc79e7b66bafe51558dfb13cc19c14
[INFO] running `Command { std: "docker" "start" "-a" "25cde1053a69317bdcd6a4b7fd46e8132dbc79e7b66bafe51558dfb13cc19c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.18.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking portpicker v0.1.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling protoc v2.18.0
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]    Compiling protobuf-codegen v2.18.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling protoc-rust v2.18.0
[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 beta 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-43e42649265204f9.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2521893e9abc7029.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-c8dee0fe6053881a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-95a9d57e67df36ac.rmeta --extern portpicker=/opt/rustwide/target/debug/deps/libportpicker-78d3a5dcbeb0fb54.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-e86c74f974c9cafc.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-69050c8f380d9b19.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-147bc681a8d7725f.rmeta --extern sc2_proto=/opt/rustwide/target/debug/deps/libsc2_proto-b20c12832f43b2e5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0e48f83f85c8911c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8a331068ce18203d.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-6d81bd00b4adffb0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-9f8e0e35c3810d2e.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-75b07d133fdc0927.rmeta --extern websocket=/opt/rustwide/target/debug/deps/libwebsocket-d4ab8130e6d554c6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "25cde1053a69317bdcd6a4b7fd46e8132dbc79e7b66bafe51558dfb13cc19c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cde1053a69317bdcd6a4b7fd46e8132dbc79e7b66bafe51558dfb13cc19c14", kill_on_drop: false }`
[INFO] [stdout] 25cde1053a69317bdcd6a4b7fd46e8132dbc79e7b66bafe51558dfb13cc19c14
