[INFO] fetching crate sc2-proxy 0.1.0...
[INFO] documenting sc2-proxy-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate sc2-proxy 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sc2-proxy 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded shellexpand v1.1.1
[INFO] [stderr]   Downloaded websocket v0.22.4
[INFO] [stderr]   Downloaded sc2-proto v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9a4a4023c3ca035abd30a8f502ffaa3f654ff758ba9cd3b22a70c6ceca8486
[INFO] running `Command { std: "docker" "start" "-a" "8a9a4a4023c3ca035abd30a8f502ffaa3f654ff758ba9cd3b22a70c6ceca8486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9a4a4023c3ca035abd30a8f502ffaa3f654ff758ba9cd3b22a70c6ceca8486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9a4a4023c3ca035abd30a8f502ffaa3f654ff758ba9cd3b22a70c6ceca8486", kill_on_drop: false }`
[INFO] [stdout] 8a9a4a4023c3ca035abd30a8f502ffaa3f654ff758ba9cd3b22a70c6ceca8486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 460a15fc74c293b33f3c824a00f6eec21f917f7eb4b862ce481a412d342fd96f
[INFO] running `Command { std: "docker" "start" "-a" "460a15fc74c293b33f3c824a00f6eec21f917f7eb4b862ce481a412d342fd96f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]    Compiling sc2-proto v0.2.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking openssl v0.10.63
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.113
[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]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `type_alias_enum_variants` has been stable since `1.37.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `sc2-proxy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/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,artifacts,future-incompat --document-private-items -C metadata=2d36e90bcdcf7aa2 -L dependency=/opt/rustwide/target/debug/deps --extern bufstream=/opt/rustwide/target/debug/deps/libbufstream-87576547db73f64a.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-c8d97f30889784d9.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-b137fc67d721dcb5.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7fe0807640814e58.rmeta --extern portpicker=/opt/rustwide/target/debug/deps/libportpicker-428b3ff41cf7b255.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-7fdf16f32bdc03fc.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-e5bb3e9bfaa685b8.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c4eddf7df4eb8638.rmeta --extern sc2_proto=/opt/rustwide/target/debug/deps/libsc2_proto-1690129ce26051cb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2ce2a5a9da83ad83.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3c4c6265586183ac.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-81964c65e518448d.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-73703e863bba60e9.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-5fcc1292b679bd77.rmeta --extern websocket=/opt/rustwide/target/debug/deps/libwebsocket-24775369ef0c4219.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "460a15fc74c293b33f3c824a00f6eec21f917f7eb4b862ce481a412d342fd96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460a15fc74c293b33f3c824a00f6eec21f917f7eb4b862ce481a412d342fd96f", kill_on_drop: false }`
[INFO] [stdout] 460a15fc74c293b33f3c824a00f6eec21f917f7eb4b862ce481a412d342fd96f
