[INFO] fetching crate sc2-proxy 0.1.0...
[INFO] documenting sc2-proxy-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sc2-proxy 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sc2-proxy 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded shellexpand v1.1.1
[INFO] [stderr]   Downloaded websocket v0.22.4
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 172c9c6e5e5a7ba77817a5e8607e97f56270c641a9ce14450cee6ab35efe86c0
[INFO] running `Command { std: "docker" "start" "-a" "172c9c6e5e5a7ba77817a5e8607e97f56270c641a9ce14450cee6ab35efe86c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172c9c6e5e5a7ba77817a5e8607e97f56270c641a9ce14450cee6ab35efe86c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172c9c6e5e5a7ba77817a5e8607e97f56270c641a9ce14450cee6ab35efe86c0", kill_on_drop: false }`
[INFO] [stdout] 172c9c6e5e5a7ba77817a5e8607e97f56270c641a9ce14450cee6ab35efe86c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c78908fdfffdb820c74dba0f61ee2dd012c655cd152be1e4bb5d26ab9c3f6a
[INFO] running `Command { std: "docker" "start" "-a" "e6c78908fdfffdb820c74dba0f61ee2dd012c655cd152be1e4bb5d26ab9c3f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]    Compiling sc2-proto v0.2.3
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[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 v1.0.111
[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 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/1.75.0-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=6aab1de4e877d9d6 -L dependency=/opt/rustwide/target/debug/deps --extern bufstream=/opt/rustwide/target/debug/deps/libbufstream-535eb390ee115ca0.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-874a1f3e51e592c0.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-058ca158b33e07a8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-adcbaf8a98132d5a.rmeta --extern portpicker=/opt/rustwide/target/debug/deps/libportpicker-0497fdeb4bd13452.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-4b0d16b0495a5bf5.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-a3fb5a7f5faf1a8a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-32b9f870004ccabd.rmeta --extern sc2_proto=/opt/rustwide/target/debug/deps/libsc2_proto-6fead3f60df695b6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-730412b012cad60f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-75d0069d5daa89f7.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-3a13e09a9d9ba490.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ac7cfa7f27b7dc32.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-02dc579a976d9d5b.rmeta --extern websocket=/opt/rustwide/target/debug/deps/libwebsocket-fb872ceba1ddd5b1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e6c78908fdfffdb820c74dba0f61ee2dd012c655cd152be1e4bb5d26ab9c3f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c78908fdfffdb820c74dba0f61ee2dd012c655cd152be1e4bb5d26ab9c3f6a", kill_on_drop: false }`
[INFO] [stdout] e6c78908fdfffdb820c74dba0f61ee2dd012c655cd152be1e4bb5d26ab9c3f6a
