[INFO] cloning repository https://github.com/SeaLoong/drcom4scut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SeaLoong/drcom4scut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeaLoong%2Fdrcom4scut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeaLoong%2Fdrcom4scut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662c23d141c6aac792abb3f3d35d6845745dd98e
[INFO] documenting SeaLoong/drcom4scut against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeaLoong%2Fdrcom4scut" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SeaLoong/drcom4scut on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SeaLoong/drcom4scut
[INFO] finished tweaking git repo https://github.com/SeaLoong/drcom4scut
[INFO] tweaked toml for git repo https://github.com/SeaLoong/drcom4scut written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SeaLoong/drcom4scut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b549ba949a9abba7389441613e8283dc1fccd093b74a4d8e1050c30838ce12
[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" "50b549ba949a9abba7389441613e8283dc1fccd093b74a4d8e1050c30838ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b549ba949a9abba7389441613e8283dc1fccd093b74a4d8e1050c30838ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b549ba949a9abba7389441613e8283dc1fccd093b74a4d8e1050c30838ce12", kill_on_drop: false }`
[INFO] [stdout] 50b549ba949a9abba7389441613e8283dc1fccd093b74a4d8e1050c30838ce12
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab9a92e0aa5d2653f1720cbb544826dc1b8eeb367e09964a0495ee6fce9d00bc
[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" "ab9a92e0aa5d2653f1720cbb544826dc1b8eeb367e09964a0495ee6fce9d00bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking pnet v0.26.0
[INFO] [stderr]  Documenting drcom4scut v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ip)]
[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 `drcom4scut`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name drcom4scut src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-060d9d2e342fea55.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6d91549e255c4a33.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-01cfab8e0f4cc93d.rmeta --extern config=/opt/rustwide/target/debug/deps/libconfig-78c7d30a477f7efa.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-6d6f996f3fcebfd6.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-6ad76a6ec48d0305.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-9b9149e9f18db67f.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-1c174f2978ab8ecf.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-be488478ad749782.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-ff467c1e13e45ad1.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-972aee80150aca03.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-de909bae6f7741a1.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-02caac121ffec0ab.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-1d5536a6d0ae791b.rmeta --cap-lints=warn --crate-version 0.2.3` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ab9a92e0aa5d2653f1720cbb544826dc1b8eeb367e09964a0495ee6fce9d00bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9a92e0aa5d2653f1720cbb544826dc1b8eeb367e09964a0495ee6fce9d00bc", kill_on_drop: false }`
[INFO] [stdout] ab9a92e0aa5d2653f1720cbb544826dc1b8eeb367e09964a0495ee6fce9d00bc
