[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] 2b166e91e541218c2a6660984f8cf8ce77dd1db8
[INFO] documenting SeaLoong/drcom4scut against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeaLoong%2Fdrcom4scut" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SeaLoong/drcom4scut on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] 16477ff4329d2063aa746ff16c0d6369bec9b62d8cb17946cb954b9e9efd331e
[INFO] running `Command { std: "docker" "start" "-a" "16477ff4329d2063aa746ff16c0d6369bec9b62d8cb17946cb954b9e9efd331e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16477ff4329d2063aa746ff16c0d6369bec9b62d8cb17946cb954b9e9efd331e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16477ff4329d2063aa746ff16c0d6369bec9b62d8cb17946cb954b9e9efd331e", kill_on_drop: false }`
[INFO] [stdout] 16477ff4329d2063aa746ff16c0d6369bec9b62d8cb17946cb954b9e9efd331e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 850aa5f97e7693dfa2b5d8f5557b0dc3bde56a292f23a58cf6c6cce2cb2df95e
[INFO] running `Command { std: "docker" "start" "-a" "850aa5f97e7693dfa2b5d8f5557b0dc3bde56a292f23a58cf6c6cce2cb2df95e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pnet_base v0.29.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling pnet v0.29.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking pnet_macros_support v0.29.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking encoding_rs v0.8.30
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking pnet_sys v0.29.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking clap v3.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling pnet_macros v0.29.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking pnet_packet v0.29.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pnet_transport v0.29.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking config v0.12.0
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking pnet_datalink v0.29.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking trust-dns-resolver v0.20.4
[INFO] [stderr]  Documenting drcom4scut v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip, once_cell, array_chunks)]
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip, once_cell, array_chunks)]
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip, once_cell, array_chunks)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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=2021 --crate-type bin --crate-name drcom4scut src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="enablelog"' --cfg 'feature="log4rs"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3231cf7aa9ebddca -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3ff2dcaec82f87b7.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c2490fe4f65d3419.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-1868e75009136767.rmeta --extern config=/opt/rustwide/target/debug/deps/libconfig-6c8c36fbfc3b41ea.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-f7e6a9aacd548995.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-fd5380a1ecd13883.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-e363d6a41d9ffc70.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-096bc36e593519ca.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-a0287405ac950f4e.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-c2fb43ceb2b35cd6.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-55bb43015cefb8b3.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-02417c7cf2e88ef4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-e9d3f215127be5ba.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-dc0d2abfaa318a76.rmeta --cap-lints=warn --crate-version 0.2.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "850aa5f97e7693dfa2b5d8f5557b0dc3bde56a292f23a58cf6c6cce2cb2df95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850aa5f97e7693dfa2b5d8f5557b0dc3bde56a292f23a58cf6c6cce2cb2df95e", kill_on_drop: false }`
[INFO] [stdout] 850aa5f97e7693dfa2b5d8f5557b0dc3bde56a292f23a58cf6c6cce2cb2df95e