[INFO] cloning repository https://github.com/xxscloud5722/socketx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xxscloud5722/socketx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxscloud5722%2Fsocketx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxscloud5722%2Fsocketx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41bb41bc062b5b66ba8af0110432a7e6c8888644
[INFO] documenting xxscloud5722/socketx against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxscloud5722%2Fsocketx" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xxscloud5722/socketx on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xxscloud5722/socketx
[INFO] finished tweaking git repo https://github.com/xxscloud5722/socketx
[INFO] tweaked toml for git repo https://github.com/xxscloud5722/socketx written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/xxscloud5722/socketx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: source
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.6
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.6
[INFO] [stderr]   Downloaded actix-router v0.2.6
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded shaku v0.6.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.16
[INFO] [stderr]   Downloaded actix-multipart v0.3.0
[INFO] [stderr]   Downloaded sha-1 v0.9.3
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded shaku_derive v0.6.0
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded ordered-float v2.1.1
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "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] d29aa58b67955f41674bab1825bafa4922d1f61954076ed4a489f98d2a794246
[INFO] running `Command { std: "docker" "start" "-a" "d29aa58b67955f41674bab1825bafa4922d1f61954076ed4a489f98d2a794246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29aa58b67955f41674bab1825bafa4922d1f61954076ed4a489f98d2a794246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29aa58b67955f41674bab1825bafa4922d1f61954076ed4a489f98d2a794246", kill_on_drop: false }`
[INFO] [stdout] d29aa58b67955f41674bab1825bafa4922d1f61954076ed4a489f98d2a794246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "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] 44f77bfcee9a1e13d4af6a6b7e1cadead7abd997bceac850f21542732198cc10
[INFO] running `Command { std: "docker" "start" "-a" "44f77bfcee9a1e13d4af6a6b7e1cadead7abd997bceac850f21542732198cc10", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: source
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling shaku_derive v0.6.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking shaku v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.16
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking actix-router v0.2.6
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix v0.10.0
[INFO] [stderr]     Checking actix-http v2.2.0
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.2
[INFO] [stderr]     Checking actix-web-actors v3.0.0
[INFO] [stderr]     Checking actix-multipart v0.3.0
[INFO] [stderr]  Documenting socketx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `socketx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name socketx src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ca8ae68913da2f32 -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-8863ea9c9ef3da93.rmeta --extern actix_multipart=/opt/rustwide/target/debug/deps/libactix_multipart-38adfc1299615fcc.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-7acafcca34a3376e.rmeta --extern actix_web_actors=/opt/rustwide/target/debug/deps/libactix_web_actors-84e5b902375e2f91.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-682238fdb7ab919b.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cf100024c2acb830.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-8a538dbbd9664799.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-45f73c327f7c7c98.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-423e24039771e10f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern libflate=/opt/rustwide/target/debug/deps/liblibflate-b9a7b71c012c957e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-47840fa71d8987f1.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-42ca1d0027a53924.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5c2403b745801fc4.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bf8282d50217b1f8.rmeta --extern shaku=/opt/rustwide/target/debug/deps/libshaku-e4b5b8661b3f15bf.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-54c211e0c8f88786.rmeta --extern urlencoding=/opt/rustwide/target/debug/deps/liburlencoding-ac03c9190f786a51.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-62939eb1281c8df6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "44f77bfcee9a1e13d4af6a6b7e1cadead7abd997bceac850f21542732198cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f77bfcee9a1e13d4af6a6b7e1cadead7abd997bceac850f21542732198cc10", kill_on_drop: false }`
[INFO] [stdout] 44f77bfcee9a1e13d4af6a6b7e1cadead7abd997bceac850f21542732198cc10