[INFO] cloning repository https://github.com/mythal/boluo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mythal/boluo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythal%2Fboluo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythal%2Fboluo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42a8b37c36d8b08a6fc70ec08d57bb5ed853249e
[INFO] documenting mythal/boluo-server 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%2Fmythal%2Fboluo-server" "/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/mythal/boluo-server 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/mythal/boluo-server
[INFO] finished tweaking git repo https://github.com/mythal/boluo-server
[INFO] tweaked toml for git repo https://github.com/mythal/boluo-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mythal/boluo-server 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac v0.12.1
[INFO] [stderr]   Downloaded sentry-types v0.23.0
[INFO] [stderr]   Downloaded debugid v0.7.3
[INFO] [stderr]   Downloaded arc-swap v1.5.0
[INFO] [stderr]   Downloaded postgres v0.19.2
[INFO] [stderr]   Downloaded redis v0.21.5
[INFO] [stderr]   Downloaded sentry-contexts v0.23.0
[INFO] [stderr]   Downloaded blake3 v1.3.1
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr]   Downloaded tokio-postgres v0.7.5
[INFO] [stderr]   Downloaded sentry-panic v0.23.0
[INFO] [stderr]   Downloaded postgres-protocol v0.6.3
[INFO] [stderr]   Downloaded sentry-core v0.23.0
[INFO] [stderr]   Downloaded sentry v0.23.0
[INFO] [stderr]   Downloaded postgres-types v0.2.2
[INFO] [stderr]   Downloaded postgres-derive v0.4.1
[INFO] [stderr]   Downloaded sentry-backtrace v0.23.0
[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" "+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] 9359e80ea408c24b8080f25209dc8a137daa7ef400be09868811c91a6307f525
[INFO] running `Command { std: "docker" "start" "-a" "9359e80ea408c24b8080f25209dc8a137daa7ef400be09868811c91a6307f525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9359e80ea408c24b8080f25209dc8a137daa7ef400be09868811c91a6307f525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9359e80ea408c24b8080f25209dc8a137daa7ef400be09868811c91a6307f525", kill_on_drop: false }`
[INFO] [stdout] 9359e80ea408c24b8080f25209dc8a137daa7ef400be09868811c91a6307f525
[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" "+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] 012f8b8e0e3cafc8bc2a162cff0b7c815cb12a7753f78896e695e4d5a935906e
[INFO] running `Command { std: "docker" "start" "-a" "012f8b8e0e3cafc8bc2a162cff0b7c815cb12a7753f78896e695e4d5a935906e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking encoding_rs v0.8.30
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking parking_lot_core v0.9.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking tracing v0.1.31
[INFO] [stderr]    Compiling sentry-contexts v0.23.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking postgres-protocol v0.6.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling postgres-derive v0.4.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking debugid v0.7.3
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking sentry-types v0.23.0
[INFO] [stderr]     Checking postgres-types v0.2.2
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-postgres v0.7.5
[INFO] [stderr]     Checking redis v0.21.5
[INFO] [stderr]     Checking sentry-core v0.23.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking postgres v0.19.2
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking sentry-backtrace v0.23.0
[INFO] [stderr]     Checking sentry-panic v0.23.0
[INFO] [stderr]     Checking sentry v0.23.0
[INFO] [stderr]  Documenting boluo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/server.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace)]
[INFO] [stdout]   |            ^^^^^^^^^
[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 `boluo_server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name server src/server.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=452fef45a6234190 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ee185080059e5b20.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-bd9d0674eb5530f4.so --extern base64=/opt/rustwide/target/debug/deps/libbase64-8bcb81a96746c276.rmeta --extern blake3=/opt/rustwide/target/debug/deps/libblake3-17ce3d01d40cc680.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-57de1f6d7c9c6f6c.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-37fe6faab492d15d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-1392b4b8fc05051c.rmeta --extern cookie=/opt/rustwide/target/debug/deps/libcookie-d84beabce78ef364.rmeta --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-c54de198b3032bd2.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-a7b9edffd3c45857.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-236c7001a84ba5fe.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7d523b830961d2d0.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f0311b1beeb300c3.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1e3c371ab90a7930.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-1d79507d89b2ca88.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-e14ab7d5dc83d37b.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-34a4ccf2494fe9ba.rmeta --extern postgres=/opt/rustwide/target/debug/deps/libpostgres-28888c51e0f5c699.rmeta --extern postgres_types=/opt/rustwide/target/debug/deps/libpostgres_types-a78c0f6e536c2977.rmeta --extern redis=/opt/rustwide/target/debug/deps/libredis-2ceb5679d6756dee.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f4f894daf3d547b8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-68635f3d322e52e3.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-d230ec215b3f16c7.rmeta --extern sentry=/opt/rustwide/target/debug/deps/libsentry-76bcc9ba15075a44.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ea49c55674c63602.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3f8693832979e8da.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-3608b2462e9ae4cb.so --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-69bf897f02171ccc.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-8eef5c67ff742d7c.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-1b5fb3077faefeb4.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b0b7bb99824f7614.rmeta --extern tokio_postgres=/opt/rustwide/target/debug/deps/libtokio_postgres-abba34c912a86b92.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-9807be94dc50ab7a.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-5dcee31b40c0375d.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-05e1b453bd7bc04c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "012f8b8e0e3cafc8bc2a162cff0b7c815cb12a7753f78896e695e4d5a935906e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012f8b8e0e3cafc8bc2a162cff0b7c815cb12a7753f78896e695e4d5a935906e", kill_on_drop: false }`
[INFO] [stdout] 012f8b8e0e3cafc8bc2a162cff0b7c815cb12a7753f78896e695e4d5a935906e