[INFO] fetching crate scalesocket 0.2.1...
[INFO] documenting scalesocket-0.2.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate scalesocket 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate scalesocket 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scalesocket 0.2.1
[INFO] finished tweaking crates.io crate scalesocket 0.2.1
[INFO] tweaked toml for crates.io crate scalesocket 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate scalesocket 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mark-flaky-tests-macro v1.0.2
[INFO] [stderr]   Downloaded id-pool v0.2.2
[INFO] [stderr]   Downloaded snapbox-macros v0.3.4
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded prometheus-client v0.21.2
[INFO] [stderr]   Downloaded trycmd v0.14.16
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded snapbox v0.4.11
[INFO] [stderr]   Downloaded mark-flaky-tests v1.0.2
[INFO] [stderr]   Downloaded thiserror v1.0.46
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.2
[INFO] [stderr]   Downloaded tokio v1.31.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.2
[INFO] [stderr]   Downloaded sender-sink v0.2.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.46
[INFO] [stderr]   Downloaded windows-targets v0.48.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d660d65a34e5a80c452005000b1b3bcb39b0898d2a6b97ef85476147c700f62f
[INFO] running `Command { std: "docker" "start" "-a" "d660d65a34e5a80c452005000b1b3bcb39b0898d2a6b97ef85476147c700f62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d660d65a34e5a80c452005000b1b3bcb39b0898d2a6b97ef85476147c700f62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d660d65a34e5a80c452005000b1b3bcb39b0898d2a6b97ef85476147c700f62f", kill_on_drop: false }`
[INFO] [stdout] d660d65a34e5a80c452005000b1b3bcb39b0898d2a6b97ef85476147c700f62f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dfb5e889c2a1db4753f201c289ab95d7d0be87220cefdd3f4e98d39a716bc75
[INFO] running `Command { std: "docker" "start" "-a" "6dfb5e889c2a1db4753f201c289ab95d7d0be87220cefdd3f4e98d39a716bc75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling thiserror v1.0.46
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking clap_lex v0.5.0
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[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling prometheus-client v0.21.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking overload v0.1.1
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[INFO] [stderr]     Checking tracing-log v0.1.3
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[INFO] [stderr]     Checking urlencoding v2.1.3
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[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking url v2.4.0
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[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.46
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling num-derive v0.4.0
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap v4.3.21
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking sender-sink v0.2.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]  Documenting scalesocket v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `scalesocket`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name scalesocket src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=87343d1686b8147a -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b95eecdcaa4c1939.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-9bff3326390a4103.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-2e1b2e23815afa36.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-9f64a1ef3a67f44c.rmeta --extern id_pool=/opt/rustwide/target/debug/deps/libid_pool-227fbb08e22270f2.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-8786a8327fd4446a.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-44f6579aef5f7bd7.rmeta --extern prometheus_client=/opt/rustwide/target/debug/deps/libprometheus_client-741a5abe8ff3addb.rmeta --extern sender_sink=/opt/rustwide/target/debug/deps/libsender_sink-7bd53167549b1dc3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-be5382c1b4460089.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6422f546ff3d98c5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d0c9a6bfcef0f9d0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1c9a84518420093b.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-39057310352e25e5.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-a6e6bac1bdd6c80a.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-c56939d3921cea58.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-4f9351112f7bc1ef.rmeta --extern urlencoding=/opt/rustwide/target/debug/deps/liburlencoding-3ecc1e2addf162d3.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-cbddd9dd4f680485.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6dfb5e889c2a1db4753f201c289ab95d7d0be87220cefdd3f4e98d39a716bc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfb5e889c2a1db4753f201c289ab95d7d0be87220cefdd3f4e98d39a716bc75", kill_on_drop: false }`
[INFO] [stdout] 6dfb5e889c2a1db4753f201c289ab95d7d0be87220cefdd3f4e98d39a716bc75
