[INFO] fetching crate volo-concurrency-limiter 0.1.0...
[INFO] documenting volo-concurrency-limiter-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate volo-concurrency-limiter 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate volo-concurrency-limiter 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate volo-concurrency-limiter 0.1.0
[INFO] finished tweaking crates.io crate volo-concurrency-limiter 0.1.0
[INFO] tweaked toml for crates.io crate volo-concurrency-limiter 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v4.0.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.1.0
[INFO] [stderr]   Downloaded pilota v0.9.0
[INFO] [stderr]   Downloaded volo v0.8.0
[INFO] [stderr]   Downloaded motore-macros v0.4.0
[INFO] [stderr]   Downloaded mur3 v0.1.0
[INFO] [stderr]   Downloaded async-broadcast v0.6.0
[INFO] [stderr]   Downloaded motore v0.4.0
[INFO] [stderr]   Downloaded volo-grpc v0.8.0
[INFO] [stderr]   Downloaded metainfo v0.7.8
[INFO] [stderr]   Downloaded linkedbytes v0.1.8
[INFO] [stderr]   Downloaded faststr v0.2.16
[INFO] [stderr]   Downloaded volo-thrift v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12ddd36219ed839089dc388e5f2b103c9b94d9c7960fd48b14d0f993d547578
[INFO] running `Command { std: "docker" "start" "-a" "b12ddd36219ed839089dc388e5f2b103c9b94d9c7960fd48b14d0f993d547578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12ddd36219ed839089dc388e5f2b103c9b94d9c7960fd48b14d0f993d547578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12ddd36219ed839089dc388e5f2b103c9b94d9c7960fd48b14d0f993d547578", kill_on_drop: false }`
[INFO] [stdout] b12ddd36219ed839089dc388e5f2b103c9b94d9c7960fd48b14d0f993d547578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cabd0ac6d6b737b583780115d6932d61fce52b58b23d23062cbda6316ba7b9bb
[INFO] running `Command { std: "docker" "start" "-a" "cabd0ac6d6b737b583780115d6932d61fce52b58b23d23062cbda6316ba7b9bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking mur3 v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking event-listener-strategy v0.1.0
[INFO] [stderr]     Checking async-broadcast v0.6.0
[INFO] [stderr]     Checking faststr v0.2.16
[INFO] [stderr]    Compiling motore-macros v0.4.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking metainfo v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking motore v0.4.0
[INFO] [stderr]     Checking volo v0.8.0
[INFO] [stderr]  Documenting volo-concurrency-limiter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(impl_trait_in_assoc_type)]
[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 `volo-concurrency-limiter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name volo_concurrency_limiter src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bd4c50bfd194cfc2 -L dependency=/opt/rustwide/target/debug/deps --extern volo=/opt/rustwide/target/debug/deps/libvolo-f928df309b1c575b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cabd0ac6d6b737b583780115d6932d61fce52b58b23d23062cbda6316ba7b9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabd0ac6d6b737b583780115d6932d61fce52b58b23d23062cbda6316ba7b9bb", kill_on_drop: false }`
[INFO] [stdout] cabd0ac6d6b737b583780115d6932d61fce52b58b23d23062cbda6316ba7b9bb
