[INFO] fetching crate serviceless 0.1.1...
[INFO] documenting serviceless-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate serviceless 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate serviceless 0.1.1 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 serviceless 0.1.1
[INFO] finished tweaking crates.io crate serviceless 0.1.1
[INFO] tweaked toml for crates.io crate serviceless 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate serviceless 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d5c7588c6b913983b7649d5e77469511a82001792614850eb6d2c945a92d47c0
[INFO] running `Command { std: "docker" "start" "-a" "d5c7588c6b913983b7649d5e77469511a82001792614850eb6d2c945a92d47c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c7588c6b913983b7649d5e77469511a82001792614850eb6d2c945a92d47c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c7588c6b913983b7649d5e77469511a82001792614850eb6d2c945a92d47c0", kill_on_drop: false }`
[INFO] [stdout] d5c7588c6b913983b7649d5e77469511a82001792614850eb6d2c945a92d47c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bfda60c7bac3469e1e0e8131fa86426d119154a4402da1b9204ca1c2abe7fae7
[INFO] running `Command { std: "docker" "start" "-a" "bfda60c7bac3469e1e0e8131fa86426d119154a4402da1b9204ca1c2abe7fae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]  Documenting serviceless v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_fn_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[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 `serviceless`
[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 lib --crate-name serviceless src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=36a9320823f2b8cb -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-06025de9945b18fe.so --extern log=/opt/rustwide/target/debug/deps/liblog-c2b9fe8f0bb60ac5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-225718b10d33060f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b850e164cc164680.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bfda60c7bac3469e1e0e8131fa86426d119154a4402da1b9204ca1c2abe7fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfda60c7bac3469e1e0e8131fa86426d119154a4402da1b9204ca1c2abe7fae7", kill_on_drop: false }`
[INFO] [stdout] bfda60c7bac3469e1e0e8131fa86426d119154a4402da1b9204ca1c2abe7fae7
