[INFO] fetching crate curseforge 0.3.1...
[INFO] documenting curseforge-0.3.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate curseforge 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate curseforge 0.3.1 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 curseforge 0.3.1
[INFO] finished tweaking crates.io crate curseforge 0.3.1
[INFO] tweaked toml for crates.io crate curseforge 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.18
[INFO] [stderr]   Downloaded serde_qs v0.9.2
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded awaur v0.2.1
[INFO] [stderr]   Downloaded macro_pub v0.1.0
[INFO] [stderr]   Downloaded async-net v1.8.0
[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] ca77f130a915f274c29ab541c0e87f291cad708523675554b40122d074866938
[INFO] running `Command { std: "docker" "start" "-a" "ca77f130a915f274c29ab541c0e87f291cad708523675554b40122d074866938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca77f130a915f274c29ab541c0e87f291cad708523675554b40122d074866938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca77f130a915f274c29ab541c0e87f291cad708523675554b40122d074866938", kill_on_drop: false }`
[INFO] [stdout] ca77f130a915f274c29ab541c0e87f291cad708523675554b40122d074866938
[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] 85207eea25463f778e32bf99562ded8758092f2f1f1f2385141b5a52c3264e90
[INFO] running `Command { std: "docker" "start" "-a" "85207eea25463f778e32bf99562ded8758092f2f1f1f2385141b5a52c3264e90", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.9+1.58.0
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling macro_pub v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]    Compiling xxhash-rust v0.8.8
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking sluice v0.5.5
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking castaway v0.1.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking awaur v0.2.1
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking serde_qs v0.9.2
[INFO] [stderr]  Documenting curseforge v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 | #![cfg_attr(doc, feature(doc_auto_cfg))]
[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 `curseforge`
[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 curseforge src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="official"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=39540846f09e5dff -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-801d17b80494f302.so --extern awaur=/opt/rustwide/target/debug/deps/libawaur-eea8696065fc549a.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-46f6cebcd48b2915.rmeta --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-55f49d0ab97a7283.rmeta --extern isahc=/opt/rustwide/target/debug/deps/libisahc-6446b77d13473f50.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-05b339ee226caf20.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-496c1122ed08549f.rmeta --extern serde_path_to_error=/opt/rustwide/target/debug/deps/libserde_path_to_error-90c32802fcdfa999.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-23a6ee748707aaf4.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-6f76dd840ef6ff0d.so --extern serde_with=/opt/rustwide/target/debug/deps/libserde_with-9270ab49f4174ef1.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-04afa8a1a8f66a22.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7e72e4ae40eb5f84.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-e89d166ca7f5ff3c.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "85207eea25463f778e32bf99562ded8758092f2f1f1f2385141b5a52c3264e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85207eea25463f778e32bf99562ded8758092f2f1f1f2385141b5a52c3264e90", kill_on_drop: false }`
[INFO] [stdout] 85207eea25463f778e32bf99562ded8758092f2f1f1f2385141b5a52c3264e90
