[INFO] fetching crate stivale2 0.1.1...
[INFO] documenting stivale2-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate stivale2 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stivale2 0.1.1 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 crates.io crate stivale2 0.1.1
[INFO] finished tweaking crates.io crate stivale2 0.1.1
[INFO] tweaked toml for crates.io crate stivale2 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 4aaf83c3d9751166982935505493dc26d48d4c88fd6f696a70cacdad501563ee
[INFO] running `Command { std: "docker" "start" "-a" "4aaf83c3d9751166982935505493dc26d48d4c88fd6f696a70cacdad501563ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aaf83c3d9751166982935505493dc26d48d4c88fd6f696a70cacdad501563ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaf83c3d9751166982935505493dc26d48d4c88fd6f696a70cacdad501563ee", kill_on_drop: false }`
[INFO] [stdout] 4aaf83c3d9751166982935505493dc26d48d4c88fd6f696a70cacdad501563ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] d588b99a27ff062d5a306c5e38d285bfb9b36bb2f59a6e07ec2209ac7c1a5548
[INFO] running `Command { std: "docker" "start" "-a" "d588b99a27ff062d5a306c5e38d285bfb9b36bb2f59a6e07ec2209ac7c1a5548", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]  Documenting stivale2 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:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / #![feature(
[INFO] [stdout] 7  | |     const_align_offset,
[INFO] [stdout] 8  | |     const_fn_fn_ptr_basics,     // https://github.com/rust-lang/rust/issues/57563
[INFO] [stdout] 9  | |     const_fn_trait_bound,       // https://github.com/rust-lang/rust/issues/93706
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     const_trait_impl            // https://github.com/rust-lang/rust/issues/67792
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_fn_ptr_basics` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stivale2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name stivale2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=96dac411a7c2ec02 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-22d7f70832a3b85e.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d588b99a27ff062d5a306c5e38d285bfb9b36bb2f59a6e07ec2209ac7c1a5548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d588b99a27ff062d5a306c5e38d285bfb9b36bb2f59a6e07ec2209ac7c1a5548", kill_on_drop: false }`
[INFO] [stdout] d588b99a27ff062d5a306c5e38d285bfb9b36bb2f59a6e07ec2209ac7c1a5548