[INFO] fetching crate resp-result 0.2.3...
[INFO] documenting resp-result-0.2.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate resp-result 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate resp-result 0.2.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate resp-result 0.2.3
[INFO] finished tweaking crates.io crate resp-result 0.2.3
[INFO] tweaked toml for crates.io crate resp-result 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8e0d12684c1a7e5064039878c60ccde1ea620dd4cad40ed4e515e5559fb70a
[INFO] running `Command { std: "docker" "start" "-a" "ae8e0d12684c1a7e5064039878c60ccde1ea620dd4cad40ed4e515e5559fb70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8e0d12684c1a7e5064039878c60ccde1ea620dd4cad40ed4e515e5559fb70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8e0d12684c1a7e5064039878c60ccde1ea620dd4cad40ed4e515e5559fb70a", kill_on_drop: false }`
[INFO] [stdout] ae8e0d12684c1a7e5064039878c60ccde1ea620dd4cad40ed4e515e5559fb70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74254383379ef19bd016e7f87ab9237483b03021267797d9c45c92dbdbe99ced
[INFO] running `Command { std: "docker" "start" "-a" "74254383379ef19bd016e7f87ab9237483b03021267797d9c45c92dbdbe99ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking state v0.5.3
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting resp-result v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait_v2)]
[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 `resp-result`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name resp_result src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4f77edcdd629151b -L dependency=/opt/rustwide/target/debug/deps --extern http=/opt/rustwide/target/debug/deps/libhttp-9fbf04e501cdcf05.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a8241bae34a0cf7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71fd310839342657.rmeta --extern state=/opt/rustwide/target/debug/deps/libstate-6bff07aca24ba34c.rmeta --cap-lints=warn --crate-version 0.2.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "74254383379ef19bd016e7f87ab9237483b03021267797d9c45c92dbdbe99ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74254383379ef19bd016e7f87ab9237483b03021267797d9c45c92dbdbe99ced", kill_on_drop: false }`
[INFO] [stdout] 74254383379ef19bd016e7f87ab9237483b03021267797d9c45c92dbdbe99ced