[INFO] fetching crate zekin_data_structure 1.0.0...
[INFO] documenting zekin_data_structure-1.0.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate zekin_data_structure 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate zekin_data_structure 1.0.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zekin_data_structure 1.0.0
[INFO] finished tweaking crates.io crate zekin_data_structure 1.0.0
[INFO] tweaked toml for crates.io crate zekin_data_structure 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 958ffb2f2792075b045f4823653e7d1a7c916d1b7b94603d3da6c464c4cc3a1a
[INFO] running `Command { std: "docker" "start" "-a" "958ffb2f2792075b045f4823653e7d1a7c916d1b7b94603d3da6c464c4cc3a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958ffb2f2792075b045f4823653e7d1a7c916d1b7b94603d3da6c464c4cc3a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958ffb2f2792075b045f4823653e7d1a7c916d1b7b94603d3da6c464c4cc3a1a", kill_on_drop: false }`
[INFO] [stdout] 958ffb2f2792075b045f4823653e7d1a7c916d1b7b94603d3da6c464c4cc3a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c305734b173ae0c02ecb28b7d415617113fca7689fc9d26053886e0212ece6
[INFO] running `Command { std: "docker" "start" "-a" "e8c305734b173ae0c02ecb28b7d415617113fca7689fc9d26053886e0212ece6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling bumpalo v3.12.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.34
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.84
[INFO] [stderr]     Checking js-sys v0.3.61
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.34
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.34
[INFO] [stderr]  Documenting zekin_data_structure v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(get_mut_unchecked)]
[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 `zekin_data_structure`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name zekin_data_structure src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ef252eae88e16ef7 -L dependency=/opt/rustwide/target/debug/deps --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-7db6f8edc6cc97a8.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-ea8d9f19d1bdab29.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-23260fd0bc55da8b.rmeta --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-8929de59ba213656.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e83dc2406577e617.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-700e69cc00638fc8.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-0366b35a89a9beb5.rmeta --extern wasm_bindgen_test=/opt/rustwide/target/debug/deps/libwasm_bindgen_test-9f966247af54e193.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e8c305734b173ae0c02ecb28b7d415617113fca7689fc9d26053886e0212ece6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c305734b173ae0c02ecb28b7d415617113fca7689fc9d26053886e0212ece6", kill_on_drop: false }`
[INFO] [stdout] e8c305734b173ae0c02ecb28b7d415617113fca7689fc9d26053886e0212ece6
