[INFO] fetching crate zekin_data_structure 1.0.0...
[INFO] documenting zekin_data_structure-1.0.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate zekin_data_structure 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zekin_data_structure 1.0.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-tc1/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" "+1.69.0" "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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1b13f48627799b29f7476327a5b10e81ed38937697406e4023614036268da5
[INFO] running `Command { std: "docker" "start" "-a" "ce1b13f48627799b29f7476327a5b10e81ed38937697406e4023614036268da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1b13f48627799b29f7476327a5b10e81ed38937697406e4023614036268da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1b13f48627799b29f7476327a5b10e81ed38937697406e4023614036268da5", kill_on_drop: false }`
[INFO] [stdout] ce1b13f48627799b29f7476327a5b10e81ed38937697406e4023614036268da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdfcf70c355736330bea44ae4ff5886b53b39e8691d78007cddaa2b3837046db
[INFO] running `Command { std: "docker" "start" "-a" "cdfcf70c355736330bea44ae4ff5886b53b39e8691d78007cddaa2b3837046db", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.34
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 serde_json v1.0.96
[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 stable 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=209c020fe1f5278f -L dependency=/opt/rustwide/target/debug/deps --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-12804593e7f272a5.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-1772a0fb7308b600.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6496bfd5e2bbeb91.rmeta --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-5f036fba9f439447.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7f5aa0c9c57e86c5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9f766820a7671020.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-e8237cfd1aa03eaf.rmeta --extern wasm_bindgen_test=/opt/rustwide/target/debug/deps/libwasm_bindgen_test-9c2924d5c9613c58.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cdfcf70c355736330bea44ae4ff5886b53b39e8691d78007cddaa2b3837046db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfcf70c355736330bea44ae4ff5886b53b39e8691d78007cddaa2b3837046db", kill_on_drop: false }`
[INFO] [stdout] cdfcf70c355736330bea44ae4ff5886b53b39e8691d78007cddaa2b3837046db
