[INFO] fetching crate zhihu-link 0.0.0...
[INFO] documenting zhihu-link-0.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate zhihu-link 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zhihu-link 0.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zhihu-link 0.0.0
[INFO] finished tweaking crates.io crate zhihu-link 0.0.0
[INFO] tweaked toml for crates.io crate zhihu-link 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cssparser v0.31.2
[INFO] [stderr]   Downloaded servo_arc v0.3.0
[INFO] [stderr]   Downloaded selectors v0.25.0
[INFO] [stderr]   Downloaded htmler v0.1.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3ce1f03950c35429644d73932ae907eab31a7a3de9312a29757be004c9794a
[INFO] running `Command { std: "docker" "start" "-a" "3b3ce1f03950c35429644d73932ae907eab31a7a3de9312a29757be004c9794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3ce1f03950c35429644d73932ae907eab31a7a3de9312a29757be004c9794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3ce1f03950c35429644d73932ae907eab31a7a3de9312a29757be004c9794a", kill_on_drop: false }`
[INFO] [stdout] 3b3ce1f03950c35429644d73932ae907eab31a7a3de9312a29757be004c9794a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a426d5fa9b6059cfb3d128c2f8b0147ca17066357dfcc25d89518888e10f71
[INFO] running `Command { std: "docker" "start" "-a" "52a426d5fa9b6059cfb3d128c2f8b0147ca17066357dfcc25d89518888e10f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking dtoa-short v0.3.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]     Checking htmler v0.1.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]  Documenting zhihu-link v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[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 `zhihu-link`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name zhihu_link 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=efd941f6fcb4ec65 -L dependency=/opt/rustwide/target/debug/deps --extern ego_tree=/opt/rustwide/target/debug/deps/libego_tree-879d835b87bde26e.rmeta --extern htmler=/opt/rustwide/target/debug/deps/libhtmler-fb7cbcb290de0519.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-011a48a855be4ae5.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-73b248c8918c1058.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "52a426d5fa9b6059cfb3d128c2f8b0147ca17066357dfcc25d89518888e10f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a426d5fa9b6059cfb3d128c2f8b0147ca17066357dfcc25d89518888e10f71", kill_on_drop: false }`
[INFO] [stdout] 52a426d5fa9b6059cfb3d128c2f8b0147ca17066357dfcc25d89518888e10f71
