[INFO] cloning repository https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Fi-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Fi-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce98c9b5630f29184cfec49988730ffd7065111
[INFO] documenting ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErnWong%2Fi-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board 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] removed /workspace/builds/worker-5/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board
[INFO] finished tweaking git repo https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board
[INFO] tweaked toml for git repo https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ErnWong/i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 bitintr v0.3.0
[INFO] [stderr]   Downloaded shogi v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3da2d8a304d9657c941aff53115fcdb7a7429940b7ccf2721f100760a25b632
[INFO] running `Command { std: "docker" "start" "-a" "c3da2d8a304d9657c941aff53115fcdb7a7429940b7ccf2721f100760a25b632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3da2d8a304d9657c941aff53115fcdb7a7429940b7ccf2721f100760a25b632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3da2d8a304d9657c941aff53115fcdb7a7429940b7ccf2721f100760a25b632", kill_on_drop: false }`
[INFO] [stdout] c3da2d8a304d9657c941aff53115fcdb7a7429940b7ccf2721f100760a25b632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37be2d32c07232577275fb66278c3e235700a8cce8c2e01ea48be0e4508f34f4
[INFO] running `Command { std: "docker" "start" "-a" "37be2d32c07232577275fb66278c3e235700a8cce8c2e01ea48be0e4508f34f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking cfg-match v0.2.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking shogi v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling yew-macro v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.55
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-render v0.1.0
[INFO] [stderr]     Checking gloo-dialogs v0.1.0
[INFO] [stderr]     Checking gloo-storage v0.1.0
[INFO] [stderr]     Checking gloo-console v0.1.0
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking gloo v0.3.0
[INFO] [stderr]  Documenting i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[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 `i-tried-learning-yew-rust-but-got-transported-to-another-world-and-reincarnated-as-a-shogi-board`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name i_tried_learning_yew_rust_but_got_transported_to_another_world_and_reincarnated_as_a_shogi_board src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04a6b3338474cac6 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-8bcb81a96746c276.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-4bdddf8160a5dc18.rmeta --extern gloo=/opt/rustwide/target/debug/deps/libgloo-54b4a385a3484ab8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5cbeb9f3f4314ff3.rmeta --extern shogi=/opt/rustwide/target/debug/deps/libshogi-7e39d588b0e14603.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-a96c0e9130d170ed.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-6531adbaedff74cb.rmeta --extern yew=/opt/rustwide/target/debug/deps/libyew-5431a6c3cb2f8056.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "37be2d32c07232577275fb66278c3e235700a8cce8c2e01ea48be0e4508f34f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37be2d32c07232577275fb66278c3e235700a8cce8c2e01ea48be0e4508f34f4", kill_on_drop: false }`
[INFO] [stdout] 37be2d32c07232577275fb66278c3e235700a8cce8c2e01ea48be0e4508f34f4