[INFO] cloning repository https://github.com/SOF3/rust-web-game-skeleton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SOF3/rust-web-game-skeleton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSOF3%2Frust-web-game-skeleton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSOF3%2Frust-web-game-skeleton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fbbe7b7955d14e4988417d8aae5c912adde13a1
[INFO] documenting SOF3/rust-web-game-skeleton 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%2FSOF3%2Frust-web-game-skeleton" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SOF3/rust-web-game-skeleton 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-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/SOF3/rust-web-game-skeleton
[INFO] finished tweaking git repo https://github.com/SOF3/rust-web-game-skeleton
[INFO] tweaked toml for git repo https://github.com/SOF3/rust-web-game-skeleton written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/SOF3/rust-web-game-skeleton 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crc64fast v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.122
[INFO] [stderr]   Downloaded serde_derive v1.0.122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 335a4c2e1c6b6eb8c438655af847374a090125949b7e591864f44a62e2b52bd5
[INFO] running `Command { std: "docker" "start" "-a" "335a4c2e1c6b6eb8c438655af847374a090125949b7e591864f44a62e2b52bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335a4c2e1c6b6eb8c438655af847374a090125949b7e591864f44a62e2b52bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335a4c2e1c6b6eb8c438655af847374a090125949b7e591864f44a62e2b52bd5", kill_on_drop: false }`
[INFO] [stdout] 335a4c2e1c6b6eb8c438655af847374a090125949b7e591864f44a62e2b52bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 7f262be0ea84ee5c8da1eba3c6d925b37a551e364b0dc008affd8bc66c5fa5c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f262be0ea84ee5c8da1eba3c6d925b37a551e364b0dc008affd8bc66c5fa5c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde_derive v1.0.122
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling serde v1.0.122
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling yew v0.17.4
[INFO] [stderr]    Compiling crc64fast v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]  Documenting rust-web-game-skeleton-codegen v0.2.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling yew-macro v0.17.0
[INFO] [stderr]    Compiling rust-web-game-skeleton-codegen v0.2.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.46
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.19
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking rust-web-game-skeleton-common v0.2.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]  Documenting rust-web-game-skeleton-common v0.2.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]  Documenting rust-web-game-skeleton-server v0.2.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]  Documenting rust-web-game-skeleton-client v0.2.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> client/src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(bool_to_option)]
[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 `rust-web-game-skeleton-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name rust_web_game_skeleton_client client/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f85ff62a12709ae5 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-4157d843ebbebce6.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-804aa9f8c89a53bb.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-5ddacf85cd390ed0.rmeta --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-2812b8d0e980732f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-23692f5c9be79552.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a8d8aeabf77f5d87.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-c3215b3e514d85a1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-49226c2da75eacc7.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-615e5b7704e748de.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-e1cfa7849f3f5e0b.rmeta --extern wasm_logger=/opt/rustwide/target/debug/deps/libwasm_logger-f331806f61511025.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-e7a17bbb1c607f59.rmeta --extern yew=/opt/rustwide/target/debug/deps/libyew-e86efc7914c497c6.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7f262be0ea84ee5c8da1eba3c6d925b37a551e364b0dc008affd8bc66c5fa5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f262be0ea84ee5c8da1eba3c6d925b37a551e364b0dc008affd8bc66c5fa5c4", kill_on_drop: false }`
[INFO] [stdout] 7f262be0ea84ee5c8da1eba3c6d925b37a551e364b0dc008affd8bc66c5fa5c4