[INFO] fetching crate entity_rust 0.0.8...
[INFO] documenting entity_rust-0.0.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate entity_rust 0.0.8 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate entity_rust 0.0.8 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] started tweaking crates.io crate entity_rust 0.0.8
[INFO] finished tweaking crates.io crate entity_rust 0.0.8
[INFO] tweaked toml for crates.io crate entity_rust 0.0.8 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 shared-mutex v0.3.1
[INFO] [stderr]   Downloaded poison v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] [stdout] e0cbbd4eb5c7a128e45530624b1b5739b83d9ce19d4cd6040192a0f3f202acf6
[INFO] running `Command { std: "docker" "start" "-a" "e0cbbd4eb5c7a128e45530624b1b5739b83d9ce19d4cd6040192a0f3f202acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0cbbd4eb5c7a128e45530624b1b5739b83d9ce19d4cd6040192a0f3f202acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cbbd4eb5c7a128e45530624b1b5739b83d9ce19d4cd6040192a0f3f202acf6", kill_on_drop: false }`
[INFO] [stdout] e0cbbd4eb5c7a128e45530624b1b5739b83d9ce19d4cd6040192a0f3f202acf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 77fd78b6181fac287f95656a193f2bb7c229daacfec7c82b753b8cadf08f31b3
[INFO] running `Command { std: "docker" "start" "-a" "77fd78b6181fac287f95656a193f2bb7c229daacfec7c82b753b8cadf08f31b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking poison v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking shared-mutex v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking uuid v1.1.0
[INFO] [stderr]  Documenting entity_rust v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `entity_rust`
[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(type_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name entity_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6e32d10d2cba64f4 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern shared_mutex=/opt/rustwide/target/debug/deps/libshared_mutex-08844cb64139bdc1.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-161855340a459d35.rmeta --cap-lints=warn --crate-version 0.0.8` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77fd78b6181fac287f95656a193f2bb7c229daacfec7c82b753b8cadf08f31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fd78b6181fac287f95656a193f2bb7c229daacfec7c82b753b8cadf08f31b3", kill_on_drop: false }`
[INFO] [stdout] 77fd78b6181fac287f95656a193f2bb7c229daacfec7c82b753b8cadf08f31b3