[INFO] fetching crate ayaya 2.0.2...
[INFO] documenting ayaya-2.0.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ayaya 2.0.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate ayaya 2.0.2 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-40/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-40/source/rust-toolchain
[INFO] started tweaking crates.io crate ayaya 2.0.2
[INFO] finished tweaking crates.io crate ayaya 2.0.2
[INFO] tweaked toml for crates.io crate ayaya 2.0.2 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate ayaya 2.0.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 779e5a9da0c21d2b07812338194b2e39abd523e16dbea5df8a3df9990bf17f27
[INFO] running `Command { std: "docker" "start" "-a" "779e5a9da0c21d2b07812338194b2e39abd523e16dbea5df8a3df9990bf17f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779e5a9da0c21d2b07812338194b2e39abd523e16dbea5df8a3df9990bf17f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779e5a9da0c21d2b07812338194b2e39abd523e16dbea5df8a3df9990bf17f27", kill_on_drop: false }`
[INFO] [stdout] 779e5a9da0c21d2b07812338194b2e39abd523e16dbea5df8a3df9990bf17f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] c8027e6b91dbb5638235bb5792fd6a7d9520d606258d85e7ed92be9876f0717f
[INFO] running `Command { std: "docker" "start" "-a" "c8027e6b91dbb5638235bb5792fd6a7d9520d606258d85e7ed92be9876f0717f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ayaya v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]  Documenting ayaya v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc_error_handler, naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `ayaya`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ayaya src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c1f1469a7902774d -L dependency=/opt/rustwide/target/debug/deps --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-78387f4badc9e728.rmeta --cap-lints=warn --crate-version 2.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c8027e6b91dbb5638235bb5792fd6a7d9520d606258d85e7ed92be9876f0717f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8027e6b91dbb5638235bb5792fd6a7d9520d606258d85e7ed92be9876f0717f", kill_on_drop: false }`
[INFO] [stdout] c8027e6b91dbb5638235bb5792fd6a7d9520d606258d85e7ed92be9876f0717f