[INFO] fetching crate neon-runtime 0.10.0...
[INFO] documenting neon-runtime-0.10.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate neon-runtime 0.10.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate neon-runtime 0.10.0 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 neon-runtime 0.10.0
[INFO] finished tweaking crates.io crate neon-runtime 0.10.0
[INFO] tweaked toml for crates.io crate neon-runtime 0.10.0 written to /workspace/builds/worker-9/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 neon-sys v0.10.0
[INFO] [stderr]   Downloaded nodejs-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 63173644827e98f8ed13c011f18d6ac18331db28f5e7c133b6b22f0f383e608c
[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" "63173644827e98f8ed13c011f18d6ac18331db28f5e7c133b6b22f0f383e608c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63173644827e98f8ed13c011f18d6ac18331db28f5e7c133b6b22f0f383e608c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63173644827e98f8ed13c011f18d6ac18331db28f5e7c133b6b22f0f383e608c", kill_on_drop: false }`
[INFO] [stdout] 63173644827e98f8ed13c011f18d6ac18331db28f5e7c133b6b22f0f383e608c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5676d23929531a34de92f8641cb0ead225e415c399390ddac5e50779e49f2d46
[INFO] running `Command { std: "docker" "start" "-a" "5676d23929531a34de92f8641cb0ead225e415c399390ddac5e50779e49f2d46", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting neon-runtime v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled.
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / compile_error!(
[INFO] [stdout] 3 | |     "The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled."
[INFO] [stdout] 4 | | );
[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] [stderr] error: could not document `neon-runtime`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name neon_runtime 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=a46038480f9e9b00 -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1d5297fdf9e8ed94.rmeta --cap-lints=warn --crate-version 0.10.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5676d23929531a34de92f8641cb0ead225e415c399390ddac5e50779e49f2d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5676d23929531a34de92f8641cb0ead225e415c399390ddac5e50779e49f2d46", kill_on_drop: false }`
[INFO] [stdout] 5676d23929531a34de92f8641cb0ead225e415c399390ddac5e50779e49f2d46