[INFO] fetching crate neovim 0.1.0...
[INFO] documenting neovim-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate neovim 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate neovim 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neovim 0.1.0
[INFO] finished tweaking crates.io crate neovim 0.1.0
[INFO] tweaked toml for crates.io crate neovim 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-05-20" "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] 2ea567c239669314cc1bad0bdd103f27468ba5e6a971625308bb27968e8241d8
[INFO] running `Command { std: "docker" "start" "-a" "2ea567c239669314cc1bad0bdd103f27468ba5e6a971625308bb27968e8241d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea567c239669314cc1bad0bdd103f27468ba5e6a971625308bb27968e8241d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea567c239669314cc1bad0bdd103f27468ba5e6a971625308bb27968e8241d8", kill_on_drop: false }`
[INFO] [stdout] 2ea567c239669314cc1bad0bdd103f27468ba5e6a971625308bb27968e8241d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac717efb4b40fa3db2ec2af5265f0a1b2ee95cebdd9a830a8209e6232c742b2a
[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" "ac717efb4b40fa3db2ec2af5265f0a1b2ee95cebdd9a830a8209e6232c742b2a", kill_on_drop: false }`
[INFO] [stderr]     Checking mpack v0.1.2
[INFO] [stderr]  Documenting neovim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "ac717efb4b40fa3db2ec2af5265f0a1b2ee95cebdd9a830a8209e6232c742b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac717efb4b40fa3db2ec2af5265f0a1b2ee95cebdd9a830a8209e6232c742b2a", kill_on_drop: false }`
[INFO] [stdout] ac717efb4b40fa3db2ec2af5265f0a1b2ee95cebdd9a830a8209e6232c742b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] baf4a90012e4d58a6a9f0bb8c803f854f3cac373cc9073fd335f4a6765da2ebf
[INFO] running `Command { std: "docker" "start" "-a" "baf4a90012e4d58a6a9f0bb8c803f854f3cac373cc9073fd335f4a6765da2ebf", kill_on_drop: false }`
[INFO] [stderr]     Checking mpack v0.1.2
[INFO] [stderr]  Documenting neovim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "baf4a90012e4d58a6a9f0bb8c803f854f3cac373cc9073fd335f4a6765da2ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf4a90012e4d58a6a9f0bb8c803f854f3cac373cc9073fd335f4a6765da2ebf", kill_on_drop: false }`
[INFO] [stdout] baf4a90012e4d58a6a9f0bb8c803f854f3cac373cc9073fd335f4a6765da2ebf