[INFO] fetching crate polling 2.2.0...
[INFO] documenting polling-2.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate polling 2.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate polling 2.2.0 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 polling 2.2.0
[INFO] finished tweaking crates.io crate polling 2.2.0
[INFO] tweaked toml for crates.io crate polling 2.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate polling 2.2.0 already has a lockfile, it will not be regenerated
[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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 414f7bf9e529c0522e7202e2ead233be51ab886622c55ffc7f9a32c768cac4c5
[INFO] running `Command { std: "docker" "start" "-a" "414f7bf9e529c0522e7202e2ead233be51ab886622c55ffc7f9a32c768cac4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414f7bf9e529c0522e7202e2ead233be51ab886622c55ffc7f9a32c768cac4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414f7bf9e529c0522e7202e2ead233be51ab886622c55ffc7f9a32c768cac4c5", kill_on_drop: false }`
[INFO] [stdout] 414f7bf9e529c0522e7202e2ead233be51ab886622c55ffc7f9a32c768cac4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a68bef5dc25f14640b50121efe7b77a05defde08085817cbbfc3ff577fd13197
[INFO] running `Command { std: "docker" "start" "-a" "a68bef5dc25f14640b50121efe7b77a05defde08085817cbbfc3ff577fd13197", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting polling v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "a68bef5dc25f14640b50121efe7b77a05defde08085817cbbfc3ff577fd13197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68bef5dc25f14640b50121efe7b77a05defde08085817cbbfc3ff577fd13197", kill_on_drop: false }`
[INFO] [stdout] a68bef5dc25f14640b50121efe7b77a05defde08085817cbbfc3ff577fd13197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 8f6a47e5d2af1959a306d279aa7a5cb4371eaf62dd35068ecd3bb9bfe6b9321c
[INFO] running `Command { std: "docker" "start" "-a" "8f6a47e5d2af1959a306d279aa7a5cb4371eaf62dd35068ecd3bb9bfe6b9321c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting polling v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "8f6a47e5d2af1959a306d279aa7a5cb4371eaf62dd35068ecd3bb9bfe6b9321c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6a47e5d2af1959a306d279aa7a5cb4371eaf62dd35068ecd3bb9bfe6b9321c", kill_on_drop: false }`
[INFO] [stdout] 8f6a47e5d2af1959a306d279aa7a5cb4371eaf62dd35068ecd3bb9bfe6b9321c