[INFO] fetching crate tokio-io-utility 0.6.6...
[INFO] documenting tokio-io-utility-0.6.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tokio-io-utility 0.6.6 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tokio-io-utility 0.6.6 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 tokio-io-utility 0.6.6
[INFO] finished tweaking crates.io crate tokio-io-utility 0.6.6
[INFO] tweaked toml for crates.io crate tokio-io-utility 0.6.6 written to /workspace/builds/worker-21/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] [stderr]     Blocking waiting for file lock on package cache
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 75efbb9c8939b706e42ee8b534f2539889e1a5ffb8e804a307ecdcc711c13c40
[INFO] running `Command { std: "docker" "start" "-a" "75efbb9c8939b706e42ee8b534f2539889e1a5ffb8e804a307ecdcc711c13c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75efbb9c8939b706e42ee8b534f2539889e1a5ffb8e804a307ecdcc711c13c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75efbb9c8939b706e42ee8b534f2539889e1a5ffb8e804a307ecdcc711c13c40", kill_on_drop: false }`
[INFO] [stdout] 75efbb9c8939b706e42ee8b534f2539889e1a5ffb8e804a307ecdcc711c13c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] a417a9cb4d8c4840b3dca98c4d2557f3384790c26cfccc74ac694912efbd242d
[INFO] running `Command { std: "docker" "start" "-a" "a417a9cb4d8c4840b3dca98c4d2557f3384790c26cfccc74ac694912efbd242d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]  Documenting tokio-io-utility v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "a417a9cb4d8c4840b3dca98c4d2557f3384790c26cfccc74ac694912efbd242d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a417a9cb4d8c4840b3dca98c4d2557f3384790c26cfccc74ac694912efbd242d", kill_on_drop: false }`
[INFO] [stdout] a417a9cb4d8c4840b3dca98c4d2557f3384790c26cfccc74ac694912efbd242d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 322fde35a80ce105e84783141ba2721340164b48a894f66cb9a2a8c8e3f24b0e
[INFO] running `Command { std: "docker" "start" "-a" "322fde35a80ce105e84783141ba2721340164b48a894f66cb9a2a8c8e3f24b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]  Documenting tokio-io-utility v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "322fde35a80ce105e84783141ba2721340164b48a894f66cb9a2a8c8e3f24b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322fde35a80ce105e84783141ba2721340164b48a894f66cb9a2a8c8e3f24b0e", kill_on_drop: false }`
[INFO] [stdout] 322fde35a80ce105e84783141ba2721340164b48a894f66cb9a2a8c8e3f24b0e