[INFO] fetching crate blocking 1.2.0...
[INFO] documenting blocking-1.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate blocking 1.2.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate blocking 1.2.0 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 blocking 1.2.0
[INFO] finished tweaking crates.io crate blocking 1.2.0
[INFO] tweaked toml for crates.io crate blocking 1.2.0 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.2.0 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] [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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 2b3d84f4e3c24e3b6aacb47b6e00bce694a95088db99bb8280955a429dd856a7
[INFO] running `Command { std: "docker" "start" "-a" "2b3d84f4e3c24e3b6aacb47b6e00bce694a95088db99bb8280955a429dd856a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3d84f4e3c24e3b6aacb47b6e00bce694a95088db99bb8280955a429dd856a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3d84f4e3c24e3b6aacb47b6e00bce694a95088db99bb8280955a429dd856a7", kill_on_drop: false }`
[INFO] [stdout] 2b3d84f4e3c24e3b6aacb47b6e00bce694a95088db99bb8280955a429dd856a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 6ced8adbf13863a78fbaaeae33a2b4917b9d2b9ae5f0ac1c02d5ef3f1bef187e
[INFO] running `Command { std: "docker" "start" "-a" "6ced8adbf13863a78fbaaeae33a2b4917b9d2b9ae5f0ac1c02d5ef3f1bef187e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]  Documenting blocking v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "6ced8adbf13863a78fbaaeae33a2b4917b9d2b9ae5f0ac1c02d5ef3f1bef187e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ced8adbf13863a78fbaaeae33a2b4917b9d2b9ae5f0ac1c02d5ef3f1bef187e", kill_on_drop: false }`
[INFO] [stdout] 6ced8adbf13863a78fbaaeae33a2b4917b9d2b9ae5f0ac1c02d5ef3f1bef187e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f5d7452870b2e7c83f7c9b64377ea679fbc2e16ea1afd7ec94a2a69e0d18c0c9
[INFO] running `Command { std: "docker" "start" "-a" "f5d7452870b2e7c83f7c9b64377ea679fbc2e16ea1afd7ec94a2a69e0d18c0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]  Documenting blocking v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "f5d7452870b2e7c83f7c9b64377ea679fbc2e16ea1afd7ec94a2a69e0d18c0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d7452870b2e7c83f7c9b64377ea679fbc2e16ea1afd7ec94a2a69e0d18c0c9", kill_on_drop: false }`
[INFO] [stdout] f5d7452870b2e7c83f7c9b64377ea679fbc2e16ea1afd7ec94a2a69e0d18c0c9