[INFO] fetching crate rbo 0.2.6...
[INFO] documenting rbo-0.2.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rbo 0.2.6 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rbo 0.2.6 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 rbo 0.2.6
[INFO] finished tweaking crates.io crate rbo 0.2.6
[INFO] tweaked toml for crates.io crate rbo 0.2.6 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate rbo 0.2.6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 97ffcfff0ca06485bd5274ee58cb03ce7a675e992f2a1eeb55ae80845addad9d
[INFO] running `Command { std: "docker" "start" "-a" "97ffcfff0ca06485bd5274ee58cb03ce7a675e992f2a1eeb55ae80845addad9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ffcfff0ca06485bd5274ee58cb03ce7a675e992f2a1eeb55ae80845addad9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ffcfff0ca06485bd5274ee58cb03ce7a675e992f2a1eeb55ae80845addad9d", kill_on_drop: false }`
[INFO] [stdout] 97ffcfff0ca06485bd5274ee58cb03ce7a675e992f2a1eeb55ae80845addad9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] e972c7d40bc0b61b3b1b9798ba4045b00b5c7a773bb58e307a24050454a52603
[INFO] running `Command { std: "docker" "start" "-a" "e972c7d40bc0b61b3b1b9798ba4045b00b5c7a773bb58e307a24050454a52603", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]  Documenting rbo v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "e972c7d40bc0b61b3b1b9798ba4045b00b5c7a773bb58e307a24050454a52603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e972c7d40bc0b61b3b1b9798ba4045b00b5c7a773bb58e307a24050454a52603", kill_on_drop: false }`
[INFO] [stdout] e972c7d40bc0b61b3b1b9798ba4045b00b5c7a773bb58e307a24050454a52603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c5c793612f600969db65ef681d76a433ae85a212c7ce70644a94022606e281bc
[INFO] running `Command { std: "docker" "start" "-a" "c5c793612f600969db65ef681d76a433ae85a212c7ce70644a94022606e281bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]  Documenting rbo v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "c5c793612f600969db65ef681d76a433ae85a212c7ce70644a94022606e281bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c793612f600969db65ef681d76a433ae85a212c7ce70644a94022606e281bc", kill_on_drop: false }`
[INFO] [stdout] c5c793612f600969db65ef681d76a433ae85a212c7ce70644a94022606e281bc