[INFO] fetching crate bitwrap_derive_extra 2.0.3...
[INFO] documenting bitwrap_derive_extra-2.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate bitwrap_derive_extra 2.0.3 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate bitwrap_derive_extra 2.0.3 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitwrap_derive_extra 2.0.3
[INFO] finished tweaking crates.io crate bitwrap_derive_extra 2.0.3
[INFO] tweaked toml for crates.io crate bitwrap_derive_extra 2.0.3 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29c406764c013f331820067f789609ab259799c0ef9b7bb8d90f1316805c49c
[INFO] running `Command { std: "docker" "start" "-a" "b29c406764c013f331820067f789609ab259799c0ef9b7bb8d90f1316805c49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29c406764c013f331820067f789609ab259799c0ef9b7bb8d90f1316805c49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29c406764c013f331820067f789609ab259799c0ef9b7bb8d90f1316805c49c", kill_on_drop: false }`
[INFO] [stdout] b29c406764c013f331820067f789609ab259799c0ef9b7bb8d90f1316805c49c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7242c15e5f3be78ad541d8f430c6d9a9bdb9c87b358a6332fd8a402c1049a7
[INFO] running `Command { std: "docker" "start" "-a" "af7242c15e5f3be78ad541d8f430c6d9a9bdb9c87b358a6332fd8a402c1049a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting bitwrap_derive_extra v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "af7242c15e5f3be78ad541d8f430c6d9a9bdb9c87b358a6332fd8a402c1049a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7242c15e5f3be78ad541d8f430c6d9a9bdb9c87b358a6332fd8a402c1049a7", kill_on_drop: false }`
[INFO] [stdout] af7242c15e5f3be78ad541d8f430c6d9a9bdb9c87b358a6332fd8a402c1049a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 53446b143a4d8746d7ca4a0e42bc0ad6f1b6c2325e11824aaf25c9a2308cf095
[INFO] running `Command { std: "docker" "start" "-a" "53446b143a4d8746d7ca4a0e42bc0ad6f1b6c2325e11824aaf25c9a2308cf095", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting bitwrap_derive_extra v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "53446b143a4d8746d7ca4a0e42bc0ad6f1b6c2325e11824aaf25c9a2308cf095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53446b143a4d8746d7ca4a0e42bc0ad6f1b6c2325e11824aaf25c9a2308cf095", kill_on_drop: false }`
[INFO] [stdout] 53446b143a4d8746d7ca4a0e42bc0ad6f1b6c2325e11824aaf25c9a2308cf095