[INFO] fetching crate accessors 0.0.3...
[INFO] documenting accessors-0.0.3 against nightly for scrape-examples
[INFO] extracting crate accessors 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate accessors 0.0.3 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accessors 0.0.3
[INFO] finished tweaking crates.io crate accessors 0.0.3
[INFO] tweaked toml for crates.io crate accessors 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cfcc94390cc77bc3871ed02980cb01b32a47e0f06f339574eb5bf53a09b9431
[INFO] running `Command { std: "docker" "start" "-a" "4cfcc94390cc77bc3871ed02980cb01b32a47e0f06f339574eb5bf53a09b9431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cfcc94390cc77bc3871ed02980cb01b32a47e0f06f339574eb5bf53a09b9431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfcc94390cc77bc3871ed02980cb01b32a47e0f06f339574eb5bf53a09b9431", kill_on_drop: false }`
[INFO] [stdout] 4cfcc94390cc77bc3871ed02980cb01b32a47e0f06f339574eb5bf53a09b9431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e2b49a8b048a0057dc5fa83e5b827b1198d599815ea80e31b6cce02c0107522
[INFO] running `Command { std: "docker" "start" "-a" "5e2b49a8b048a0057dc5fa83e5b827b1198d599815ea80e31b6cce02c0107522", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking syn v0.9.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]  Documenting accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "5e2b49a8b048a0057dc5fa83e5b827b1198d599815ea80e31b6cce02c0107522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2b49a8b048a0057dc5fa83e5b827b1198d599815ea80e31b6cce02c0107522", kill_on_drop: false }`
[INFO] [stdout] 5e2b49a8b048a0057dc5fa83e5b827b1198d599815ea80e31b6cce02c0107522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e97a223e4a99d3184de94e0d3bfb106be31f1cab6fc9e1d65922c00c667ca7
[INFO] running `Command { std: "docker" "start" "-a" "99e97a223e4a99d3184de94e0d3bfb106be31f1cab6fc9e1d65922c00c667ca7", kill_on_drop: false }`
[INFO] [stderr]  Documenting accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "99e97a223e4a99d3184de94e0d3bfb106be31f1cab6fc9e1d65922c00c667ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e97a223e4a99d3184de94e0d3bfb106be31f1cab6fc9e1d65922c00c667ca7", kill_on_drop: false }`
[INFO] [stdout] 99e97a223e4a99d3184de94e0d3bfb106be31f1cab6fc9e1d65922c00c667ca7