[INFO] fetching crate pi_tree 0.1.0...
[INFO] documenting pi_tree-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pi_tree 0.1.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate pi_tree 0.1.0 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 pi_tree 0.1.0
[INFO] finished tweaking crates.io crate pi_tree 0.1.0
[INFO] tweaked toml for crates.io crate pi_tree 0.1.0 written to /workspace/builds/worker-32/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_slotmap v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] f115683501b4a4ce4c3323ff24507da0d41b6aad5efe7967db972a6a995336d7
[INFO] running `Command { std: "docker" "start" "-a" "f115683501b4a4ce4c3323ff24507da0d41b6aad5efe7967db972a6a995336d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f115683501b4a4ce4c3323ff24507da0d41b6aad5efe7967db972a6a995336d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f115683501b4a4ce4c3323ff24507da0d41b6aad5efe7967db972a6a995336d7", kill_on_drop: false }`
[INFO] [stdout] f115683501b4a4ce4c3323ff24507da0d41b6aad5efe7967db972a6a995336d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 4d92aec9055480481d65f9ed19f85f847fff1b6dade45d4cca6360a4b81524db
[INFO] running `Command { std: "docker" "start" "-a" "4d92aec9055480481d65f9ed19f85f847fff1b6dade45d4cca6360a4b81524db", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pi_slotmap v0.1.3
[INFO] [stderr]  Documenting pi_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "4d92aec9055480481d65f9ed19f85f847fff1b6dade45d4cca6360a4b81524db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d92aec9055480481d65f9ed19f85f847fff1b6dade45d4cca6360a4b81524db", kill_on_drop: false }`
[INFO] [stdout] 4d92aec9055480481d65f9ed19f85f847fff1b6dade45d4cca6360a4b81524db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 90ab38a3479795526219d7c5f29985d74a54f152e59896e487e9cc88fc80e6e7
[INFO] running `Command { std: "docker" "start" "-a" "90ab38a3479795526219d7c5f29985d74a54f152e59896e487e9cc88fc80e6e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pi_slotmap v0.1.3
[INFO] [stderr]  Documenting pi_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "90ab38a3479795526219d7c5f29985d74a54f152e59896e487e9cc88fc80e6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ab38a3479795526219d7c5f29985d74a54f152e59896e487e9cc88fc80e6e7", kill_on_drop: false }`
[INFO] [stdout] 90ab38a3479795526219d7c5f29985d74a54f152e59896e487e9cc88fc80e6e7