[INFO] fetching crate patricia_tree 0.3.1...
[INFO] documenting patricia_tree-0.3.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate patricia_tree 0.3.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate patricia_tree 0.3.1 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 patricia_tree 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate patricia_tree 0.3.1
[INFO] tweaked toml for crates.io crate patricia_tree 0.3.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate patricia_tree 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded trackable_derive v0.1.2
[INFO] [stderr]   Downloaded bytecodec v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 65f3acd74c29c056bdb7808f704c80b5dfa227462265c41b8ea7e944e31469fb
[INFO] running `Command { std: "docker" "start" "-a" "65f3acd74c29c056bdb7808f704c80b5dfa227462265c41b8ea7e944e31469fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f3acd74c29c056bdb7808f704c80b5dfa227462265c41b8ea7e944e31469fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f3acd74c29c056bdb7808f704c80b5dfa227462265c41b8ea7e944e31469fb", kill_on_drop: false }`
[INFO] [stdout] 65f3acd74c29c056bdb7808f704c80b5dfa227462265c41b8ea7e944e31469fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 64e1086ccf68166a2fea3733c167e04dd1e75ca4db30f68f28c1fb931663c8db
[INFO] running `Command { std: "docker" "start" "-a" "64e1086ccf68166a2fea3733c167e04dd1e75ca4db30f68f28c1fb931663c8db", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]  Documenting patricia_tree v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "64e1086ccf68166a2fea3733c167e04dd1e75ca4db30f68f28c1fb931663c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e1086ccf68166a2fea3733c167e04dd1e75ca4db30f68f28c1fb931663c8db", kill_on_drop: false }`
[INFO] [stdout] 64e1086ccf68166a2fea3733c167e04dd1e75ca4db30f68f28c1fb931663c8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6a4e938a11edd0e712ae6b356d7284fef98296eb2e247da1bae3a238bc847ab5
[INFO] running `Command { std: "docker" "start" "-a" "6a4e938a11edd0e712ae6b356d7284fef98296eb2e247da1bae3a238bc847ab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.12
[INFO] [stderr]  Documenting patricia_tree v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "6a4e938a11edd0e712ae6b356d7284fef98296eb2e247da1bae3a238bc847ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4e938a11edd0e712ae6b356d7284fef98296eb2e247da1bae3a238bc847ab5", kill_on_drop: false }`
[INFO] [stdout] 6a4e938a11edd0e712ae6b356d7284fef98296eb2e247da1bae3a238bc847ab5