[INFO] fetching crate vec-tree 0.1.2...
[INFO] documenting vec-tree-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate vec-tree 0.1.2 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate vec-tree 0.1.2 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 vec-tree 0.1.2
[INFO] finished tweaking crates.io crate vec-tree 0.1.2
[INFO] tweaked toml for crates.io crate vec-tree 0.1.2 written to /workspace/builds/worker-30/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] [stderr]     Blocking waiting for file lock on package cache
[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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 9a141e63247097ba7aa43fea11bca5d5bc4240465f8baab1e10244410036b615
[INFO] running `Command { std: "docker" "start" "-a" "9a141e63247097ba7aa43fea11bca5d5bc4240465f8baab1e10244410036b615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a141e63247097ba7aa43fea11bca5d5bc4240465f8baab1e10244410036b615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a141e63247097ba7aa43fea11bca5d5bc4240465f8baab1e10244410036b615", kill_on_drop: false }`
[INFO] [stdout] 9a141e63247097ba7aa43fea11bca5d5bc4240465f8baab1e10244410036b615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 1d828da946e85a2a6701d6fa010616735a41c31d25acc2d427ebe343b4ea1620
[INFO] running `Command { std: "docker" "start" "-a" "1d828da946e85a2a6701d6fa010616735a41c31d25acc2d427ebe343b4ea1620", kill_on_drop: false }`
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]  Documenting vec-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:840:5
[INFO] [stdout]     |
[INFO] [stdout] 840 | /// https://en.wikipedia.org/wiki/Tree_traversal#Pre-order_(NLR)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Tree_traversal#Pre-order>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 | /// https://en.wikipedia.org/wiki/Tree_traversal#Pre-order_(NLR)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Tree_traversal#Pre-order>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "1d828da946e85a2a6701d6fa010616735a41c31d25acc2d427ebe343b4ea1620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d828da946e85a2a6701d6fa010616735a41c31d25acc2d427ebe343b4ea1620", kill_on_drop: false }`
[INFO] [stdout] 1d828da946e85a2a6701d6fa010616735a41c31d25acc2d427ebe343b4ea1620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 2ef79f6b45a0a2dc2966e2aa36934656b801e9a296af16b162fe1d9eb0395be1
[INFO] running `Command { std: "docker" "start" "-a" "2ef79f6b45a0a2dc2966e2aa36934656b801e9a296af16b162fe1d9eb0395be1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]  Documenting vec-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:840:5
[INFO] [stdout]     |
[INFO] [stdout] 840 | /// https://en.wikipedia.org/wiki/Tree_traversal#Pre-order_(NLR)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Tree_traversal#Pre-order>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 | /// https://en.wikipedia.org/wiki/Tree_traversal#Pre-order_(NLR)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Tree_traversal#Pre-order>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2ef79f6b45a0a2dc2966e2aa36934656b801e9a296af16b162fe1d9eb0395be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef79f6b45a0a2dc2966e2aa36934656b801e9a296af16b162fe1d9eb0395be1", kill_on_drop: false }`
[INFO] [stdout] 2ef79f6b45a0a2dc2966e2aa36934656b801e9a296af16b162fe1d9eb0395be1