[INFO] cloning repository https://github.com/ArnaudValensi/vec-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArnaudValensi/vec-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudValensi%2Fvec-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudValensi%2Fvec-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eda4f151026b31a29c5b76f7765b6577a41e665
[INFO] documenting ArnaudValensi/vec-tree against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaudValensi%2Fvec-tree" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArnaudValensi/vec-tree on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArnaudValensi/vec-tree
[INFO] finished tweaking git repo https://github.com/ArnaudValensi/vec-tree
[INFO] tweaked toml for git repo https://github.com/ArnaudValensi/vec-tree written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/ArnaudValensi/vec-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f24e0945dcd63f773e92ade21916538da9138c5c57b42e8fe6c0d33050fa620
[INFO] running `Command { std: "docker" "start" "-a" "5f24e0945dcd63f773e92ade21916538da9138c5c57b42e8fe6c0d33050fa620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f24e0945dcd63f773e92ade21916538da9138c5c57b42e8fe6c0d33050fa620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f24e0945dcd63f773e92ade21916538da9138c5c57b42e8fe6c0d33050fa620", kill_on_drop: false }`
[INFO] [stdout] 5f24e0945dcd63f773e92ade21916538da9138c5c57b42e8fe6c0d33050fa620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7a92a258fc9dceea827e9c7d7f2e327ffe87dbd7f7f6b3bab5d23e320a9a89
[INFO] running `Command { std: "docker" "start" "-a" "dd7a92a258fc9dceea827e9c7d7f2e327ffe87dbd7f7f6b3bab5d23e320a9a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking generational-arena v0.2.0
[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 9.59s
[INFO] running `Command { std: "docker" "inspect" "dd7a92a258fc9dceea827e9c7d7f2e327ffe87dbd7f7f6b3bab5d23e320a9a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7a92a258fc9dceea827e9c7d7f2e327ffe87dbd7f7f6b3bab5d23e320a9a89", kill_on_drop: false }`
[INFO] [stdout] dd7a92a258fc9dceea827e9c7d7f2e327ffe87dbd7f7f6b3bab5d23e320a9a89