[INFO] cloning repository https://github.com/Logitao/linked-list-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logitao/linked-list-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogitao%2Flinked-list-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogitao%2Flinked-list-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 787c2c6636bca8de25ba15c00e265cd43c0860e9
[INFO] documenting Logitao/linked-list-rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogitao%2Flinked-list-rust" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Logitao/linked-list-rust 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 git repo https://github.com/Logitao/linked-list-rust
[INFO] finished tweaking git repo https://github.com/Logitao/linked-list-rust
[INFO] tweaked toml for git repo https://github.com/Logitao/linked-list-rust written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/Logitao/linked-list-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 66c75e8bed4ef4d1b7e67635f7efc747e235de6b440c954cab3496f0d915f3d1
[INFO] running `Command { std: "docker" "start" "-a" "66c75e8bed4ef4d1b7e67635f7efc747e235de6b440c954cab3496f0d915f3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c75e8bed4ef4d1b7e67635f7efc747e235de6b440c954cab3496f0d915f3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c75e8bed4ef4d1b7e67635f7efc747e235de6b440c954cab3496f0d915f3d1", kill_on_drop: false }`
[INFO] [stdout] 66c75e8bed4ef4d1b7e67635f7efc747e235de6b440c954cab3496f0d915f3d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] d36677ab6ca43bf677c9caf1178e1b4d3e060635fb066d53dd5a35739546e0fb
[INFO] running `Command { std: "docker" "start" "-a" "d36677ab6ca43bf677c9caf1178e1b4d3e060635fb066d53dd5a35739546e0fb", kill_on_drop: false }`
[INFO] [stderr]  Documenting linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]  --> src/node.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | ///     - Any type that implements the ```Copy``` trait
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout]   = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/node.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |       ///     - The current node item, that would be present in the new `Tail`
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 49 | |     ///
[INFO] [stdout]    | |_
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/node.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |       ///     - The current node item, that would be present in the new `Tail`
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 66 | |     ///
[INFO] [stdout]    | |_
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d36677ab6ca43bf677c9caf1178e1b4d3e060635fb066d53dd5a35739546e0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36677ab6ca43bf677c9caf1178e1b4d3e060635fb066d53dd5a35739546e0fb", kill_on_drop: false }`
[INFO] [stdout] d36677ab6ca43bf677c9caf1178e1b4d3e060635fb066d53dd5a35739546e0fb