[INFO] updating cached repository https://github.com/morimolymoly/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f4d10f8974323015393f1e4ad76714c57535446
[INFO] documenting morimolymoly/rust-playground against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorimolymoly%2Frust-playground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morimolymoly/rust-playground on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morimolymoly/rust-playground
[INFO] finished tweaking git repo https://github.com/morimolymoly/rust-playground
[INFO] tweaked toml for git repo https://github.com/morimolymoly/rust-playground written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/morimolymoly/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a894a1e5ecbb0451c6dada958b98a60cfa1a453462ba4824d41edc81137290c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a894a1e5ecbb0451c6dada958b98a60cfa1a453462ba4824d41edc81137290c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a894a1e5ecbb0451c6dada958b98a60cfa1a453462ba4824d41edc81137290c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a894a1e5ecbb0451c6dada958b98a60cfa1a453462ba4824d41edc81137290c3", kill_on_drop: false }`
[INFO] [stdout] a894a1e5ecbb0451c6dada958b98a60cfa1a453462ba4824d41edc81137290c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae60e8227fa55fbd2bff8919774fa73dd9746bc1efa98c3a4e8e91eaffc728a1
[INFO] running `Command { std: "docker" "start" "-a" "ae60e8227fa55fbd2bff8919774fa73dd9746bc1efa98c3a4e8e91eaffc728a1", kill_on_drop: false }`
[INFO] [stderr]  Documenting ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `returnNekoOrCat` should have a snake case name
[INFO] [stdout]   --> src/neko.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn returnNekoOrCat(neko: bool) -> Box<dyn Animal> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `return_neko_or_cat`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `Die` should have a snake case name
[INFO] [stdout]   --> src/neko.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn Die(&self) {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `die`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Naku` should have a snake case name
[INFO] [stdout]   --> src/neko.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn Naku(&self) {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `naku`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GetOld` should have a snake case name
[INFO] [stdout]   --> src/neko.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn GetOld(&mut self) {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `UnwrapOption` should have a snake case name
[INFO] [stdout]  --> src/option.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn UnwrapOption(op: Option<u64>) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `unwrap_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "ae60e8227fa55fbd2bff8919774fa73dd9746bc1efa98c3a4e8e91eaffc728a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae60e8227fa55fbd2bff8919774fa73dd9746bc1efa98c3a4e8e91eaffc728a1", kill_on_drop: false }`
[INFO] [stdout] ae60e8227fa55fbd2bff8919774fa73dd9746bc1efa98c3a4e8e91eaffc728a1