[INFO] updating cached repository https://github.com/OtterCode/population-sim
[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] 8908d5e208f712de10ce51ada4819450824d4773
[INFO] documenting OtterCode/population-sim against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtterCode%2Fpopulation-sim" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OtterCode/population-sim 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/OtterCode/population-sim
[INFO] finished tweaking git repo https://github.com/OtterCode/population-sim
[INFO] tweaked toml for git repo https://github.com/OtterCode/population-sim written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/OtterCode/population-sim 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c8c9dc2b57f9aa17d1bb44b2be56e7145b95e12545d647ea5ce4cf018be70ceb
[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" "c8c9dc2b57f9aa17d1bb44b2be56e7145b95e12545d647ea5ce4cf018be70ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c9dc2b57f9aa17d1bb44b2be56e7145b95e12545d647ea5ce4cf018be70ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c9dc2b57f9aa17d1bb44b2be56e7145b95e12545d647ea5ce4cf018be70ceb", kill_on_drop: false }`
[INFO] [stdout] c8c9dc2b57f9aa17d1bb44b2be56e7145b95e12545d647ea5ce4cf018be70ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6a7da92e4b618ad350b4bf6c81d0de27c8f85ddca95a726e47cc55dc24f13e80
[INFO] running `Command { std: "docker" "start" "-a" "6a7da92e4b618ad350b4bf6c81d0de27c8f85ddca95a726e47cc55dc24f13e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking serde v1.0.53
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]    Compiling webview-sys v0.1.0
[INFO] [stderr]     Checking web-view v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]     Checking pop_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pop_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/population/cohort/heligman_pollard.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `consequences`
[INFO] [stdout]   --> src/population/attributes.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn advance_year(&self, consequences: &HashMap<&str, Consequence>) -> (AttributeData, Consequence) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_consequences`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance_year`
[INFO] [stdout]   --> src/population/attributes.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn advance_year(&self, consequences: &HashMap<&str, Consequence>) -> (AttributeData, Consequence) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Consequence`
[INFO] [stdout]   --> src/population/attributes.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Consequence {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.02s
[INFO] running `Command { std: "docker" "inspect" "6a7da92e4b618ad350b4bf6c81d0de27c8f85ddca95a726e47cc55dc24f13e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7da92e4b618ad350b4bf6c81d0de27c8f85ddca95a726e47cc55dc24f13e80", kill_on_drop: false }`
[INFO] [stdout] 6a7da92e4b618ad350b4bf6c81d0de27c8f85ddca95a726e47cc55dc24f13e80