[INFO] crate rustneat 0.2.1 is already in cache
[INFO] documenting rustneat-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate rustneat 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rustneat 0.2.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustneat 0.2.1
[INFO] finished tweaking crates.io crate rustneat 0.2.1
[INFO] tweaked toml for crates.io crate rustneat 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2743605aa019bd0ce53e2e686a1c0f593f140999f3b8281f8acf3f6133c8ba25
[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" "2743605aa019bd0ce53e2e686a1c0f593f140999f3b8281f8acf3f6133c8ba25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2743605aa019bd0ce53e2e686a1c0f593f140999f3b8281f8acf3f6133c8ba25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2743605aa019bd0ce53e2e686a1c0f593f140999f3b8281f8acf3f6133c8ba25", kill_on_drop: false }`
[INFO] [stdout] 2743605aa019bd0ce53e2e686a1c0f593f140999f3b8281f8acf3f6133c8ba25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 2149106d4f1b653b6e72a2674d503f2e1bb4d2d843a3ef569c86c1b1a0717171
[INFO] running `Command { std: "docker" "start" "-a" "2149106d4f1b653b6e72a2674d503f2e1bb4d2d843a3ef569c86c1b1a0717171", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]  Documenting rustneat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mutation.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_connection(in_neuron_id: usize, out_neuron_id: usize) -> (Gene) {
[INFO] [stdout]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[NEAT]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/lib.rs:8:66
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! Implementation of `NeuroEvolution` of Augmenting Topologies [NEAT]
[INFO] [stdout]   |                                                                  ^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `Command { std: "docker" "inspect" "2149106d4f1b653b6e72a2674d503f2e1bb4d2d843a3ef569c86c1b1a0717171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2149106d4f1b653b6e72a2674d503f2e1bb4d2d843a3ef569c86c1b1a0717171", kill_on_drop: false }`
[INFO] [stdout] 2149106d4f1b653b6e72a2674d503f2e1bb4d2d843a3ef569c86c1b1a0717171