[INFO] updating cached repository https://github.com/gotcake/rust-nerual-net
[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] 7013146a325b81c0989a90ecca7b1e2f6071aae2
[INFO] documenting gotcake/rust-nerual-net against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotcake%2Frust-nerual-net" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gotcake/rust-nerual-net on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/gotcake/rust-nerual-net
[INFO] finished tweaking git repo https://github.com/gotcake/rust-nerual-net
[INFO] tweaked toml for git repo https://github.com/gotcake/rust-nerual-net written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gotcake/rust-nerual-net already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e2f8e2073a64b2e8d35ce96011268e64c1e94d787bea80dc2888cffc6d1240ce
[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" "e2f8e2073a64b2e8d35ce96011268e64c1e94d787bea80dc2888cffc6d1240ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f8e2073a64b2e8d35ce96011268e64c1e94d787bea80dc2888cffc6d1240ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f8e2073a64b2e8d35ce96011268e64c1e94d787bea80dc2888cffc6d1240ce", kill_on_drop: false }`
[INFO] [stdout] e2f8e2073a64b2e8d35ce96011268e64c1e94d787bea80dc2888cffc6d1240ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 2e87cd3d67fe0f6cc63d495d9b4e6a706f3287f1cda01c01fdad25437731d2eb
[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" "2e87cd3d67fe0f6cc63d495d9b4e6a706f3287f1cda01c01fdad25437731d2eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking fast-math v0.1.0
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.28
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]  Documenting rust_neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "2e87cd3d67fe0f6cc63d495d9b4e6a706f3287f1cda01c01fdad25437731d2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e87cd3d67fe0f6cc63d495d9b4e6a706f3287f1cda01c01fdad25437731d2eb", kill_on_drop: false }`
[INFO] [stdout] 2e87cd3d67fe0f6cc63d495d9b4e6a706f3287f1cda01c01fdad25437731d2eb