[INFO] cloning repository https://github.com/corka149/simple_neural_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corka149/simple_neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a84a0fbfb7483b1e8f59e1e7e0278565251d61ca
[INFO] documenting corka149/simple_neural_network against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corka149/simple_neural_network on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corka149/simple_neural_network
[INFO] finished tweaking git repo https://github.com/corka149/simple_neural_network
[INFO] tweaked toml for git repo https://github.com/corka149/simple_neural_network written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/corka149/simple_neural_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d4d37b9c61e1131a2689e3cf8b2cd5ee665022318f33e5bd75884a3ac54c87c
[INFO] running `Command { std: "docker" "start" "-a" "7d4d37b9c61e1131a2689e3cf8b2cd5ee665022318f33e5bd75884a3ac54c87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4d37b9c61e1131a2689e3cf8b2cd5ee665022318f33e5bd75884a3ac54c87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4d37b9c61e1131a2689e3cf8b2cd5ee665022318f33e5bd75884a3ac54c87c", kill_on_drop: false }`
[INFO] [stdout] 7d4d37b9c61e1131a2689e3cf8b2cd5ee665022318f33e5bd75884a3ac54c87c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587cb04cc890ffa1c42dc1cc951db462aa5ae8400b1d61498a3069e74bfe2ae9
[INFO] running `Command { std: "docker" "start" "-a" "587cb04cc890ffa1c42dc1cc951db462aa5ae8400b1d61498a3069e74bfe2ae9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]  Documenting neural_network v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     (1.0 / (1.0 + E.powf(-x)))
[INFO] [stdout]    |     ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     (1.0 / (1.0 + E.powf(-x)))
[INFO] [stdout] 17 +     1.0 / (1.0 + E.powf(-x))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "587cb04cc890ffa1c42dc1cc951db462aa5ae8400b1d61498a3069e74bfe2ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587cb04cc890ffa1c42dc1cc951db462aa5ae8400b1d61498a3069e74bfe2ae9", kill_on_drop: false }`
[INFO] [stdout] 587cb04cc890ffa1c42dc1cc951db462aa5ae8400b1d61498a3069e74bfe2ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5d526affa0fc79dea7f932890ada7f3dba6bffdaf91a4deb1de7ebeb61a996df
[INFO] running `Command { std: "docker" "start" "-a" "5d526affa0fc79dea7f932890ada7f3dba6bffdaf91a4deb1de7ebeb61a996df", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]  Documenting neural_network v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     (1.0 / (1.0 + E.powf(-x)))
[INFO] [stdout]    |     ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     (1.0 / (1.0 + E.powf(-x)))
[INFO] [stdout] 17 +     1.0 / (1.0 + E.powf(-x))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "5d526affa0fc79dea7f932890ada7f3dba6bffdaf91a4deb1de7ebeb61a996df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d526affa0fc79dea7f932890ada7f3dba6bffdaf91a4deb1de7ebeb61a996df", kill_on_drop: false }`
[INFO] [stdout] 5d526affa0fc79dea7f932890ada7f3dba6bffdaf91a4deb1de7ebeb61a996df