[INFO] cloning repository https://github.com/DarkMatter-999/NeuralNetworks-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarkMatter-999/NeuralNetworks-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkMatter-999%2FNeuralNetworks-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkMatter-999%2FNeuralNetworks-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ebebc5b352c723719967ba25667f7d1b5760294
[INFO] building DarkMatter-999/NeuralNetworks-Rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkMatter-999%2FNeuralNetworks-Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarkMatter-999/NeuralNetworks-Rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DarkMatter-999/NeuralNetworks-Rust
[INFO] finished tweaking git repo https://github.com/DarkMatter-999/NeuralNetworks-Rust
[INFO] tweaked toml for git repo https://github.com/DarkMatter-999/NeuralNetworks-Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DarkMatter-999/NeuralNetworks-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e68d4484c8b0b720e1a1bdeb46f50ef0b3a0996f1841c848e0c048e205d106
[INFO] running `Command { std: "docker" "start" "-a" "b4e68d4484c8b0b720e1a1bdeb46f50ef0b3a0996f1841c848e0c048e205d106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e68d4484c8b0b720e1a1bdeb46f50ef0b3a0996f1841c848e0c048e205d106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e68d4484c8b0b720e1a1bdeb46f50ef0b3a0996f1841c848e0c048e205d106", kill_on_drop: false }`
[INFO] [stdout] b4e68d4484c8b0b720e1a1bdeb46f50ef0b3a0996f1841c848e0c048e205d106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid -Dtail-expr-drop-order" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c32bef3b4200438c426002bc1d67d801f5703de3ee56ab002011cd2a429d2862
[INFO] running `Command { std: "docker" "start" "-a" "c32bef3b4200438c426002bc1d67d801f5703de3ee56ab002011cd2a429d2862", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling NeuralNet v0.1.0 (/opt/rustwide/workdir/NeuralNet)
[INFO] [stdout] warning: unused variable: `learning_rate`
[INFO] [stdout]   --> NeuralNet/src/activation.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn backward(&mut self, output_gradient: Matrix, learning_rate: f64) -> Matrix {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `NeuralNet` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `neural_net`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling NNRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "c32bef3b4200438c426002bc1d67d801f5703de3ee56ab002011cd2a429d2862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32bef3b4200438c426002bc1d67d801f5703de3ee56ab002011cd2a429d2862", kill_on_drop: false }`
[INFO] [stdout] c32bef3b4200438c426002bc1d67d801f5703de3ee56ab002011cd2a429d2862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid -Dtail-expr-drop-order" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db44764b227ef468c42ec4cee37442ff6326af22cac2962eddf1ac20893b28a
[INFO] running `Command { std: "docker" "start" "-a" "7db44764b227ef468c42ec4cee37442ff6326af22cac2962eddf1ac20893b28a", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `learning_rate`
[INFO] [stdout]   --> NeuralNet/src/activation.rs:35:53
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn backward(&mut self, output_gradient: Matrix, learning_rate: f64) -> Matrix {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `NeuralNet` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `neural_net`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling NNRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7db44764b227ef468c42ec4cee37442ff6326af22cac2962eddf1ac20893b28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db44764b227ef468c42ec4cee37442ff6326af22cac2962eddf1ac20893b28a", kill_on_drop: false }`
[INFO] [stdout] 7db44764b227ef468c42ec4cee37442ff6326af22cac2962eddf1ac20893b28a