[INFO] cloning repository https://github.com/willothy/nnfs_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willothy/nnfs_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Fnnfs_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Fnnfs_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f20aef522c351ebee01cd9cf4aa47e25cb19c1ef
[INFO] checking willothy/nnfs_rs against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Fnnfs_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/willothy/nnfs_rs
[INFO] finished tweaking git repo https://github.com/willothy/nnfs_rs
[INFO] tweaked toml for git repo https://github.com/willothy/nnfs_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willothy/nnfs_rs on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/willothy/nnfs_rs 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932a963f10cf03fa05d1436666a84655c3972c240d97f7ea4bdc500fc8169dee
[INFO] running `Command { std: "docker" "start" "-a" "932a963f10cf03fa05d1436666a84655c3972c240d97f7ea4bdc500fc8169dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932a963f10cf03fa05d1436666a84655c3972c240d97f7ea4bdc500fc8169dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932a963f10cf03fa05d1436666a84655c3972c240d97f7ea4bdc500fc8169dee", kill_on_drop: false }`
[INFO] [stdout] 932a963f10cf03fa05d1436666a84655c3972c240d97f7ea4bdc500fc8169dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2974aac691993b6c9ba707155f98033cef7f0cabf66f58136547a36d38d2ce
[INFO] running `Command { std: "docker" "start" "-a" "8e2974aac691993b6c9ba707155f98033cef7f0cabf66f58136547a36d38d2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking nnfs_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/layer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DenseLayer {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn load(weights: Array2<f64>, biases: Array1<f64>) -> DenseLayer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sigmoid` is never constructed
[INFO] [stdout]   --> src/layer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum ActivationType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     Relu,
[INFO] [stdout] 40 |     Sigmoid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_derivative` is never used
[INFO] [stdout]   --> src/math.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn sigmoid_derivative(x: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/layer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DenseLayer {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn load(weights: Array2<f64>, biases: Array1<f64>) -> DenseLayer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sigmoid` is never constructed
[INFO] [stdout]   --> src/layer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum ActivationType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     Relu,
[INFO] [stdout] 40 |     Sigmoid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_derivative` is never used
[INFO] [stdout]   --> src/math.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn sigmoid_derivative(x: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "8e2974aac691993b6c9ba707155f98033cef7f0cabf66f58136547a36d38d2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2974aac691993b6c9ba707155f98033cef7f0cabf66f58136547a36d38d2ce", kill_on_drop: false }`
[INFO] [stdout] 8e2974aac691993b6c9ba707155f98033cef7f0cabf66f58136547a36d38d2ce