[INFO] cloning repository https://github.com/realSuffix/NeuralNet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realSuffix/NeuralNet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d819b55e60952d85c4b6fa3f0ed90562d1ed876c
[INFO] checking realSuffix/NeuralNet against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealSuffix%2FNeuralNet" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realSuffix/NeuralNet on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realSuffix/NeuralNet
[INFO] finished tweaking git repo https://github.com/realSuffix/NeuralNet
[INFO] tweaked toml for git repo https://github.com/realSuffix/NeuralNet written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/realSuffix/NeuralNet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38be3de5349feb0352131e94573a14dc21a0cf44eff2d14da8170b2031327bda
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[INFO] running `Command { std: "docker" "rm" "-f" "38be3de5349feb0352131e94573a14dc21a0cf44eff2d14da8170b2031327bda", kill_on_drop: false }`
[INFO] [stdout] 38be3de5349feb0352131e94573a14dc21a0cf44eff2d14da8170b2031327bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823b5737efffdaf8bab5cf52ef19638f5a7fde2a2016102ec722228f0107f4ba
[INFO] running `Command { std: "docker" "start" "-a" "823b5737efffdaf8bab5cf52ef19638f5a7fde2a2016102ec722228f0107f4ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]     Checking neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `print`, `sigmoid`
[INFO] [stdout]  --> src/gpu_neural_net.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arrayfire::{matmul, print, sigmoid, Array};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Matrix`
[INFO] [stdout]  --> src/gpu_neural_net.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `print`, `sigmoid`
[INFO] [stdout]  --> src/gpu_neural_net.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arrayfire::{matmul, print, sigmoid, Array};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Matrix`
[INFO] [stdout]  --> src/gpu_neural_net.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/gpu_neural_net.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn backward_propagation(&self, actual_result: &Array<f64>, expected_result: &Array<f64>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_indices_single`
[INFO] [stdout]   --> src/matrix.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn calculate_indices_single(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/neural_net.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn backward_propagation(&self, actual_result: &Matrix, expected_result: &Matrix) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/gpu_neural_net.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn backward_propagation(&self, actual_result: &Array<f64>, expected_result: &Array<f64>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_indices_single`
[INFO] [stdout]   --> src/matrix.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn calculate_indices_single(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward_propagation`
[INFO] [stdout]   --> src/neural_net.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn backward_propagation(&self, actual_result: &Matrix, expected_result: &Matrix) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.11s
[INFO] running `Command { std: "docker" "inspect" "823b5737efffdaf8bab5cf52ef19638f5a7fde2a2016102ec722228f0107f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823b5737efffdaf8bab5cf52ef19638f5a7fde2a2016102ec722228f0107f4ba", kill_on_drop: false }`
[INFO] [stdout] 823b5737efffdaf8bab5cf52ef19638f5a7fde2a2016102ec722228f0107f4ba