[INFO] cloning repository https://github.com/zeno0119/KillMeLearn-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeno0119/KillMeLearn-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeno0119%2FKillMeLearn-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeno0119%2FKillMeLearn-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6466a96b0f97084fcd48b77d7eaedc9102ed669c
[INFO] checking zeno0119/KillMeLearn-Rust against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeno0119%2FKillMeLearn-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/zeno0119/KillMeLearn-Rust on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zeno0119/KillMeLearn-Rust
[INFO] finished tweaking git repo https://github.com/zeno0119/KillMeLearn-Rust
[INFO] tweaked toml for git repo https://github.com/zeno0119/KillMeLearn-Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zeno0119/KillMeLearn-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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "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 png v0.16.4
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7919fcf47b0b57b741b7f5cadd0dcddb8d255bd45480b3b09da604525dc2dec3
[INFO] running `Command { std: "docker" "start" "-a" "7919fcf47b0b57b741b7f5cadd0dcddb8d255bd45480b3b09da604525dc2dec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7919fcf47b0b57b741b7f5cadd0dcddb8d255bd45480b3b09da604525dc2dec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7919fcf47b0b57b741b7f5cadd0dcddb8d255bd45480b3b09da604525dc2dec3", kill_on_drop: false }`
[INFO] [stdout] 7919fcf47b0b57b741b7f5cadd0dcddb8d255bd45480b3b09da604525dc2dec3
[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" "-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f548b41b60b5b45ccee8b05db1a486eea8ae8ac66cc1b81a21b544e6930f360b
[INFO] running `Command { std: "docker" "start" "-a" "f548b41b60b5b45ccee8b05db1a486eea8ae8ac66cc1b81a21b544e6930f360b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking KillmeLearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `shrink_img`, `shrink_vec`, and `t`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::nnr::matrix::{t, shrink_vec, shrink_img};
[INFO] [stdout]   |                          ^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/nnr/activations.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, max};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `shrink_img`, `shrink_vec`, and `t`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::nnr::matrix::{t, shrink_vec, shrink_img};
[INFO] [stdout]   |                          ^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/nnr/activations.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, max};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]  --> src/nnr/cnn.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let batch: usize = 1;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]  --> src/nnr/cnn.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let batch: usize = 1;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chan`
[INFO] [stdout]   --> src/nnr/cnn.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let chan = i / (flt_w * flt_h);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_chan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut grad_w = vec![vec![0.0;output];input];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut input = vec![vec![0.0;input];batch];
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut grad_b = vec![0.0; output];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut res = Layer{weight, bias, y:vec![vec![0.0;output];batch], activate, gradient, grad_w,grad_b, input};
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chan`
[INFO] [stdout]   --> src/nnr/cnn.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let chan = i / (flt_w * flt_h);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_chan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/nnr/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut res = vec![vec![0.0]];
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/nnr/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             for j in 0..delta[i].len() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut grad_w = vec![vec![0.0;output];input];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut input = vec![vec![0.0;input];batch];
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut grad_b = vec![0.0; output];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nnr/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut res = Layer{weight, bias, y:vec![vec![0.0;output];batch], activate, gradient, grad_w,grad_b, input};
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/png.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut d = png::Decoder::new(File::open(str).unwrap());
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/png.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |             let mut row = r.next_row();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/nnr/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut res = vec![vec![0.0]];
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/nnr/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             for j in 0..delta[i].len() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for j in 0..batch {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let x = middle_layer.backward(&x);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/png.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut d = png::Decoder::new(File::open(str).unwrap());
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/png.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |             let mut row = r.next_row();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for j in 0..batch {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let x = middle_layer.backward(&x);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConvLayer` is never constructed
[INFO] [stdout]   --> src/nnr/mod.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ConvLayer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink_vec` is never used
[INFO] [stdout]   --> src/nnr/matrix/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn shrink_vec(stride: usize, x: &Vec<f64>)->Vec<f64>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink_img` is never used
[INFO] [stdout]   --> src/nnr/matrix/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn shrink_img(x: &Vec<Vec<Vec<f64>>>, stride: usize)->Vec<Vec<Vec<f64>>>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identity` is never used
[INFO] [stdout]  --> src/nnr/activations.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity (a: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/nnr/activations.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn relu (a: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu_grad` is never used
[INFO] [stdout]   --> src/nnr/activations.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn relu_grad (y: &Vec<Vec<f64>>, t: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img2col` is never used
[INFO] [stdout]  --> src/nnr/cnn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn img2col(img: Vec<Vec<Vec<f64>>>, flt_h: usize, flt_w: usize, stride: usize, padding: usize) -> Vec<Vec<f64>> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `col2img` is never used
[INFO] [stdout]   --> src/nnr/cnn.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn col2img(col: Vec<Vec<f64>>, y_h: usize, y_w: usize, flt_h: usize, flt_w: usize, padding: usize, stride: usize) -> Vec<Vec<Vec<f64>...
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img2col` is never used
[INFO] [stdout]   --> src/png.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn img2col(img: Vec<Vec<Vec<f64>>>) -> Vec<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if j >= 0 && j < 5{train[0][0] = 1.0;}
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConvLayer` is never constructed
[INFO] [stdout]   --> src/nnr/mod.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct ConvLayer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink_vec` is never used
[INFO] [stdout]   --> src/nnr/matrix/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn shrink_vec(stride: usize, x: &Vec<f64>)->Vec<f64>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink_img` is never used
[INFO] [stdout]   --> src/nnr/matrix/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn shrink_img(x: &Vec<Vec<Vec<f64>>>, stride: usize)->Vec<Vec<Vec<f64>>>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identity` is never used
[INFO] [stdout]  --> src/nnr/activations.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity (a: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/nnr/activations.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn relu (a: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu_grad` is never used
[INFO] [stdout]   --> src/nnr/activations.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn relu_grad (y: &Vec<Vec<f64>>, t: &Vec<Vec<f64>>) -> Vec<Vec<f64>>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img2col` is never used
[INFO] [stdout]  --> src/nnr/cnn.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn img2col(img: Vec<Vec<Vec<f64>>>, flt_h: usize, flt_w: usize, stride: usize, padding: usize) -> Vec<Vec<f64>> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `col2img` is never used
[INFO] [stdout]   --> src/nnr/cnn.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn col2img(col: Vec<Vec<f64>>, y_h: usize, y_w: usize, flt_h: usize, flt_w: usize, padding: usize, stride: usize) -> Vec<Vec<Vec<f64>...
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img2col` is never used
[INFO] [stdout]   --> src/png.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn img2col(img: Vec<Vec<Vec<f64>>>) -> Vec<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if j >= 0 && j < 5{train[0][0] = 1.0;}
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "f548b41b60b5b45ccee8b05db1a486eea8ae8ac66cc1b81a21b544e6930f360b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f548b41b60b5b45ccee8b05db1a486eea8ae8ac66cc1b81a21b544e6930f360b", kill_on_drop: false }`
[INFO] [stdout] f548b41b60b5b45ccee8b05db1a486eea8ae8ac66cc1b81a21b544e6930f360b
