[INFO] cloning repository https://github.com/a-ymeri/mlp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-ymeri/mlp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f96460741adbe7db05aab83615b920510c6a8e3
[INFO] checking a-ymeri/mlp-rust against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/a-ymeri/mlp-rust
[INFO] finished tweaking git repo https://github.com/a-ymeri/mlp-rust
[INFO] tweaked toml for git repo https://github.com/a-ymeri/mlp-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/a-ymeri/mlp-rust on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/a-ymeri/mlp-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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f310304f905452c8d6ccfe5378e2a743c679620c97fd1eb52f68049106c7f65c
[INFO] running `Command { std: "docker" "start" "-a" "f310304f905452c8d6ccfe5378e2a743c679620c97fd1eb52f68049106c7f65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f310304f905452c8d6ccfe5378e2a743c679620c97fd1eb52f68049106c7f65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f310304f905452c8d6ccfe5378e2a743c679620c97fd1eb52f68049106c7f65c", kill_on_drop: false }`
[INFO] [stdout] f310304f905452c8d6ccfe5378e2a743c679620c97fd1eb52f68049106c7f65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a8032b499e07b00d11bc797ca567be3af7af922708f73cb77cff3141195d3e
[INFO] running `Command { std: "docker" "start" "-a" "d4a8032b499e07b00d11bc797ca567be3af7af922708f73cb77cff3141195d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rayon v1.8.1
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[INFO] [stderr]     Checking flume v0.11.0
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[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking mlp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::Array3`
[INFO] [stdout]  --> src/dataset_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::Array3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array1`
[INFO] [stdout]  --> src/layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::Array1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `Rgb`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image::{ImageBuffer, Rgb};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Zip`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::Zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array3`
[INFO] [stdout]  --> src/dataset_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::Array3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array1`
[INFO] [stdout]  --> src/layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::Array1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `Rgb`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image::{ImageBuffer, Rgb};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Zip`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::Zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/tests.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut predicted_one_hot = my_module::one_hot_encode(i);
[INFO] [stdout]   |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/tests.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut input = ndarray::arr2(&[[1.0, 2.0, 3.0], [-4.0, 5.0, 0.0]]);
[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]   --> tests/tests.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut output = my_module::relu(&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]   --> tests/tests.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut expected_output = ndarray::arr2(&[[1.0, 2.0, 3.0], [0.0, 5.0, 0.0]]);
[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]   --> tests/tests.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut input = ndarray::arr2(&[[1.0, 2.0, 3.0], [-4.0, 5.0, 0.0]]);
[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]   --> tests/tests.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut output = my_module::get_relu_derivative(&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]   --> tests/tests.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut expected_output = ndarray::arr2(&[[1.0, 1.0, 1.0], [0.0, 1.0, 0.0]]);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let offset = 0;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `activation_fn` is never read
[INFO] [stdout]  --> src/layer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Layer {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub activation_fn: fn(&Array2<f32>) -> Array2<f32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `activation_fn` and `weighted_sum` are never used
[INFO] [stdout]   --> src/layer.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Layer {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn activation_fn(&self, input: &Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn weighted_sum(&self, input: &Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let offset = 0;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `activation_fn` is never read
[INFO] [stdout]  --> src/layer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Layer {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub activation_fn: fn(&Array2<f32>) -> Array2<f32>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `activation_fn` and `weighted_sum` are never used
[INFO] [stdout]   --> src/layer.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Layer {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn activation_fn(&self, input: &Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn weighted_sum(&self, input: &Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "d4a8032b499e07b00d11bc797ca567be3af7af922708f73cb77cff3141195d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a8032b499e07b00d11bc797ca567be3af7af922708f73cb77cff3141195d3e", kill_on_drop: false }`
[INFO] [stdout] d4a8032b499e07b00d11bc797ca567be3af7af922708f73cb77cff3141195d3e
