[INFO] cloning repository https://github.com/CHarrod283/ml-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CHarrod283/ml-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHarrod283%2Fml-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHarrod283%2Fml-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3e7314ea768edf2cdc8c3e3e8711796c171fc60
[INFO] building CHarrod283/ml-rs 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%2FCHarrod283%2Fml-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CHarrod283/ml-rs 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/CHarrod283/ml-rs
[INFO] finished tweaking git repo https://github.com/CHarrod283/ml-rs
[INFO] tweaked toml for git repo https://github.com/CHarrod283/ml-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CHarrod283/ml-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0059208e6bf17095669948dc2b21806983d3ef23d0ef2a450fbe3bedca175777
[INFO] running `Command { std: "docker" "start" "-a" "0059208e6bf17095669948dc2b21806983d3ef23d0ef2a450fbe3bedca175777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0059208e6bf17095669948dc2b21806983d3ef23d0ef2a450fbe3bedca175777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0059208e6bf17095669948dc2b21806983d3ef23d0ef2a450fbe3bedca175777", kill_on_drop: false }`
[INFO] [stdout] 0059208e6bf17095669948dc2b21806983d3ef23d0ef2a450fbe3bedca175777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 54be812e296aa23cf3194a9499ab19024757a7aa5406a73cbfc9e72fa4fe9fbe
[INFO] running `Command { std: "docker" "start" "-a" "54be812e296aa23cf3194a9499ab19024757a7aa5406a73cbfc9e72fa4fe9fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir/src/matrix)
[INFO] [stdout] warning: unused import: `Zip`
[INFO] [stdout]  --> src/matrix/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{Zip};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MatrixIter` is never used
[INFO] [stdout]   --> src/matrix/src/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum MatrixIter<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `of` and `transpose` are never used
[INFO] [stdout]   --> src/matrix/src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'a> MatrixView<'a> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 57 |     fn of(m : &'a Matrix) -> MatrixView<'a>{
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn transpose(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]    --> src/matrix/src/lib.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn iter(&self) -> MatrixIter<'_> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_index` is never used
[INFO] [stdout]    --> src/matrix/src/lib.rs:573:4
[INFO] [stdout]     |
[INFO] [stdout] 573 | fn transform_index(i : usize, num_rows : usize, num_cols : usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dove-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_size` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FCLayer  {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     input_size : usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `input_size` is never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl FCLayer {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn input_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "54be812e296aa23cf3194a9499ab19024757a7aa5406a73cbfc9e72fa4fe9fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54be812e296aa23cf3194a9499ab19024757a7aa5406a73cbfc9e72fa4fe9fbe", kill_on_drop: false }`
[INFO] [stdout] 54be812e296aa23cf3194a9499ab19024757a7aa5406a73cbfc9e72fa4fe9fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f7f312b0fa71eb94ea0d4ef6e4bee3a9e40c3e61e9bd8add7a44980031552ada
[INFO] running `Command { std: "docker" "start" "-a" "f7f312b0fa71eb94ea0d4ef6e4bee3a9e40c3e61e9bd8add7a44980031552ada", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Zip`
[INFO] [stdout]  --> src/matrix/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{Zip};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MatrixIter` is never used
[INFO] [stdout]   --> src/matrix/src/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum MatrixIter<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `of` and `transpose` are never used
[INFO] [stdout]   --> src/matrix/src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<'a> MatrixView<'a> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 57 |     fn of(m : &'a Matrix) -> MatrixView<'a>{
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn transpose(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]    --> src/matrix/src/lib.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn iter(&self) -> MatrixIter<'_> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_index` is never used
[INFO] [stdout]    --> src/matrix/src/lib.rs:573:4
[INFO] [stdout]     |
[INFO] [stdout] 573 | fn transform_index(i : usize, num_rows : usize, num_cols : usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dove-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `altered_weights`
[INFO] [stdout]    --> src/main.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let altered_weights = Matrix::new_from_vec(&altered_weights_vec).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_altered_weights`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights_error`
[INFO] [stdout]    --> src/main.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let weights_error = Matrix::new_from_vec(&weights_error_vec).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `altered_bias`
[INFO] [stdout]    --> src/main.rs:337:13
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let altered_bias = Matrix::new_from_vec(&altered_bias_vec).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_altered_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mul`
[INFO] [stdout]    --> src/main.rs:422:13
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let mul = 2;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]    --> src/main.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let sub = vec![vec![-0.40979163]];
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_size` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FCLayer  {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     input_size : usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `input_size` is never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl FCLayer {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn input_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f7f312b0fa71eb94ea0d4ef6e4bee3a9e40c3e61e9bd8add7a44980031552ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f312b0fa71eb94ea0d4ef6e4bee3a9e40c3e61e9bd8add7a44980031552ada", kill_on_drop: false }`
[INFO] [stdout] f7f312b0fa71eb94ea0d4ef6e4bee3a9e40c3e61e9bd8add7a44980031552ada