[INFO] cloning repository https://github.com/TuckerBMorgan/Minerva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TuckerBMorgan/Minerva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FMinerva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FMinerva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f23aad8219298b88d7255e34babfef8a27b41553
[INFO] testing TuckerBMorgan/Minerva against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuckerBMorgan%2FMinerva" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TuckerBMorgan/Minerva on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TuckerBMorgan/Minerva
[INFO] finished tweaking git repo https://github.com/TuckerBMorgan/Minerva
[INFO] tweaked toml for git repo https://github.com/TuckerBMorgan/Minerva written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/TuckerBMorgan/Minerva already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55f731921cada6c57b03a8b38a8d780086a287d9bed8a6a39344f7ece824fb2d
[INFO] running `Command { std: "docker" "start" "-a" "55f731921cada6c57b03a8b38a8d780086a287d9bed8a6a39344f7ece824fb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f731921cada6c57b03a8b38a8d780086a287d9bed8a6a39344f7ece824fb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f731921cada6c57b03a8b38a8d780086a287d9bed8a6a39344f7ece824fb2d", kill_on_drop: false }`
[INFO] [stdout] 55f731921cada6c57b03a8b38a8d780086a287d9bed8a6a39344f7ece824fb2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270671e32899e95adf0a3659556a6c8a26ada377a6bc439f7fd743709d4636da
[INFO] running `Command { std: "docker" "start" "-a" "270671e32899e95adf0a3659556a6c8a26ada377a6bc439f7fd743709d4636da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling minerva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/operations/equation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/operations/equation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/operations/equation.rs:289:95
[INFO] [stdout]     |
[INFO] [stdout] 289 | ...oken, kernel: VariableToken, stride: u32, padding: bool) -> Result<VariableToken, &'static str> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/operations/equation.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/operations/equation.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "270671e32899e95adf0a3659556a6c8a26ada377a6bc439f7fd743709d4636da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270671e32899e95adf0a3659556a6c8a26ada377a6bc439f7fd743709d4636da", kill_on_drop: false }`
[INFO] [stdout] 270671e32899e95adf0a3659556a6c8a26ada377a6bc439f7fd743709d4636da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1b8eaf21b77c778bd13265d76f84ff5d43da7d7633dddc9352e588377253c0
[INFO] running `Command { std: "docker" "start" "-a" "8a1b8eaf21b77c778bd13265d76f84ff5d43da7d7633dddc9352e588377253c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling minerva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/operations/equation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/operations/equation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/operations/equation.rs:289:95
[INFO] [stdout]     |
[INFO] [stdout] 289 | ...oken, kernel: VariableToken, stride: u32, padding: bool) -> Result<VariableToken, &'static str> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/operations/equation.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/operations/equation.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/operations/equation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/operations/equation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stride`
[INFO] [stdout]    --> src/operations/equation.rs:289:95
[INFO] [stdout]     |
[INFO] [stdout] 289 | ...oken, kernel: VariableToken, stride: u32, padding: bool) -> Result<VariableToken, &'static str> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/operations/equation.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update_weight`
[INFO] [stdout]    --> src/lib.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let update_weight = feed_foward.new_operation_in_graph(vec![final_output, first_dense_weight], Operator::Dif).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/operations/equation.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut rng = rand::thread_rng();
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "8a1b8eaf21b77c778bd13265d76f84ff5d43da7d7633dddc9352e588377253c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1b8eaf21b77c778bd13265d76f84ff5d43da7d7633dddc9352e588377253c0", kill_on_drop: false }`
[INFO] [stdout] 8a1b8eaf21b77c778bd13265d76f84ff5d43da7d7633dddc9352e588377253c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c80a6778eb2b65ddd5a64f119271500fc6e2ace17b5195a1a59e169e616ba524
[INFO] running `Command { std: "docker" "start" "-a" "c80a6778eb2b65ddd5a64f119271500fc6e2ace17b5195a1a59e169e616ba524", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::add_operation_to_equation_test ... ok
[INFO] [stdout] test tests::large_addition_test ... ok
[INFO] [stdout] test tests::multi_y_conv_operation ... ok
[INFO] [stdout] test tests::unsquare_mul_test ... ok
[INFO] [stdout] test tests::simple_addition_test ... ok
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/operations/equation.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/operations/equation.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stride`
[INFO] [stderr]    --> src/operations/equation.rs:289:95
[INFO] [stderr]     |
[INFO] [stderr] 289 | ...oken, kernel: VariableToken, stride: u32, padding: bool) -> Result<VariableToken, &'static str> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/operations/equation.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/operations/equation.rs:568:13
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/operations/equation.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/operations/equation.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stride`
[INFO] [stderr]    --> src/operations/equation.rs:289:95
[INFO] [stderr]     |
[INFO] [stderr] 289 | ...oken, kernel: VariableToken, stride: u32, padding: bool) -> Result<VariableToken, &'static str> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stride`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/operations/equation.rs:568:17
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `update_weight`
[INFO] [stderr]    --> src/lib.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |         let update_weight = feed_foward.new_operation_in_graph(vec![final_output, first_dense_weight], Operator::Dif).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_weight`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/operations/equation.rs:568:13
[INFO] [stderr]     |
[INFO] [stderr] 568 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minerva-d904b895a514140a)
[INFO] [stdout] test tests::use_operation_result_test ... ok
[INFO] [stdout] test tests::add_variable_to_equation_test ... ok
[INFO] [stdout] test tests::simple_mapping_test ... ok
[INFO] [stdout] test tests::multi_x_conv_operation ... ok
[INFO] [stdout] test tests::simple_conv_operation ... ok
[INFO] [stdout] test tests::simple_mul_test ... ok
[INFO] [stdout] test tests::allocate_equation_test ... ok
[INFO] [stdout] test tests::simple_matrix_multiply_test ... ok
[INFO] [stdout] test tests::main ... ok
[INFO] [stdout] test tests::simple_element_wise_mul_operation_test ... ok
[INFO] [stdout] test tests::simple_dif_operation_test ... ok
[INFO] [stdout] test tests::basic_nn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minerva
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c80a6778eb2b65ddd5a64f119271500fc6e2ace17b5195a1a59e169e616ba524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80a6778eb2b65ddd5a64f119271500fc6e2ace17b5195a1a59e169e616ba524", kill_on_drop: false }`
[INFO] [stdout] c80a6778eb2b65ddd5a64f119271500fc6e2ace17b5195a1a59e169e616ba524