[INFO] cloning repository https://github.com/dhruvkjain/mnist-nn-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruvkjain/mnist-nn-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fmnist-nn-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fmnist-nn-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adce5d26a49af388c10ddebd41284013a044f58b
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkjain%2Fmnist-nn-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhruvkjain/mnist-nn-rs
[INFO] finished tweaking git repo https://github.com/dhruvkjain/mnist-nn-rs
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[INFO] crate git repo https://github.com/dhruvkjain/mnist-nn-rs already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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]   --> src/main.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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/main.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                                  ----^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z1`
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]   --> src/main.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z2`
[INFO] [stdout]   --> src/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(&mut w1, &mut b1, &mut w2, &mut b2, &mut training_data);
[INFO] [stdout]    |                              ----^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z2`
[INFO] [stdout]   --> src/main.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(&mut w1, &mut b1, &mut w2, &mut b2, &mut training_data);
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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]   --> src/main.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[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/main.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                                  ----^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z1`
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]   --> src/main.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z2`
[INFO] [stdout]   --> src/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(w1, b1, w2, b2, &mut testing_data);
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(&mut w1, &mut b1, &mut w2, &mut b2, &mut training_data);
[INFO] [stdout]    |                              ----^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z2`
[INFO] [stdout]   --> src/main.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut z1, mut a1, mut z2, mut a2) = forward_propagation(&mut w1, &mut b1, &mut w2, &mut b2, &mut training_data);
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "7ad7dc8575024128f855cbfc44258cbe3e0c5177749f4d9c2e032de4bfe8ecdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad7dc8575024128f855cbfc44258cbe3e0c5177749f4d9c2e032de4bfe8ecdd", kill_on_drop: false }`
[INFO] [stdout] 7ad7dc8575024128f855cbfc44258cbe3e0c5177749f4d9c2e032de4bfe8ecdd
