[INFO] cloning repository https://github.com/tiberiusferreira/Autograd-Experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiberiusferreira/Autograd-Experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2FAutograd-Experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2FAutograd-Experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75d59203620a8b6a900bfc1250bc6c9585c7d501
[INFO] testing tiberiusferreira/Autograd-Experiments against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2FAutograd-Experiments" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiberiusferreira/Autograd-Experiments on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiberiusferreira/Autograd-Experiments
[INFO] finished tweaking git repo https://github.com/tiberiusferreira/Autograd-Experiments
[INFO] tweaked toml for git repo https://github.com/tiberiusferreira/Autograd-Experiments written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tiberiusferreira/Autograd-Experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-4/source/examples/simple_training.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 178a73b71b4941a01477d07f7131b2bdd655ca1dc7cac080cc4a37b34958a73f
[INFO] running `Command { std: "docker" "start" "-a" "178a73b71b4941a01477d07f7131b2bdd655ca1dc7cac080cc4a37b34958a73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178a73b71b4941a01477d07f7131b2bdd655ca1dc7cac080cc4a37b34958a73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178a73b71b4941a01477d07f7131b2bdd655ca1dc7cac080cc4a37b34958a73f", kill_on_drop: false }`
[INFO] [stdout] 178a73b71b4941a01477d07f7131b2bdd655ca1dc7cac080cc4a37b34958a73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67dca2758de3f80bf7bac2d6b226389d4d74d823ba8be6242db53e27dbb54669
[INFO] running `Command { std: "docker" "start" "-a" "67dca2758de3f80bf7bac2d6b226389d4d74d823ba8be6242db53e27dbb54669", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/simple_training.rs
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling ndarray-rand v0.11.0
[INFO] [stderr]    Compiling backprop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ops/logsoftmax.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |             *self_grad = (self_grad.add(&out));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arr0`
[INFO] [stdout]  --> src/tensor_backends/ndarray_backend.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{arr1, ArrayBase, arr0};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NdArray`
[INFO] [stdout]  --> src/layers.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tensor_backends::{NdArray, TensorBackend};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/tensor_backends/indexing.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for dim in 0..self.dims{
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ops/relu.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut closure_input_data_clone = input.data().clone();
[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: function is never used: `validate_grad`
[INFO] [stdout]  --> src/ops/testing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn validate_grad<T: TensorBackend>(input: TrackedTensor<T>, computation: &dyn for<'b> Fn(&TrackedTensor<'b, T>) -> TrackedTensor<'b, ...
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.69s
[INFO] running `Command { std: "docker" "inspect" "67dca2758de3f80bf7bac2d6b226389d4d74d823ba8be6242db53e27dbb54669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67dca2758de3f80bf7bac2d6b226389d4d74d823ba8be6242db53e27dbb54669", kill_on_drop: false }`
[INFO] [stdout] 67dca2758de3f80bf7bac2d6b226389d4d74d823ba8be6242db53e27dbb54669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac5b543a843a3c6206d10561101900e53c4ef66554d685d4fb2aa87df145ef57
[INFO] running `Command { std: "docker" "start" "-a" "ac5b543a843a3c6206d10561101900e53c4ef66554d685d4fb2aa87df145ef57", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/simple_training.rs
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ops/logsoftmax.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |             *self_grad = (self_grad.add(&out));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backprop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arr0`
[INFO] [stdout]  --> src/tensor_backends/ndarray_backend.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{arr1, ArrayBase, arr0};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NdArray`
[INFO] [stdout]  --> src/layers.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tensor_backends::{NdArray, TensorBackend};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/tensor_backends/indexing.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for dim in 0..self.dims{
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ops/relu.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut closure_input_data_clone = input.data().clone();
[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: function is never used: `validate_grad`
[INFO] [stdout]  --> src/ops/testing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn validate_grad<T: TensorBackend>(input: TrackedTensor<T>, computation: &dyn for<'b> Fn(&TrackedTensor<'b, T>) -> TrackedTensor<'b, ...
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ops/logsoftmax.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |             *self_grad = (self_grad.add(&out));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arr0`
[INFO] [stdout]  --> src/tensor_backends/ndarray_backend.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{arr1, ArrayBase, arr0};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/tensor_backends/ndarray_backend.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tape::*`
[INFO] [stdout]   --> src/tensor_backends/indexing.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use crate::tape::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tensor_backends::NdArray`
[INFO] [stdout]   --> src/tensor_backends/indexing.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use crate::tensor_backends::NdArray;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NdArray`
[INFO] [stdout]  --> src/layers.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tensor_backends::{NdArray, TensorBackend};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dim`
[INFO] [stdout]   --> src/tensor_backends/indexing.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for dim in 0..self.dims{
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ops/relu.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut closure_input_data_clone = input.data().clone();
[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/ops/logsoftmax.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut data = NdArray::from_slice(&[1., 2., 3., 4.]);
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "ac5b543a843a3c6206d10561101900e53c4ef66554d685d4fb2aa87df145ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5b543a843a3c6206d10561101900e53c4ef66554d685d4fb2aa87df145ef57", kill_on_drop: false }`
[INFO] [stdout] ac5b543a843a3c6206d10561101900e53c4ef66554d685d4fb2aa87df145ef57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91fea5994bd3470cd61e8b718ff797407548d387d465bbed5dc8f33660954b79
[INFO] running `Command { std: "docker" "start" "-a" "91fea5994bd3470cd61e8b718ff797407548d387d465bbed5dc8f33660954b79", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/simple_training.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/ops/logsoftmax.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |             *self_grad = (self_grad.add(&out));
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `arr0`
[INFO] [stderr]  --> src/tensor_backends/ndarray_backend.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{arr1, ArrayBase, arr0};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NdArray`
[INFO] [stderr]  --> src/layers.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::tensor_backends::{NdArray, TensorBackend};
[INFO] [stderr]   |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dim`
[INFO] [stderr]   --> src/tensor_backends/indexing.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |             for dim in 0..self.dims{
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/ops/relu.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut closure_input_data_clone = input.data().clone();
[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: function is never used: `validate_grad`
[INFO] [stderr]  --> src/ops/testing.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn validate_grad<T: TensorBackend>(input: TrackedTensor<T>, computation: &dyn for<'b> Fn(&TrackedTensor<'b, T>) -> TrackedTensor<'b, ...
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/tensor_backends/ndarray_backend.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tape::*`
[INFO] [stderr]   --> src/tensor_backends/indexing.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::tape::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tensor_backends::NdArray`
[INFO] [stderr]   --> src/tensor_backends/indexing.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use crate::tensor_backends::NdArray;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ops/logsoftmax.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut data = NdArray::from_slice(&[1., 2., 3., 4.]);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `backprop` (lib) generated 6 warnings
[INFO] [stderr] warning: `backprop` (lib test) generated 9 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backprop-db43fb7501254582)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tensor_backends::indexing::indexing_tests::index_test ... ok
[INFO] [stdout] test ops::add::add_tests::add_test ... ok
[INFO] [stdout] test ops::sum::tests::sum_test ... ok
[INFO] [stdout] test tensor_backends::ndarray_backend::ndarray_backend_tests::scalar_add ... ok
[INFO] [stdout] test ops::relu::relu_tests::relu_test ... ok
[INFO] [stdout] test ops::mul::tests::mul_test ... ok
[INFO] [stdout] test ops::matmul::matmul_tests::matmul_test ... ok
[INFO] [stdout] test ops::logsoftmax::logsoftmax_tests::logsoftmax_test ... FAILED
[INFO] [stdout] test layers::layer_tests::layer_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ops::logsoftmax::logsoftmax_tests::logsoftmax_test stdout ----
[INFO] [stdout] SM = NdArray([-3.4401898, -2.4401898, -1.4401898, -0.44018984], shape=[4], strides=[1], layout=C | F (0x3), dynamic ndim=1)
[INFO] [stdout] verifying index [0]
[INFO] [stdout] grad output: 4.0
[INFO] [stdout] child_grad: NdArray([1.0, 1.0, 1.0, 1.0], shape=[4], strides=[1], layout=C | F (0x3), dynamic ndim=1)
[INFO] [stdout] SM = NdArray([-3.4305117, -2.4405117, -1.4405117, -0.4405117], shape=[4], strides=[1], layout=C | F (0x3), dynamic ndim=1)
[INFO] [stdout] initial: -7.7607594
[INFO] [stdout] Delta: 0.01
[INFO] [stdout] Grad: -9.873127
[INFO] [stdout] actual: -7.7520466
[INFO] [stdout] predicted: -7.8594904
[INFO] [stdout] 
[INFO] [stdout] thread 'ops::logsoftmax::logsoftmax_tests::logsoftmax_test' panicked at 'assertion failed: error < 0.001', src/ops/testing.rs:37:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f7c2052c70 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f7c2052c70 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f7c2052c70 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f7c2052c70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f7c2075cac - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55f7c204fbd5 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55f7c2054deb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f7c2054deb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f7c2054deb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f7c20548fc - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f7c20554b4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f7c2054f67 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:517:13
[INFO] [stdout]   12:     0x55f7c205314c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f7c2054ef9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55f7c1f2a851 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55f7c1f2a79d - core::panicking::panic::h8a6bc58a21c6c095
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x55f7c1f67b0c - backprop::ops::testing::validate_grad::h288bcff070a97515
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ops/testing.rs:37:9
[INFO] [stdout]   17:     0x55f7c1f6855d - backprop::ops::logsoftmax::logsoftmax_tests::logsoftmax_test::h57b48a70c411eebd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ops/logsoftmax.rs:86:9
[INFO] [stdout]   18:     0x55f7c1f683ea - backprop::ops::logsoftmax::logsoftmax_tests::logsoftmax_test::{{closure}}::hfd9b8d73b7035820
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ops/logsoftmax.rs:80:5
[INFO] [stdout]   19:     0x55f7c1f5c47e - core::ops::function::FnOnce::call_once::h92bd00a8a1847300
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55f7c1fc0ec3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55f7c1fc0ec3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55f7c1fbf978 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55f7c1fbf978 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55f7c1fbf978 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55f7c1fbf978 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55f7c1fbf978 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55f7c1fbf978 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55f7c1fbf978 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55f7c1f8e10d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55f7c1f8e10d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55f7c1f928d8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55f7c1f928d8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55f7c1f928d8 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55f7c1f928d8 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55f7c1f928d8 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55f7c1f928d8 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55f7c1f928d8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55f7c205a027 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55f7c205a027 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55f7c205a027 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f978e54b609 - start_thread
[INFO] [stdout]   42:     0x7f978e7d6293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     ops::logsoftmax::logsoftmax_tests::logsoftmax_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "91fea5994bd3470cd61e8b718ff797407548d387d465bbed5dc8f33660954b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fea5994bd3470cd61e8b718ff797407548d387d465bbed5dc8f33660954b79", kill_on_drop: false }`
[INFO] [stdout] 91fea5994bd3470cd61e8b718ff797407548d387d465bbed5dc8f33660954b79
