[INFO] cloning repository https://github.com/Baseng0815/rl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baseng0815/rl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Frl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Frl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58947c073462b680a8fc198cdd1c5dca3c6f5791
[INFO] checking Baseng0815/rl against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Frl" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Baseng0815/rl
[INFO] finished tweaking git repo https://github.com/Baseng0815/rl
[INFO] tweaked toml for git repo https://github.com/Baseng0815/rl written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Baseng0815/rl on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Baseng0815/rl 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e26b79beb63e8e0b071d73c683668f5958184408589fe9d2515a4532f2b6a78f
[INFO] running `Command { std: "docker" "start" "-a" "e26b79beb63e8e0b071d73c683668f5958184408589fe9d2515a4532f2b6a78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26b79beb63e8e0b071d73c683668f5958184408589fe9d2515a4532f2b6a78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26b79beb63e8e0b071d73c683668f5958184408589fe9d2515a4532f2b6a78f", kill_on_drop: false }`
[INFO] [stdout] e26b79beb63e8e0b071d73c683668f5958184408589fe9d2515a4532f2b6a78f
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43ee9d6629812b64d011e07f3b884a5624d672a02fe580f288473f75ffe89df4
[INFO] running `Command { std: "docker" "start" "-a" "43ee9d6629812b64d011e07f3b884a5624d672a02fe580f288473f75ffe89df4", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `fnv::FnvHashMap`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fnv::FnvHashMap;
[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 imports: `Array1`, `ArrayBase`, `ArrayViewD`, `Axis`, `IntoPyArray`, `PyArray2`, `PyArrayDyn`, `PyReadonlyArrayDyn`, and `PyUntypedArrayMethods`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IntoPyArray, PyArray1, PyArray2, PyArrayDyn, PyReadonlyArray1, PyReadonlyArray2,
[INFO] [stdout]   |     ^^^^^^^^^^^            ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 7 |     PyReadonlyArrayDyn, PyUntypedArrayMethods,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     ndarray::{Array1, ArrayBase, ArrayViewD, Axis},
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `exceptions::PyPendingDeprecationWarning`
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pyo3::{exceptions::PyPendingDeprecationWarning, prelude::*};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IndexedRandom`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::seq::IndexedRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `NdArray`, `TensorData`, `Wgpu`, `decay::WeightDecayConfig`, `graphics::OpenGl`, `ops::FloatTensor`, and `self`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         wgpu::{self, graphics::OpenGl}, Autodiff, Cuda, NdArray, Wgpu
[INFO] [stdout]    |                ^^^^  ^^^^^^^^^^^^^^^^                   ^^^^^^^  ^^^^
[INFO] [stdout] 13 |     }, config::Config, module::Module, nn::{
[INFO] [stdout] 14 |         loss::{CrossEntropyLoss, MseLoss, Reduction}, Dropout, DropoutConfig, Gelu, Initializer, Linear, LinearConfig
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     }, optim::{
[INFO] [stdout] 16 |         adaptor::OptimizerAdaptor, decay::WeightDecayConfig, Adam, AdamConfig, GradientsParams, Optimizer
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     }, prelude::{Backend, ToElement}, tensor::{backend::AutodiffBackend, ops::FloatTensor, Float, Int, TensorData}, Tensor
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `ArrayBase`, `ArrayViewD`, `IntoPyArray`, and `PyArray2`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     IntoPyArray, PyArray1, PyArray2, PyArrayMethods, PyReadonlyArray1, PyReadonlyArray2,
[INFO] [stdout]    |     ^^^^^^^^^^^            ^^^^^^^^
[INFO] [stdout] 22 |     PyUntypedArrayMethods,
[INFO] [stdout] 23 |     ndarray::{Array1, ArrayBase, ArrayViewD, Axis},
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/util.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     tensor::{BasicOps, Float, TensorData, TensorKind},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fnv::FnvHashMap`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fnv::FnvHashMap;
[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 imports: `Array1`, `ArrayBase`, `ArrayViewD`, `Axis`, `IntoPyArray`, `PyArray2`, `PyArrayDyn`, `PyReadonlyArrayDyn`, and `PyUntypedArrayMethods`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IntoPyArray, PyArray1, PyArray2, PyArrayDyn, PyReadonlyArray1, PyReadonlyArray2,
[INFO] [stdout]   |     ^^^^^^^^^^^            ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 7 |     PyReadonlyArrayDyn, PyUntypedArrayMethods,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     ndarray::{Array1, ArrayBase, ArrayViewD, Axis},
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `exceptions::PyPendingDeprecationWarning`
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pyo3::{exceptions::PyPendingDeprecationWarning, prelude::*};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IndexedRandom`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::seq::IndexedRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `NdArray`, `TensorData`, `Wgpu`, `decay::WeightDecayConfig`, `graphics::OpenGl`, `ops::FloatTensor`, and `self`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         wgpu::{self, graphics::OpenGl}, Autodiff, Cuda, NdArray, Wgpu
[INFO] [stdout]    |                ^^^^  ^^^^^^^^^^^^^^^^                   ^^^^^^^  ^^^^
[INFO] [stdout] 13 |     }, config::Config, module::Module, nn::{
[INFO] [stdout] 14 |         loss::{CrossEntropyLoss, MseLoss, Reduction}, Dropout, DropoutConfig, Gelu, Initializer, Linear, LinearConfig
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     }, optim::{
[INFO] [stdout] 16 |         adaptor::OptimizerAdaptor, decay::WeightDecayConfig, Adam, AdamConfig, GradientsParams, Optimizer
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     }, prelude::{Backend, ToElement}, tensor::{backend::AutodiffBackend, ops::FloatTensor, Float, Int, TensorData}, Tensor
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `ArrayBase`, `ArrayViewD`, `IntoPyArray`, and `PyArray2`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     IntoPyArray, PyArray1, PyArray2, PyArrayMethods, PyReadonlyArray1, PyReadonlyArray2,
[INFO] [stdout]    |     ^^^^^^^^^^^            ^^^^^^^^
[INFO] [stdout] 22 |     PyUntypedArrayMethods,
[INFO] [stdout] 23 |     ndarray::{Array1, ArrayBase, ArrayViewD, Axis},
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/util.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     tensor::{BasicOps, Float, TensorData, TensorKind},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyUntypedArrayMethods`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     PyUntypedArrayMethods,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         for epoch in 0..self.epochs_per_step {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `axis`
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:292:23
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .map(|axis| random_range(0..=1))
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_axis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/util.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     device: &B::Device,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Action` is never used
[INFO] [stdout]   --> src/lib.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type Action = i64;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `action_hold` is never read
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct VanillaDQNAgent<B: AutodiffBackend> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     action_hold: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_dims` is never used
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:375:4
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn print_dims<B: Backend, const D: usize>(tensor: Tensor<B, D>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_floats` is never used
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:380:4
[INFO] [stdout]     |
[INFO] [stdout] 380 | fn print_floats<B: Backend, const D: usize>(tensor: Tensor<B, D>, dim: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CartPoleState` is never constructed
[INFO] [stdout]  --> src/environments/cart_pole.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct CartPoleState {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_observation` is never used
[INFO] [stdout]   --> src/environments/cart_pole.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl CartPoleState {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 11 |     fn from_observation(obs: &[f32]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyUntypedArrayMethods`
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     PyUntypedArrayMethods,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epoch`
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         for epoch in 0..self.epochs_per_step {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `axis`
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:292:23
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .map(|axis| random_range(0..=1))
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_axis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> src/util.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     device: &B::Device,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Action` is never used
[INFO] [stdout]   --> src/lib.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type Action = i64;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `action_hold` is never read
[INFO] [stdout]   --> src/deep/vanilla_dqn.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct VanillaDQNAgent<B: AutodiffBackend> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     action_hold: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_dims` is never used
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:375:4
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn print_dims<B: Backend, const D: usize>(tensor: Tensor<B, D>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_floats` is never used
[INFO] [stdout]    --> src/deep/vanilla_dqn.rs:380:4
[INFO] [stdout]     |
[INFO] [stdout] 380 | fn print_floats<B: Backend, const D: usize>(tensor: Tensor<B, D>, dim: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CartPoleState` is never constructed
[INFO] [stdout]  --> src/environments/cart_pole.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct CartPoleState {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_observation` is never used
[INFO] [stdout]   --> src/environments/cart_pole.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl CartPoleState {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 11 |     fn from_observation(obs: &[f32]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 23s
[INFO] running `Command { std: "docker" "inspect" "43ee9d6629812b64d011e07f3b884a5624d672a02fe580f288473f75ffe89df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ee9d6629812b64d011e07f3b884a5624d672a02fe580f288473f75ffe89df4", kill_on_drop: false }`
[INFO] [stdout] 43ee9d6629812b64d011e07f3b884a5624d672a02fe580f288473f75ffe89df4
