[INFO] cloning repository https://github.com/csm/lstm-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csm/lstm-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsm%2Flstm-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsm%2Flstm-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbd490de88d318dfe7d2ae779c10f7083434b06f
[INFO] checking csm/lstm-example against master#80b898258da78fdd1262438126aa0cf90e395f0c for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsm%2Flstm-example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/csm/lstm-example
[INFO] finished tweaking git repo https://github.com/csm/lstm-example
[INFO] tweaked toml for git repo https://github.com/csm/lstm-example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/csm/lstm-example on toolchain 80b898258da78fdd1262438126aa0cf90e395f0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/csm/lstm-example 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" "+80b898258da78fdd1262438126aa0cf90e395f0c" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b04413d83544eef61fc2f1175cb82187de55e275fbe3fc7d934b7ed1a0baedd
[INFO] running `Command { std: "docker" "start" "-a" "8b04413d83544eef61fc2f1175cb82187de55e275fbe3fc7d934b7ed1a0baedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b04413d83544eef61fc2f1175cb82187de55e275fbe3fc7d934b7ed1a0baedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b04413d83544eef61fc2f1175cb82187de55e275fbe3fc7d934b7ed1a0baedd", kill_on_drop: false }`
[INFO] [stdout] 8b04413d83544eef61fc2f1175cb82187de55e275fbe3fc7d934b7ed1a0baedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013cc241c669963ec85ed6c3fa55e1f4b07843968da883a1660bd05f5dc03b9b
[INFO] running `Command { std: "docker" "start" "-a" "013cc241c669963ec85ed6c3fa55e1f4b07843968da883a1660bd05f5dc03b9b", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Left` and `Right`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use either::{Left, Right};
[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 import: `std::fmt::format`
[INFO] [stdout]  --> src/dataset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `burn::tensor::DType`
[INFO] [stdout]   --> src/dataset.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use burn::tensor::DType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/dataset.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fon::{Audio, Stream};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ch16`
[INFO] [stdout]   --> src/dataset.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fon::chan::{Ch16, Ch32, Channel};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mono`
[INFO] [stdout]   --> src/dataset.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use fon::pos::{Left, Mono, Right};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColorOutput`, `DecodeOptions`, `Decoder`, `Encoder`, and `Frame`
[INFO] [stdout]   --> src/dataset.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use gif::{ColorOutput, DecodeOptions, Decoder, Encoder, Frame};
[INFO] [stdout]    |           ^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColourGradient`, `ColourTheme`, `FrequencyScale`, and `SpecOptionsBuilder`
[INFO] [stdout]   --> src/dataset.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sonogram::{ColourGradient, ColourTheme, FrequencyScale, SpecOptionsBuilder};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResamplerFft` and `SampleRate`
[INFO] [stdout]   --> src/dataset.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use resampler::{ResamplerFft, SampleRate};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rubato::FftFixedIn`
[INFO] [stdout]   --> src/dataset.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use rubato::FftFixedIn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BatchNormConfig`, `BatchNorm`, `DropoutConfig`, and `Dropout`
[INFO] [stdout]  --> src/model.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use burn::nn::{BatchNorm, BatchNormConfig, BiLstm, BiLstmConfig, Dropout, DropoutConfig, Linear, LinearConfig, Lstm, LstmConfig, Relu};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^^                        ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Conv2dConfig` and `Conv2d`
[INFO] [stdout]  --> src/model.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use burn::nn::conv::{Conv2d, Conv2dConfig};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MaxPool2dConfig` and `MaxPool2d`
[INFO] [stdout]  --> src/model.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use burn::nn::pool::{MaxPool2d, MaxPool2dConfig};
[INFO] [stdout]   |                      ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/model.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use burn::prelude::{s, Backend, Config, Int, Module, ToElement};
[INFO] [stdout]   |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/train.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `burn::data::dataset::Dataset`
[INFO] [stdout]  --> src/train.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use burn::data::dataset::Dataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Either`, `Left`, `Right`, and `for_both`
[INFO] [stdout]   --> src/train.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use either::{for_both, Either, Left, Right};
[INFO] [stdout]    |              ^^^^^^^^  ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/train.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::{debug, info};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Left` and `Right`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use either::{Left, Right};
[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 import: `std::fmt::format`
[INFO] [stdout]  --> src/dataset.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `burn::tensor::DType`
[INFO] [stdout]   --> src/dataset.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use burn::tensor::DType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/dataset.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fon::{Audio, Stream};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ch16`
[INFO] [stdout]   --> src/dataset.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fon::chan::{Ch16, Ch32, Channel};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mono`
[INFO] [stdout]   --> src/dataset.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use fon::pos::{Left, Mono, Right};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColorOutput`, `DecodeOptions`, `Decoder`, `Encoder`, and `Frame`
[INFO] [stdout]   --> src/dataset.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use gif::{ColorOutput, DecodeOptions, Decoder, Encoder, Frame};
[INFO] [stdout]    |           ^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColourGradient`, `ColourTheme`, `FrequencyScale`, and `SpecOptionsBuilder`
[INFO] [stdout]   --> src/dataset.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | use sonogram::{ColourGradient, ColourTheme, FrequencyScale, SpecOptionsBuilder};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResamplerFft` and `SampleRate`
[INFO] [stdout]   --> src/dataset.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use resampler::{ResamplerFft, SampleRate};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rubato::FftFixedIn`
[INFO] [stdout]   --> src/dataset.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use rubato::FftFixedIn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BatchNormConfig`, `BatchNorm`, `DropoutConfig`, and `Dropout`
[INFO] [stdout]  --> src/model.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use burn::nn::{BatchNorm, BatchNormConfig, BiLstm, BiLstmConfig, Dropout, DropoutConfig, Linear, LinearConfig, Lstm, LstmConfig, Relu};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^^                        ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Conv2dConfig` and `Conv2d`
[INFO] [stdout]  --> src/model.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use burn::nn::conv::{Conv2d, Conv2dConfig};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MaxPool2dConfig` and `MaxPool2d`
[INFO] [stdout]  --> src/model.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use burn::nn::pool::{MaxPool2d, MaxPool2dConfig};
[INFO] [stdout]   |                      ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/model.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use burn::prelude::{s, Backend, Config, Int, Module, ToElement};
[INFO] [stdout]   |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/train.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `burn::data::dataset::Dataset`
[INFO] [stdout]  --> src/train.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use burn::data::dataset::Dataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Either`, `Left`, `Right`, and `for_both`
[INFO] [stdout]   --> src/train.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use either::{for_both, Either, Left, Right};
[INFO] [stdout]    |              ^^^^^^^^  ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/train.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::{debug, info};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_features`
[INFO] [stdout]    --> src/main.rs:141:72
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...t, checkpoint_dir, frames, bands, num_features, num_classes, hidden_size, num_layers, bidirectional, window_secs, step_by_secs }...
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try ignoring the field: `num_features: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fs_id`, `start`, `end`, `salience`, and `class` are never read
[INFO] [stdout]   --> src/dataset.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct UrbanSoundItem {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fs_id: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub start: f64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub end: f64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 32 |     pub salience: i16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub class: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UrbanSoundItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `bands` are never read
[INFO] [stdout]   --> src/dataset.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct UrbanSoundDataset {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 43 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |     pub dataset: InMemDataset<UrbanSoundItem>,
[INFO] [stdout] 45 |     pub bands: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frames` is never read
[INFO] [stdout]   --> src/dataset.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct UrbanSoundBatcher {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 71 |     pub frames: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UrbanSoundBatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_RATE` is never used
[INFO] [stdout]   --> src/dataset.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | const SAMPLE_RATE: u32 = 44_100;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_wav_to_audio` is never used
[INFO] [stdout]   --> src/dataset.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn int_wav_to_audio<const CH: usize>(wav: &mut WavReader<File>) -> Result<Audio<Ch32, CH>, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float_wav_to_audio` is never used
[INFO] [stdout]   --> src/dataset.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn float_wav_to_audio<const CH: usize>(wav: &mut WavReader<File>) -> Result<Audio<Ch32, CH>, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stereo_to_mono` is never used
[INFO] [stdout]    --> src/dataset.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn stereo_to_mono(stereo_in: Audio<Ch32, 2>) -> Vec<f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_features`
[INFO] [stdout]    --> src/main.rs:141:72
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...t, checkpoint_dir, frames, bands, num_features, num_classes, hidden_size, num_layers, bidirectional, window_secs, step_by_secs }...
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try ignoring the field: `num_features: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fs_id`, `start`, `end`, `salience`, and `class` are never read
[INFO] [stdout]   --> src/dataset.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct UrbanSoundItem {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fs_id: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub start: f64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub end: f64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 32 |     pub salience: i16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub class: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UrbanSoundItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `bands` are never read
[INFO] [stdout]   --> src/dataset.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct UrbanSoundDataset {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 43 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |     pub dataset: InMemDataset<UrbanSoundItem>,
[INFO] [stdout] 45 |     pub bands: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frames` is never read
[INFO] [stdout]   --> src/dataset.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct UrbanSoundBatcher {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 71 |     pub frames: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UrbanSoundBatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_RATE` is never used
[INFO] [stdout]   --> src/dataset.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | const SAMPLE_RATE: u32 = 44_100;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_wav_to_audio` is never used
[INFO] [stdout]   --> src/dataset.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn int_wav_to_audio<const CH: usize>(wav: &mut WavReader<File>) -> Result<Audio<Ch32, CH>, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float_wav_to_audio` is never used
[INFO] [stdout]   --> src/dataset.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn float_wav_to_audio<const CH: usize>(wav: &mut WavReader<File>) -> Result<Audio<Ch32, CH>, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stereo_to_mono` is never used
[INFO] [stdout]    --> src/dataset.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn stereo_to_mono(stereo_in: Audio<Ch32, 2>) -> Vec<f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 49s
[INFO] running `Command { std: "docker" "inspect" "013cc241c669963ec85ed6c3fa55e1f4b07843968da883a1660bd05f5dc03b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013cc241c669963ec85ed6c3fa55e1f4b07843968da883a1660bd05f5dc03b9b", kill_on_drop: false }`
[INFO] [stdout] 013cc241c669963ec85ed6c3fa55e1f4b07843968da883a1660bd05f5dc03b9b