[INFO] cloning repository https://github.com/RobertZ2011/spectralgenesis
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobertZ2011/spectralgenesis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertZ2011%2Fspectralgenesis"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertZ2011%2Fspectralgenesis'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6701134465a9580ec2a1ed45d5c98a33d64efaf
[INFO] checking RobertZ2011/spectralgenesis against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertZ2011%2Fspectralgenesis" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobertZ2011/spectralgenesis on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RobertZ2011/spectralgenesis
[INFO] finished tweaking git repo https://github.com/RobertZ2011/spectralgenesis
[INFO] tweaked toml for git repo https://github.com/RobertZ2011/spectralgenesis written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/RobertZ2011/spectralgenesis already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 748a5f2ca87471216abc519279b8c8df807a90e4f94ec0c3dac4544930fe12fc
[INFO] running `"docker" "start" "-a" "748a5f2ca87471216abc519279b8c8df807a90e4f94ec0c3dac4544930fe12fc"`
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking minimp3-sys v0.3.0
[INFO] [stderr]     Checking rustfft v2.1.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking minimp3 v0.3.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking spectralgenesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mp3.rs:14:44
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn open(file: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/wav.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/wav.rs:59:45
[INFO] [stderr]    |
[INFO] [stderr] 59 |      pub fn open(file: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/raw.rs:18:42
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/raw.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn create(path: &Path) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mod.rs:36:76
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn decode_file(path: &std::path::Path, audio_type: Type) -> Result<Box<Decoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mod.rs:52:76
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_file(path: &std::path::Path, audio_type: Type) -> Result<Box<Encoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^ help: use `dyn`: `dyn Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fft/cpu_fft.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     forward: Arc<FFT<f32>>,
[INFO] [stderr]    |                  ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fft/cpu_fft.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     inverse: Arc<FFT<f32>>
[INFO] [stderr]    |                  ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                     ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:78
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:101
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                     ^^^^^^^ help: use `dyn`: `dyn Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:38:71
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn get_samples(required_samples: usize, channel: usize, decoder: &mut Decoder) -> Samples {
[INFO] [stderr]    |                                                                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn process_slice(fft_engine: &Fft, image: &DynamicImage, audio_time: &mut [Complex32], audio_freq: &mut [Complex32]) {
[INFO] [stderr]    |                               ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:106:39
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn visualize_decoder(fft_engine: &Fft, channel: usize, decoder: &mut Decoder, quanta: u32, verbose: bool, strict: bool) -> Option<DynamicImage> {
[INFO] [stderr]     |                                       ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:106:74
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn visualize_decoder(fft_engine: &Fft, channel: usize, decoder: &mut Decoder, quanta: u32, verbose: bool, strict: bool) -> Option<DynamicImage> {
[INFO] [stderr]     |                                                                          ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:125:33
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn visualize_slice(fft_engine: &Fft, audio_time: &mut [Complex32], audio_freq: &mut [Complex32], quanta: u32) -> Option<DynamicImage> {
[INFO] [stderr]     |                                 ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/audio/raw.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |               ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/process.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let (mut data, rest) = get_samples(required_samples, 0, decoder);
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `verbose`
[INFO] [stderr]   --> src/process.rs:13:110
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                              ^^^^^^^ help: consider prefixing with an underscore: `_verbose`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `strict`
[INFO] [stderr]   --> src/process.rs:13:125
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                                             ^^^^^^ help: consider prefixing with an underscore: `_strict`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open`
[INFO] [stderr]   --> src/audio/wav.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `reader`
[INFO] [stderr]   --> src/audio/raw.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     reader: BufReader<File>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create`
[INFO] [stderr]   --> src/audio/raw.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]  --> src/process.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 image.save(Path::new(image_out));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/audio/wav.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 self.encoder.write_sample((frame.data[j][i] * 32_767.0) as i16);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/audio/raw.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             write!(&mut self.writer, "{}\n", *sample);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mp3.rs:14:44
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn open(file: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/wav.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/wav.rs:59:45
[INFO] [stderr]    |
[INFO] [stderr] 59 |      pub fn open(file: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/raw.rs:18:42
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/raw.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn create(path: &Path) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn audio::Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mod.rs:36:76
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn decode_file(path: &std::path::Path, audio_type: Type) -> Result<Box<Decoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio/mod.rs:52:76
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_file(path: &std::path::Path, audio_type: Type) -> Result<Box<Encoder>, DecodeError> {
[INFO] [stderr]    |                                                                            ^^^^^^^ help: use `dyn`: `dyn Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fft/cpu_fft.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     forward: Arc<FFT<f32>>,
[INFO] [stderr]    |                  ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fft/cpu_fft.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     inverse: Arc<FFT<f32>>
[INFO] [stderr]    |                  ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                     ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:78
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:13:101
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                     ^^^^^^^ help: use `dyn`: `dyn Encoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:38:71
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn get_samples(required_samples: usize, channel: usize, decoder: &mut Decoder) -> Samples {
[INFO] [stderr]    |                                                                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn process_slice(fft_engine: &Fft, image: &DynamicImage, audio_time: &mut [Complex32], audio_freq: &mut [Complex32]) {
[INFO] [stderr]    |                               ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:106:39
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn visualize_decoder(fft_engine: &Fft, channel: usize, decoder: &mut Decoder, quanta: u32, verbose: bool, strict: bool) -> Option<DynamicImage> {
[INFO] [stderr]     |                                       ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:106:74
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn visualize_decoder(fft_engine: &Fft, channel: usize, decoder: &mut Decoder, quanta: u32, verbose: bool, strict: bool) -> Option<DynamicImage> {
[INFO] [stderr]     |                                                                          ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:125:33
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn visualize_slice(fft_engine: &Fft, audio_time: &mut [Complex32], audio_freq: &mut [Complex32], quanta: u32) -> Option<DynamicImage> {
[INFO] [stderr]     |                                 ^^^ help: use `dyn`: `dyn Fft`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/audio/raw.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |               ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/process.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let (mut data, rest) = get_samples(required_samples, 0, decoder);
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `verbose`
[INFO] [stderr]   --> src/process.rs:13:110
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                              ^^^^^^^ help: consider prefixing with an underscore: `_verbose`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `strict`
[INFO] [stderr]   --> src/process.rs:13:125
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
[INFO] [stderr]    |                                                                                                                             ^^^^^^ help: consider prefixing with an underscore: `_strict`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open`
[INFO] [stderr]   --> src/audio/wav.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `reader`
[INFO] [stderr]   --> src/audio/raw.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     reader: BufReader<File>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create`
[INFO] [stderr]   --> src/audio/raw.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]  --> src/process.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 image.save(Path::new(image_out));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/audio/wav.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 self.encoder.write_sample((frame.data[j][i] * 32_767.0) as i16);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/audio/raw.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             write!(&mut self.writer, "{}\n", *sample);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.19s
[INFO] running `"docker" "inspect" "748a5f2ca87471216abc519279b8c8df807a90e4f94ec0c3dac4544930fe12fc"`
[INFO] running `"docker" "rm" "-f" "748a5f2ca87471216abc519279b8c8df807a90e4f94ec0c3dac4544930fe12fc"`
[INFO] [stdout] 748a5f2ca87471216abc519279b8c8df807a90e4f94ec0c3dac4544930fe12fc