[INFO] updating cached repository SSStormy/stdf-spectrogram [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/SSStormy/stdf-spectrogram [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/SSStormy/stdf-spectrogram" "work/ex/clippy-test-run/sources/stable/gh/SSStormy/stdf-spectrogram"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/SSStormy/stdf-spectrogram'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/SSStormy/stdf-spectrogram" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SSStormy/stdf-spectrogram"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SSStormy/stdf-spectrogram'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] daf81914b8c18b808b1296a239080ad07e1e47e3 [INFO] sha for GitHub repo SSStormy/stdf-spectrogram: daf81914b8c18b808b1296a239080ad07e1e47e3 [INFO] validating manifest of SSStormy/stdf-spectrogram on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of SSStormy/stdf-spectrogram on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing SSStormy/stdf-spectrogram [INFO] finished frobbing SSStormy/stdf-spectrogram [INFO] frobbed toml for SSStormy/stdf-spectrogram written to work/ex/clippy-test-run/sources/stable/gh/SSStormy/stdf-spectrogram/Cargo.toml [INFO] started frobbing SSStormy/stdf-spectrogram [INFO] finished frobbing SSStormy/stdf-spectrogram [INFO] frobbed toml for SSStormy/stdf-spectrogram written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SSStormy/stdf-spectrogram/Cargo.toml [INFO] crate SSStormy/stdf-spectrogram has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on the registry index [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting SSStormy/stdf-spectrogram against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/SSStormy/stdf-spectrogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8671f7358fa2093492663bf853bee308eca2681a94aa1214285f89fb0555623c [INFO] running `"docker" "start" "-a" "8671f7358fa2093492663bf853bee308eca2681a94aa1214285f89fb0555623c"` [INFO] [stderr] Checking bmp v0.4.0 [INFO] [stderr] Checking rustfft v2.0.0 [INFO] [stderr] Checking fft v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `freq` [INFO] [stderr] --> src/main.rs:68:29 [INFO] [stderr] | [INFO] [stderr] 68 | let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32; [INFO] [stderr] | ^^^^ help: consider using `_freq` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sampleSize` [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stderr] | ^^^^^^^^^^ help: consider using `_sampleSize` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | for i in 0..NUM_WORKERS { [INFO] [stderr] | ^ help: consider using `_i` instead [INFO] [stderr] [INFO] [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate` [INFO] [stderr] --> src/main.rs:28:27 [INFO] [stderr] | [INFO] [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size` [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:43:42 [INFO] [stderr] | [INFO] [stderr] 43 | let iterations = reader.duration() / reader.spec().channels as u32 / FFT_SIZE as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reader.spec().channels)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod` [INFO] [stderr] --> src/main.rs:50:10 [INFO] [stderr] | [INFO] [stderr] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv` [INFO] [stderr] --> src/main.rs:50:19 [INFO] [stderr] | [INFO] [stderr] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printProd` should have a snake case name such as `print_prod` [INFO] [stderr] --> src/main.rs:51:10 [INFO] [stderr] | [INFO] [stderr] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv` [INFO] [stderr] --> src/main.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter` [INFO] [stderr] --> src/main.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate` [INFO] [stderr] --> src/main.rs:61:50 [INFO] [stderr] | [INFO] [stderr] 61 | PrintJob::Print(iteration, data, sampleRate) => { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq` [INFO] [stderr] --> src/main.rs:62:25 [INFO] [stderr] | [INFO] [stderr] 62 | let minFreq = 20; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq` [INFO] [stderr] --> src/main.rs:63:25 [INFO] [stderr] | [INFO] [stderr] 63 | let maxFreq = 8000; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the loop variable `i` is used to index `data` [INFO] [stderr] --> src/main.rs:65:30 [INFO] [stderr] | [INFO] [stderr] 65 | for i in freq_to_bin(minFreq, sampleRate)..freq_to_bin(maxFreq, sampleRate) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 65 | for (i, ) in data.iter().enumerate().take(freq_to_bin(maxFreq, sampleRate)).skip(freq_to_bin(minFreq, sampleRate)) { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printThread` should have a snake case name such as `print_thread` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let printThread = thread::spawn(move || { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | jobProd.send(iteration); [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: variable `jobRecv` should have a snake case name such as `job_recv` [INFO] [stderr] --> src/main.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | let jobRecv = jobRecv.clone(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printProd` should have a snake case name such as `print_prod` [INFO] [stderr] --> src/main.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let printProd = printProd.clone(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:113:25 [INFO] [stderr] | [INFO] [stderr] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(spec.channels)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:82 [INFO] [stderr] | [INFO] [stderr] 121 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f32::from(val2)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:96 [INFO] [stderr] | [INFO] [stderr] 121 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(std::i16::MAX)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:129:90 [INFO] [stderr] | [INFO] [stderr] 129 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f32::from(val2)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:129:104 [INFO] [stderr] | [INFO] [stderr] 129 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(std::i16::MAX)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:144:25 [INFO] [stderr] | [INFO] [stderr] 144 | printProd.send(PrintJob::Print(iteration, output, spec.sample_rate)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/main.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 160 | io::stdout().flush().ok().expect("Could not flush stdout"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ok_expect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] warning: unused variable: `freq` [INFO] [stderr] --> src/main.rs:68:29 [INFO] [stderr] | [INFO] [stderr] 68 | let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32; [INFO] [stderr] | ^^^^ help: consider using `_freq` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sampleSize` [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stderr] | ^^^^^^^^^^ help: consider using `_sampleSize` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | for i in 0..NUM_WORKERS { [INFO] [stderr] | ^ help: consider using `_i` instead [INFO] [stderr] [INFO] [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate` [INFO] [stderr] --> src/main.rs:28:27 [INFO] [stderr] | [INFO] [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size` [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:43:42 [INFO] [stderr] | [INFO] [stderr] 43 | let iterations = reader.duration() / reader.spec().channels as u32 / FFT_SIZE as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reader.spec().channels)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod` [INFO] [stderr] --> src/main.rs:50:10 [INFO] [stderr] | [INFO] [stderr] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv` [INFO] [stderr] --> src/main.rs:50:19 [INFO] [stderr] | [INFO] [stderr] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printProd` should have a snake case name such as `print_prod` [INFO] [stderr] --> src/main.rs:51:10 [INFO] [stderr] | [INFO] [stderr] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv` [INFO] [stderr] --> src/main.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter` [INFO] [stderr] --> src/main.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate` [INFO] [stderr] --> src/main.rs:61:50 [INFO] [stderr] | [INFO] [stderr] 61 | PrintJob::Print(iteration, data, sampleRate) => { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq` [INFO] [stderr] --> src/main.rs:62:25 [INFO] [stderr] | [INFO] [stderr] 62 | let minFreq = 20; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq` [INFO] [stderr] --> src/main.rs:63:25 [INFO] [stderr] | [INFO] [stderr] 63 | let maxFreq = 8000; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the loop variable `i` is used to index `data` [INFO] [stderr] --> src/main.rs:65:30 [INFO] [stderr] | [INFO] [stderr] 65 | for i in freq_to_bin(minFreq, sampleRate)..freq_to_bin(maxFreq, sampleRate) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 65 | for (i, ) in data.iter().enumerate().take(freq_to_bin(maxFreq, sampleRate)).skip(freq_to_bin(minFreq, sampleRate)) { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printThread` should have a snake case name such as `print_thread` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let printThread = thread::spawn(move || { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | jobProd.send(iteration); [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: variable `jobRecv` should have a snake case name such as `job_recv` [INFO] [stderr] --> src/main.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | let jobRecv = jobRecv.clone(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `printProd` should have a snake case name such as `print_prod` [INFO] [stderr] --> src/main.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let printProd = printProd.clone(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:113:25 [INFO] [stderr] | [INFO] [stderr] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(spec.channels)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:82 [INFO] [stderr] | [INFO] [stderr] 121 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f32::from(val2)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:96 [INFO] [stderr] | [INFO] [stderr] 121 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(std::i16::MAX)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:129:90 [INFO] [stderr] | [INFO] [stderr] 129 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f32::from(val2)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:129:104 [INFO] [stderr] | [INFO] [stderr] 129 | Some(val) => match val { Result::Ok(val2) => val2 as f32 / std::i16::MAX as f32, Result::Err(_) => break } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(std::i16::MAX)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:144:25 [INFO] [stderr] | [INFO] [stderr] 144 | printProd.send(PrintJob::Print(iteration, output, spec.sample_rate)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/main.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 160 | io::stdout().flush().ok().expect("Could not flush stdout"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ok_expect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.32s [INFO] running `"docker" "inspect" "8671f7358fa2093492663bf853bee308eca2681a94aa1214285f89fb0555623c"` [INFO] running `"docker" "rm" "-f" "8671f7358fa2093492663bf853bee308eca2681a94aa1214285f89fb0555623c"` [INFO] [stdout] 8671f7358fa2093492663bf853bee308eca2681a94aa1214285f89fb0555623c