Dec 06 09:57:54.925 INFO testing SSStormy/stdf-spectrogram against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 09:57:54.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 09:57:55.476 INFO [stdout] 968bf47f4133b79512895f8eb4932af7a0625efd8a0464fbbc7d49a8b6047662
Dec 06 09:57:55.482 INFO running `"docker" "start" "-a" "968bf47f4133b79512895f8eb4932af7a0625efd8a0464fbbc7d49a8b6047662"`
Dec 06 09:57:56.863 INFO [stderr] usermod: no changes
Dec 06 09:57:56.988 INFO [stderr]    Compiling spmc v0.2.2
Dec 06 09:57:56.988 INFO [stderr]    Compiling bmp v0.4.0
Dec 06 09:57:56.996 INFO [stderr]    Compiling rustfft v2.0.0
Dec 06 09:57:59.654 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 06 09:58:00.160 INFO [stderr] warning: unused variable: `freq`
Dec 06 09:58:00.161 INFO [stderr]   --> src/main.rs:68:29
Dec 06 09:58:00.161 INFO [stderr]    |
Dec 06 09:58:00.161 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 06 09:58:00.162 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 06 09:58:00.162 INFO [stderr]    |
Dec 06 09:58:00.162 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:58:00.162 INFO [stderr] 
Dec 06 09:58:00.163 INFO [stderr] warning: unused variable: `sampleSize`
Dec 06 09:58:00.163 INFO [stderr]   --> src/main.rs:40:9
Dec 06 09:58:00.163 INFO [stderr]    |
Dec 06 09:58:00.163 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 06 09:58:00.164 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 06 09:58:00.164 INFO [stderr] 
Dec 06 09:58:00.164 INFO [stderr] warning: unused variable: `i`
Dec 06 09:58:00.165 INFO [stderr]   --> src/main.rs:95:9
Dec 06 09:58:00.165 INFO [stderr]    |
Dec 06 09:58:00.165 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 06 09:58:00.165 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 06 09:58:00.166 INFO [stderr] 
Dec 06 09:58:00.187 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 06 09:58:00.188 INFO [stderr]   --> src/main.rs:28:27
Dec 06 09:58:00.188 INFO [stderr]    |
Dec 06 09:58:00.188 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 06 09:58:00.189 INFO [stderr]    |                           ^^^^^^^^^^
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:40:9
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 06 09:58:00.189 INFO [stderr]    |         ^^^^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:50:10
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 06 09:58:00.189 INFO [stderr]    |          ^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:50:19
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 06 09:58:00.189 INFO [stderr]    |                   ^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:51:10
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 06 09:58:00.189 INFO [stderr]    |          ^^^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:51:21
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 06 09:58:00.189 INFO [stderr]    |                     ^^^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 06 09:58:00.189 INFO [stderr]   --> src/main.rs:55:13
Dec 06 09:58:00.189 INFO [stderr]    |
Dec 06 09:58:00.189 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 06 09:58:00.189 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 06 09:58:00.189 INFO [stderr] 
Dec 06 09:58:00.189 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:61:50
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 06 09:58:00.190 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:62:25
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 62 |                     let minFreq = 20;
Dec 06 09:58:00.190 INFO [stderr]    |                         ^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:63:25
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 06 09:58:00.190 INFO [stderr]    |                         ^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:53:9
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 06 09:58:00.190 INFO [stderr]    |         ^^^^^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:88:9
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 06 09:58:00.190 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 09:58:00.190 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:96:13
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 06 09:58:00.190 INFO [stderr]    |             ^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 06 09:58:00.190 INFO [stderr]   --> src/main.rs:97:13
Dec 06 09:58:00.190 INFO [stderr]    |
Dec 06 09:58:00.190 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 06 09:58:00.190 INFO [stderr]    |             ^^^^^^^^^
Dec 06 09:58:00.190 INFO [stderr] 
Dec 06 09:58:00.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:00.190 INFO [stderr]    --> src/main.rs:113:25
Dec 06 09:58:00.190 INFO [stderr]     |
Dec 06 09:58:00.190 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 06 09:58:00.190 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:00.191 INFO [stderr]     |
Dec 06 09:58:00.191 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:00.191 INFO [stderr] 
Dec 06 09:58:00.191 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:00.191 INFO [stderr]    --> src/main.rs:144:25
Dec 06 09:58:00.191 INFO [stderr]     |
Dec 06 09:58:00.191 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 06 09:58:00.191 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:00.191 INFO [stderr]     |
Dec 06 09:58:00.191 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:00.191 INFO [stderr] 
Dec 06 09:58:03.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
Dec 06 09:58:03.824 INFO [stderr] su: No module specific data is present
Dec 06 09:58:05.216 INFO running `"docker" "inspect" "968bf47f4133b79512895f8eb4932af7a0625efd8a0464fbbc7d49a8b6047662"`
Dec 06 09:58:05.506 INFO running `"docker" "rm" "-f" "968bf47f4133b79512895f8eb4932af7a0625efd8a0464fbbc7d49a8b6047662"`
Dec 06 09:58:05.884 INFO [stdout] 968bf47f4133b79512895f8eb4932af7a0625efd8a0464fbbc7d49a8b6047662
Dec 06 09:58:05.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 09:58:06.343 INFO [stdout] 7648c784d1818de025dfb1092f242681bd0e6a2d4dedb978027d81b90e23e34b
Dec 06 09:58:06.345 INFO running `"docker" "start" "-a" "7648c784d1818de025dfb1092f242681bd0e6a2d4dedb978027d81b90e23e34b"`
Dec 06 09:58:07.731 INFO [stderr] usermod: no changes
Dec 06 09:58:07.822 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 06 09:58:08.288 INFO [stderr] warning: unused variable: `freq`
Dec 06 09:58:08.288 INFO [stderr]   --> src/main.rs:68:29
Dec 06 09:58:08.288 INFO [stderr]    |
Dec 06 09:58:08.288 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 06 09:58:08.288 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 06 09:58:08.288 INFO [stderr]    |
Dec 06 09:58:08.288 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:58:08.288 INFO [stderr] 
Dec 06 09:58:08.288 INFO [stderr] warning: unused variable: `sampleSize`
Dec 06 09:58:08.288 INFO [stderr]   --> src/main.rs:40:9
Dec 06 09:58:08.288 INFO [stderr]    |
Dec 06 09:58:08.288 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 06 09:58:08.288 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 06 09:58:08.288 INFO [stderr] 
Dec 06 09:58:08.288 INFO [stderr] warning: unused variable: `i`
Dec 06 09:58:08.288 INFO [stderr]   --> src/main.rs:95:9
Dec 06 09:58:08.288 INFO [stderr]    |
Dec 06 09:58:08.288 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 06 09:58:08.288 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 06 09:58:08.288 INFO [stderr] 
Dec 06 09:58:08.304 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 06 09:58:08.304 INFO [stderr]   --> src/main.rs:28:27
Dec 06 09:58:08.304 INFO [stderr]    |
Dec 06 09:58:08.304 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 06 09:58:08.304 INFO [stderr]    |                           ^^^^^^^^^^
Dec 06 09:58:08.304 INFO [stderr]    |
Dec 06 09:58:08.304 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 09:58:08.304 INFO [stderr] 
Dec 06 09:58:08.304 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 06 09:58:08.304 INFO [stderr]   --> src/main.rs:40:9
Dec 06 09:58:08.304 INFO [stderr]    |
Dec 06 09:58:08.304 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 06 09:58:08.304 INFO [stderr]    |         ^^^^^^^^^^
Dec 06 09:58:08.304 INFO [stderr] 
Dec 06 09:58:08.304 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 06 09:58:08.305 INFO [stderr]   --> src/main.rs:50:10
Dec 06 09:58:08.305 INFO [stderr]    |
Dec 06 09:58:08.305 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 06 09:58:08.305 INFO [stderr]    |          ^^^^^^^
Dec 06 09:58:08.305 INFO [stderr] 
Dec 06 09:58:08.305 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 06 09:58:08.305 INFO [stderr]   --> src/main.rs:50:19
Dec 06 09:58:08.305 INFO [stderr]    |
Dec 06 09:58:08.305 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 06 09:58:08.305 INFO [stderr]    |                   ^^^^^^^
Dec 06 09:58:08.305 INFO [stderr] 
Dec 06 09:58:08.305 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 06 09:58:08.305 INFO [stderr]   --> src/main.rs:51:10
Dec 06 09:58:08.305 INFO [stderr]    |
Dec 06 09:58:08.305 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 06 09:58:08.305 INFO [stderr]    |          ^^^^^^^^^
Dec 06 09:58:08.305 INFO [stderr] 
Dec 06 09:58:08.305 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:51:21
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 06 09:58:08.306 INFO [stderr]    |                     ^^^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.306 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:55:13
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 06 09:58:08.306 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.306 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:61:50
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 06 09:58:08.306 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.306 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:62:25
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 62 |                     let minFreq = 20;
Dec 06 09:58:08.306 INFO [stderr]    |                         ^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.306 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:63:25
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 06 09:58:08.306 INFO [stderr]    |                         ^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.306 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 06 09:58:08.306 INFO [stderr]   --> src/main.rs:53:9
Dec 06 09:58:08.306 INFO [stderr]    |
Dec 06 09:58:08.306 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 06 09:58:08.306 INFO [stderr]    |         ^^^^^^^^^^^
Dec 06 09:58:08.306 INFO [stderr] 
Dec 06 09:58:08.307 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:08.307 INFO [stderr]   --> src/main.rs:88:9
Dec 06 09:58:08.307 INFO [stderr]    |
Dec 06 09:58:08.307 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 06 09:58:08.307 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:08.307 INFO [stderr]    |
Dec 06 09:58:08.307 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 09:58:08.307 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:08.307 INFO [stderr] 
Dec 06 09:58:08.307 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 06 09:58:08.307 INFO [stderr]   --> src/main.rs:96:13
Dec 06 09:58:08.307 INFO [stderr]    |
Dec 06 09:58:08.307 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 06 09:58:08.307 INFO [stderr]    |             ^^^^^^^
Dec 06 09:58:08.307 INFO [stderr] 
Dec 06 09:58:08.307 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 06 09:58:08.307 INFO [stderr]   --> src/main.rs:97:13
Dec 06 09:58:08.307 INFO [stderr]    |
Dec 06 09:58:08.307 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 06 09:58:08.308 INFO [stderr]    |             ^^^^^^^^^
Dec 06 09:58:08.308 INFO [stderr] 
Dec 06 09:58:08.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:08.308 INFO [stderr]    --> src/main.rs:113:25
Dec 06 09:58:08.308 INFO [stderr]     |
Dec 06 09:58:08.308 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 06 09:58:08.308 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:08.308 INFO [stderr]     |
Dec 06 09:58:08.308 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:08.308 INFO [stderr] 
Dec 06 09:58:08.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:58:08.308 INFO [stderr]    --> src/main.rs:144:25
Dec 06 09:58:08.308 INFO [stderr]     |
Dec 06 09:58:08.308 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 06 09:58:08.308 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:58:08.308 INFO [stderr]     |
Dec 06 09:58:08.308 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:58:08.308 INFO [stderr] 
Dec 06 09:58:08.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 06 09:58:08.708 INFO [stderr] su: No module specific data is present
Dec 06 09:58:10.116 INFO running `"docker" "inspect" "7648c784d1818de025dfb1092f242681bd0e6a2d4dedb978027d81b90e23e34b"`
Dec 06 09:58:10.394 INFO running `"docker" "rm" "-f" "7648c784d1818de025dfb1092f242681bd0e6a2d4dedb978027d81b90e23e34b"`
Dec 06 09:58:10.816 INFO [stdout] 7648c784d1818de025dfb1092f242681bd0e6a2d4dedb978027d81b90e23e34b
Dec 06 09:58:10.824 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 09:58:11.281 INFO [stdout] 32a7d8d0fbd96900a06758ea36293a16dbc4c365da243b6d5bcf1902ed94662f
Dec 06 09:58:11.282 INFO running `"docker" "start" "-a" "32a7d8d0fbd96900a06758ea36293a16dbc4c365da243b6d5bcf1902ed94662f"`
Dec 06 09:58:13.724 INFO [stderr] usermod: no changes
Dec 06 09:58:13.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 06 09:58:13.868 INFO [stderr]      Running /target/debug/deps/fft-fc7c4a6609cc2e48
Dec 06 09:58:13.872 INFO [stdout] 
Dec 06 09:58:13.872 INFO [stdout] running 0 tests
Dec 06 09:58:13.872 INFO [stdout] 
Dec 06 09:58:13.872 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:58:13.872 INFO [stdout] 
Dec 06 09:58:13.876 INFO [stderr] su: No module specific data is present
Dec 06 09:58:15.409 INFO running `"docker" "inspect" "32a7d8d0fbd96900a06758ea36293a16dbc4c365da243b6d5bcf1902ed94662f"`
Dec 06 09:58:15.774 INFO running `"docker" "rm" "-f" "32a7d8d0fbd96900a06758ea36293a16dbc4c365da243b6d5bcf1902ed94662f"`
Dec 06 09:58:16.150 INFO [stdout] 32a7d8d0fbd96900a06758ea36293a16dbc4c365da243b6d5bcf1902ed94662f