Dec 14 06:08:17.009 INFO testing SSStormy/stdf-spectrogram against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:08:17.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 06:08:17.427 INFO [stdout] 791679989f9b9fde744522b41070e5f3f01a3ef87cd437061dd8f7223cf63731
Dec 14 06:08:17.433 INFO running `"docker" "start" "-a" "791679989f9b9fde744522b41070e5f3f01a3ef87cd437061dd8f7223cf63731"`
Dec 14 06:08:18.527 INFO [stderr] usermod: no changes
Dec 14 06:08:18.603 INFO [stderr]    Compiling rustfft v2.0.0
Dec 14 06:08:20.315 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 14 06:08:21.107 INFO [stderr] warning: unused variable: `freq`
Dec 14 06:08:21.107 INFO [stderr]   --> src/main.rs:68:29
Dec 14 06:08:21.107 INFO [stderr]    |
Dec 14 06:08:21.107 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 14 06:08:21.107 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 14 06:08:21.107 INFO [stderr]    |
Dec 14 06:08:21.107 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:08:21.107 INFO [stderr] 
Dec 14 06:08:21.107 INFO [stderr] warning: unused variable: `sampleSize`
Dec 14 06:08:21.107 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:21.107 INFO [stderr]    |
Dec 14 06:08:21.107 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:21.107 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 14 06:08:21.107 INFO [stderr] 
Dec 14 06:08:21.107 INFO [stderr] warning: unused variable: `i`
Dec 14 06:08:21.107 INFO [stderr]   --> src/main.rs:95:9
Dec 14 06:08:21.107 INFO [stderr]    |
Dec 14 06:08:21.107 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 14 06:08:21.107 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 14 06:08:21.107 INFO [stderr] 
Dec 14 06:08:21.131 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:21.131 INFO [stderr]   --> src/main.rs:28:27
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 14 06:08:21.132 INFO [stderr]    |                           ^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:21.132 INFO [stderr]    |         ^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:50:10
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:21.132 INFO [stderr]    |          ^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:50:19
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:21.132 INFO [stderr]    |                   ^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:51:10
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:21.132 INFO [stderr]    |          ^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:51:21
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:21.132 INFO [stderr]    |                     ^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:55:13
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 14 06:08:21.132 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:61:50
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 14 06:08:21.132 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:62:25
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 62 |                     let minFreq = 20;
Dec 14 06:08:21.132 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:63:25
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 14 06:08:21.132 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:53:9
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 14 06:08:21.132 INFO [stderr]    |         ^^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:88:9
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 14 06:08:21.132 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:08:21.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:96:13
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.132 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 14 06:08:21.132 INFO [stderr]    |             ^^^^^^^
Dec 14 06:08:21.132 INFO [stderr] 
Dec 14 06:08:21.132 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:21.132 INFO [stderr]   --> src/main.rs:97:13
Dec 14 06:08:21.132 INFO [stderr]    |
Dec 14 06:08:21.133 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 14 06:08:21.133 INFO [stderr]    |             ^^^^^^^^^
Dec 14 06:08:21.133 INFO [stderr] 
Dec 14 06:08:21.133 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:21.133 INFO [stderr]    --> src/main.rs:113:25
Dec 14 06:08:21.133 INFO [stderr]     |
Dec 14 06:08:21.133 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 14 06:08:21.133 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:21.133 INFO [stderr]     |
Dec 14 06:08:21.133 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:21.133 INFO [stderr] 
Dec 14 06:08:21.133 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:21.133 INFO [stderr]    --> src/main.rs:144:25
Dec 14 06:08:21.133 INFO [stderr]     |
Dec 14 06:08:21.133 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 14 06:08:21.133 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:21.133 INFO [stderr]     |
Dec 14 06:08:21.133 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:21.133 INFO [stderr] 
Dec 14 06:08:24.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
Dec 14 06:08:24.987 INFO [stderr] su: No module specific data is present
Dec 14 06:08:26.732 INFO running `"docker" "inspect" "791679989f9b9fde744522b41070e5f3f01a3ef87cd437061dd8f7223cf63731"`
Dec 14 06:08:27.115 INFO running `"docker" "rm" "-f" "791679989f9b9fde744522b41070e5f3f01a3ef87cd437061dd8f7223cf63731"`
Dec 14 06:08:27.521 INFO [stdout] 791679989f9b9fde744522b41070e5f3f01a3ef87cd437061dd8f7223cf63731
Dec 14 06:08:27.523 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 06:08:28.073 INFO [stdout] edf5254d344eff2d1d09a9517f923467dc530a9f4f57d969ca7f355b0fb1dbb2
Dec 14 06:08:28.075 INFO running `"docker" "start" "-a" "edf5254d344eff2d1d09a9517f923467dc530a9f4f57d969ca7f355b0fb1dbb2"`
Dec 14 06:08:30.053 INFO [stderr] usermod: no changes
Dec 14 06:08:30.147 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 14 06:08:31.067 INFO [stderr] warning: unused variable: `freq`
Dec 14 06:08:31.067 INFO [stderr]   --> src/main.rs:68:29
Dec 14 06:08:31.067 INFO [stderr]    |
Dec 14 06:08:31.067 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 14 06:08:31.067 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 14 06:08:31.067 INFO [stderr]    |
Dec 14 06:08:31.072 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:08:31.072 INFO [stderr] 
Dec 14 06:08:31.072 INFO [stderr] warning: unused variable: `sampleSize`
Dec 14 06:08:31.072 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:31.072 INFO [stderr]    |
Dec 14 06:08:31.072 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:31.072 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 14 06:08:31.072 INFO [stderr] 
Dec 14 06:08:31.072 INFO [stderr] warning: unused variable: `i`
Dec 14 06:08:31.072 INFO [stderr]   --> src/main.rs:95:9
Dec 14 06:08:31.072 INFO [stderr]    |
Dec 14 06:08:31.072 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 14 06:08:31.072 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 14 06:08:31.072 INFO [stderr] 
Dec 14 06:08:31.110 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:31.110 INFO [stderr]   --> src/main.rs:28:27
Dec 14 06:08:31.110 INFO [stderr]    |
Dec 14 06:08:31.110 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 14 06:08:31.110 INFO [stderr]    |                           ^^^^^^^^^^
Dec 14 06:08:31.111 INFO [stderr]    |
Dec 14 06:08:31.111 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 06:08:31.111 INFO [stderr] 
Dec 14 06:08:31.111 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 14 06:08:31.112 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:31.112 INFO [stderr]    |
Dec 14 06:08:31.112 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:31.112 INFO [stderr]    |         ^^^^^^^^^^
Dec 14 06:08:31.112 INFO [stderr] 
Dec 14 06:08:31.112 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 14 06:08:31.112 INFO [stderr]   --> src/main.rs:50:10
Dec 14 06:08:31.112 INFO [stderr]    |
Dec 14 06:08:31.112 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:31.112 INFO [stderr]    |          ^^^^^^^
Dec 14 06:08:31.112 INFO [stderr] 
Dec 14 06:08:31.112 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:31.112 INFO [stderr]   --> src/main.rs:50:19
Dec 14 06:08:31.112 INFO [stderr]    |
Dec 14 06:08:31.112 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:31.112 INFO [stderr]    |                   ^^^^^^^
Dec 14 06:08:31.112 INFO [stderr] 
Dec 14 06:08:31.112 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:31.112 INFO [stderr]   --> src/main.rs:51:10
Dec 14 06:08:31.112 INFO [stderr]    |
Dec 14 06:08:31.112 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:31.112 INFO [stderr]    |          ^^^^^^^^^
Dec 14 06:08:31.113 INFO [stderr] 
Dec 14 06:08:31.113 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 14 06:08:31.113 INFO [stderr]   --> src/main.rs:51:21
Dec 14 06:08:31.113 INFO [stderr]    |
Dec 14 06:08:31.113 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:31.113 INFO [stderr]    |                     ^^^^^^^^^
Dec 14 06:08:31.113 INFO [stderr] 
Dec 14 06:08:31.113 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 14 06:08:31.113 INFO [stderr]   --> src/main.rs:55:13
Dec 14 06:08:31.113 INFO [stderr]    |
Dec 14 06:08:31.113 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 14 06:08:31.113 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 14 06:08:31.113 INFO [stderr] 
Dec 14 06:08:31.113 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:31.113 INFO [stderr]   --> src/main.rs:61:50
Dec 14 06:08:31.113 INFO [stderr]    |
Dec 14 06:08:31.113 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 14 06:08:31.113 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 14 06:08:31.113 INFO [stderr] 
Dec 14 06:08:31.113 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 14 06:08:31.113 INFO [stderr]   --> src/main.rs:62:25
Dec 14 06:08:31.113 INFO [stderr]    |
Dec 14 06:08:31.113 INFO [stderr] 62 |                     let minFreq = 20;
Dec 14 06:08:31.113 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:31.113 INFO [stderr] 
Dec 14 06:08:31.113 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 14 06:08:31.113 INFO [stderr]   --> src/main.rs:63:25
Dec 14 06:08:31.113 INFO [stderr]    |
Dec 14 06:08:31.113 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 14 06:08:31.113 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:31.114 INFO [stderr] 
Dec 14 06:08:31.114 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 14 06:08:31.114 INFO [stderr]   --> src/main.rs:53:9
Dec 14 06:08:31.114 INFO [stderr]    |
Dec 14 06:08:31.114 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 14 06:08:31.114 INFO [stderr]    |         ^^^^^^^^^^^
Dec 14 06:08:31.114 INFO [stderr] 
Dec 14 06:08:31.114 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:31.114 INFO [stderr]   --> src/main.rs:88:9
Dec 14 06:08:31.114 INFO [stderr]    |
Dec 14 06:08:31.114 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 14 06:08:31.114 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:31.114 INFO [stderr]    |
Dec 14 06:08:31.114 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:08:31.115 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:31.115 INFO [stderr] 
Dec 14 06:08:31.115 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:31.115 INFO [stderr]   --> src/main.rs:96:13
Dec 14 06:08:31.115 INFO [stderr]    |
Dec 14 06:08:31.115 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 14 06:08:31.115 INFO [stderr]    |             ^^^^^^^
Dec 14 06:08:31.115 INFO [stderr] 
Dec 14 06:08:31.115 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:31.115 INFO [stderr]   --> src/main.rs:97:13
Dec 14 06:08:31.115 INFO [stderr]    |
Dec 14 06:08:31.115 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 14 06:08:31.115 INFO [stderr]    |             ^^^^^^^^^
Dec 14 06:08:31.115 INFO [stderr] 
Dec 14 06:08:31.115 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:31.115 INFO [stderr]    --> src/main.rs:113:25
Dec 14 06:08:31.115 INFO [stderr]     |
Dec 14 06:08:31.115 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 14 06:08:31.115 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:31.115 INFO [stderr]     |
Dec 14 06:08:31.119 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:31.119 INFO [stderr] 
Dec 14 06:08:31.119 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:31.119 INFO [stderr]    --> src/main.rs:144:25
Dec 14 06:08:31.119 INFO [stderr]     |
Dec 14 06:08:31.119 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 14 06:08:31.119 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:31.119 INFO [stderr]     |
Dec 14 06:08:31.119 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:31.119 INFO [stderr] 
Dec 14 06:08:31.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Dec 14 06:08:31.586 INFO [stderr] su: No module specific data is present
Dec 14 06:08:32.435 INFO running `"docker" "inspect" "edf5254d344eff2d1d09a9517f923467dc530a9f4f57d969ca7f355b0fb1dbb2"`
Dec 14 06:08:32.821 INFO running `"docker" "rm" "-f" "edf5254d344eff2d1d09a9517f923467dc530a9f4f57d969ca7f355b0fb1dbb2"`
Dec 14 06:08:33.111 INFO [stdout] edf5254d344eff2d1d09a9517f923467dc530a9f4f57d969ca7f355b0fb1dbb2
Dec 14 06:08:33.115 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 06:08:33.613 INFO [stdout] 95dee3bc0166107927d20a0afafeeca7edce22f1e9840e38a5b19186febc5709
Dec 14 06:08:33.615 INFO running `"docker" "start" "-a" "95dee3bc0166107927d20a0afafeeca7edce22f1e9840e38a5b19186febc5709"`
Dec 14 06:08:35.686 INFO [stderr] usermod: no changes
Dec 14 06:08:35.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 14 06:08:35.859 INFO [stderr]      Running /target/debug/deps/fft-2e7445fa6c5128bc
Dec 14 06:08:35.863 INFO [stdout] 
Dec 14 06:08:35.863 INFO [stdout] running 0 tests
Dec 14 06:08:35.863 INFO [stdout] 
Dec 14 06:08:35.863 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:08:35.863 INFO [stdout] 
Dec 14 06:08:35.866 INFO [stderr] su: No module specific data is present
Dec 14 06:08:36.916 INFO running `"docker" "inspect" "95dee3bc0166107927d20a0afafeeca7edce22f1e9840e38a5b19186febc5709"`
Dec 14 06:08:37.264 INFO running `"docker" "rm" "-f" "95dee3bc0166107927d20a0afafeeca7edce22f1e9840e38a5b19186febc5709"`
Dec 14 06:08:37.591 INFO [stdout] 95dee3bc0166107927d20a0afafeeca7edce22f1e9840e38a5b19186febc5709