Dec 14 06:08:19.494 INFO testing SSStormy/stdf-spectrogram against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:08:19.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:08:20.027 INFO [stdout] 68ac25287fc0564aa914583ea15dc8f8b0b4604b5a973e7a1d2119008a315f08
Dec 14 06:08:20.027 INFO running `"docker" "start" "-a" "68ac25287fc0564aa914583ea15dc8f8b0b4604b5a973e7a1d2119008a315f08"`
Dec 14 06:08:21.347 INFO [stderr] usermod: no changes
Dec 14 06:08:21.443 INFO [stderr]    Compiling bmp v0.4.0
Dec 14 06:08:21.448 INFO [stderr]    Compiling rustfft v2.0.0
Dec 14 06:08:24.263 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 14 06:08:25.091 INFO [stderr] warning: unused variable: `freq`
Dec 14 06:08:25.091 INFO [stderr]   --> src/main.rs:68:29
Dec 14 06:08:25.091 INFO [stderr]    |
Dec 14 06:08:25.091 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 14 06:08:25.091 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 14 06:08:25.091 INFO [stderr]    |
Dec 14 06:08:25.091 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:08:25.091 INFO [stderr] 
Dec 14 06:08:25.091 INFO [stderr] warning: unused variable: `sampleSize`
Dec 14 06:08:25.091 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:25.091 INFO [stderr]    |
Dec 14 06:08:25.091 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:25.091 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 14 06:08:25.091 INFO [stderr] 
Dec 14 06:08:25.091 INFO [stderr] warning: unused variable: `i`
Dec 14 06:08:25.091 INFO [stderr]   --> src/main.rs:95:9
Dec 14 06:08:25.091 INFO [stderr]    |
Dec 14 06:08:25.091 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 14 06:08:25.091 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 14 06:08:25.091 INFO [stderr] 
Dec 14 06:08:25.118 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:25.118 INFO [stderr]   --> src/main.rs:28:27
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 14 06:08:25.118 INFO [stderr]    |                           ^^^^^^^^^^
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 06:08:25.118 INFO [stderr] 
Dec 14 06:08:25.118 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 14 06:08:25.118 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:25.118 INFO [stderr]    |         ^^^^^^^^^^
Dec 14 06:08:25.118 INFO [stderr] 
Dec 14 06:08:25.118 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 14 06:08:25.118 INFO [stderr]   --> src/main.rs:50:10
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:25.118 INFO [stderr]    |          ^^^^^^^
Dec 14 06:08:25.118 INFO [stderr] 
Dec 14 06:08:25.118 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:25.118 INFO [stderr]   --> src/main.rs:50:19
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:25.118 INFO [stderr]    |                   ^^^^^^^
Dec 14 06:08:25.118 INFO [stderr] 
Dec 14 06:08:25.118 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:25.118 INFO [stderr]   --> src/main.rs:51:10
Dec 14 06:08:25.118 INFO [stderr]    |
Dec 14 06:08:25.118 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:25.118 INFO [stderr]    |          ^^^^^^^^^
Dec 14 06:08:25.118 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:51:21
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:25.119 INFO [stderr]    |                     ^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:55:13
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 14 06:08:25.119 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:61:50
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 14 06:08:25.119 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:62:25
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 62 |                     let minFreq = 20;
Dec 14 06:08:25.119 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:63:25
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 14 06:08:25.119 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:53:9
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 14 06:08:25.119 INFO [stderr]    |         ^^^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:88:9
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 14 06:08:25.119 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:08:25.119 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:96:13
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 14 06:08:25.119 INFO [stderr]    |             ^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:25.119 INFO [stderr]   --> src/main.rs:97:13
Dec 14 06:08:25.119 INFO [stderr]    |
Dec 14 06:08:25.119 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 14 06:08:25.119 INFO [stderr]    |             ^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr] 
Dec 14 06:08:25.119 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:25.119 INFO [stderr]    --> src/main.rs:113:25
Dec 14 06:08:25.119 INFO [stderr]     |
Dec 14 06:08:25.119 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 14 06:08:25.119 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:25.119 INFO [stderr]     |
Dec 14 06:08:25.119 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:25.120 INFO [stderr] 
Dec 14 06:08:25.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:25.120 INFO [stderr]    --> src/main.rs:144:25
Dec 14 06:08:25.120 INFO [stderr]     |
Dec 14 06:08:25.120 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 14 06:08:25.120 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:25.120 INFO [stderr]     |
Dec 14 06:08:25.120 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:25.120 INFO [stderr] 
Dec 14 06:08:29.191 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
Dec 14 06:08:29.199 INFO [stderr] su: No module specific data is present
Dec 14 06:08:30.171 INFO running `"docker" "inspect" "68ac25287fc0564aa914583ea15dc8f8b0b4604b5a973e7a1d2119008a315f08"`
Dec 14 06:08:30.535 INFO running `"docker" "rm" "-f" "68ac25287fc0564aa914583ea15dc8f8b0b4604b5a973e7a1d2119008a315f08"`
Dec 14 06:08:30.907 INFO [stdout] 68ac25287fc0564aa914583ea15dc8f8b0b4604b5a973e7a1d2119008a315f08
Dec 14 06:08:30.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:08:31.416 INFO [stdout] 2e875a940058738ef62f667b5ad6a07a163da96ec20e387796164a28f05ad8aa
Dec 14 06:08:31.418 INFO running `"docker" "start" "-a" "2e875a940058738ef62f667b5ad6a07a163da96ec20e387796164a28f05ad8aa"`
Dec 14 06:08:33.121 INFO [stderr] usermod: no changes
Dec 14 06:08:33.223 INFO [stderr]    Compiling fft v0.1.0 (/source)
Dec 14 06:08:34.206 INFO [stderr] warning: unused variable: `freq`
Dec 14 06:08:34.206 INFO [stderr]   --> src/main.rs:68:29
Dec 14 06:08:34.206 INFO [stderr]    |
Dec 14 06:08:34.206 INFO [stderr] 68 |                         let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32;
Dec 14 06:08:34.206 INFO [stderr]    |                             ^^^^ help: consider using `_freq` instead
Dec 14 06:08:34.206 INFO [stderr]    |
Dec 14 06:08:34.206 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:08:34.206 INFO [stderr] 
Dec 14 06:08:34.206 INFO [stderr] warning: unused variable: `sampleSize`
Dec 14 06:08:34.206 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:34.206 INFO [stderr]    |
Dec 14 06:08:34.206 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:34.206 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_sampleSize` instead
Dec 14 06:08:34.206 INFO [stderr] 
Dec 14 06:08:34.206 INFO [stderr] warning: unused variable: `i`
Dec 14 06:08:34.206 INFO [stderr]   --> src/main.rs:95:9
Dec 14 06:08:34.206 INFO [stderr]    |
Dec 14 06:08:34.206 INFO [stderr] 95 |     for i in 0..NUM_WORKERS {
Dec 14 06:08:34.206 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 14 06:08:34.206 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:28:27
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
Dec 14 06:08:34.223 INFO [stderr]    |                           ^^^^^^^^^^
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 06:08:34.223 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `sampleSize` should have a snake case name such as `sample_size`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:40:9
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
Dec 14 06:08:34.223 INFO [stderr]    |         ^^^^^^^^^^
Dec 14 06:08:34.223 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `jobProd` should have a snake case name such as `job_prod`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:50:10
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:34.223 INFO [stderr]    |          ^^^^^^^
Dec 14 06:08:34.223 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:50:19
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
Dec 14 06:08:34.223 INFO [stderr]    |                   ^^^^^^^
Dec 14 06:08:34.223 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:51:10
Dec 14 06:08:34.223 INFO [stderr]    |
Dec 14 06:08:34.223 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:34.223 INFO [stderr]    |          ^^^^^^^^^
Dec 14 06:08:34.223 INFO [stderr] 
Dec 14 06:08:34.223 INFO [stderr] warning: variable `printRecv` should have a snake case name such as `print_recv`
Dec 14 06:08:34.223 INFO [stderr]   --> src/main.rs:51:21
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
Dec 14 06:08:34.224 INFO [stderr]    |                     ^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `widthPerIter` should have a snake case name such as `width_per_iter`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:55:13
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 55 |         let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32;
Dec 14 06:08:34.224 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `sampleRate` should have a snake case name such as `sample_rate`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:61:50
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
Dec 14 06:08:34.224 INFO [stderr]    |                                                  ^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `minFreq` should have a snake case name such as `min_freq`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:62:25
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 62 |                     let minFreq = 20;
Dec 14 06:08:34.224 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `maxFreq` should have a snake case name such as `max_freq`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:63:25
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 63 |                     let maxFreq = 8000;
Dec 14 06:08:34.224 INFO [stderr]    |                         ^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `printThread` should have a snake case name such as `print_thread`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:53:9
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 53 |     let printThread = thread::spawn(move || {
Dec 14 06:08:34.224 INFO [stderr]    |         ^^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:88:9
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 88 |         jobProd.send(iteration);
Dec 14 06:08:34.224 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 06:08:34.224 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `jobRecv` should have a snake case name such as `job_recv`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:96:13
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 96 |         let jobRecv = jobRecv.clone();
Dec 14 06:08:34.224 INFO [stderr]    |             ^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: variable `printProd` should have a snake case name such as `print_prod`
Dec 14 06:08:34.224 INFO [stderr]   --> src/main.rs:97:13
Dec 14 06:08:34.224 INFO [stderr]    |
Dec 14 06:08:34.224 INFO [stderr] 97 |         let printProd = printProd.clone();
Dec 14 06:08:34.224 INFO [stderr]    |             ^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:34.224 INFO [stderr]    --> src/main.rs:113:25
Dec 14 06:08:34.224 INFO [stderr]     |
Dec 14 06:08:34.224 INFO [stderr] 113 |                         reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32);
Dec 14 06:08:34.224 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr]     |
Dec 14 06:08:34.224 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.224 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:08:34.224 INFO [stderr]    --> src/main.rs:144:25
Dec 14 06:08:34.224 INFO [stderr]     |
Dec 14 06:08:34.224 INFO [stderr] 144 |                         printProd.send(PrintJob::Print(iteration, output, spec.sample_rate));
Dec 14 06:08:34.224 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:08:34.224 INFO [stderr]     |
Dec 14 06:08:34.224 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:08:34.224 INFO [stderr] 
Dec 14 06:08:34.683 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 14 06:08:34.683 INFO [stderr] su: No module specific data is present
Dec 14 06:08:36.210 INFO running `"docker" "inspect" "2e875a940058738ef62f667b5ad6a07a163da96ec20e387796164a28f05ad8aa"`
Dec 14 06:08:36.625 INFO running `"docker" "rm" "-f" "2e875a940058738ef62f667b5ad6a07a163da96ec20e387796164a28f05ad8aa"`
Dec 14 06:08:37.007 INFO [stdout] 2e875a940058738ef62f667b5ad6a07a163da96ec20e387796164a28f05ad8aa
Dec 14 06:08:37.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:08:37.451 INFO [stdout] 994f74bf0dd0bf0d7cb4ca163bb9cc316794a2786dbc78c69a3dfed61829d378
Dec 14 06:08:37.452 INFO running `"docker" "start" "-a" "994f74bf0dd0bf0d7cb4ca163bb9cc316794a2786dbc78c69a3dfed61829d378"`
Dec 14 06:08:38.934 INFO [stderr] usermod: no changes
Dec 14 06:08:38.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 06:08:39.057 INFO [stderr]      Running /target/debug/deps/fft-214dda927dc79dca
Dec 14 06:08:39.066 INFO [stdout] 
Dec 14 06:08:39.066 INFO [stdout] running 0 tests
Dec 14 06:08:39.066 INFO [stdout] 
Dec 14 06:08:39.066 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:08:39.066 INFO [stdout] 
Dec 14 06:08:39.074 INFO [stderr] su: No module specific data is present
Dec 14 06:08:40.277 INFO running `"docker" "inspect" "994f74bf0dd0bf0d7cb4ca163bb9cc316794a2786dbc78c69a3dfed61829d378"`
Dec 14 06:08:40.591 INFO running `"docker" "rm" "-f" "994f74bf0dd0bf0d7cb4ca163bb9cc316794a2786dbc78c69a3dfed61829d378"`
Dec 14 06:08:40.914 INFO [stdout] 994f74bf0dd0bf0d7cb4ca163bb9cc316794a2786dbc78c69a3dfed61829d378