[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/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SSStormy/stdf-spectrogram"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SSStormy/stdf-spectrogram'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SSStormy/stdf-spectrogram" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/SSStormy/stdf-spectrogram"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/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 master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SSStormy/stdf-spectrogram on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "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/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/SSStormy/stdf-spectrogram/Cargo.toml
[INFO] crate SSStormy/stdf-spectrogram already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SSStormy/stdf-spectrogram against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SSStormy/stdf-spectrogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e52575a477630dcc1e5a595d60438a76c888495bf03d771b60fe64ba0b35ca19
[INFO] running `"docker" "start" "-a" "e52575a477630dcc1e5a595d60438a76c888495bf03d771b60fe64ba0b35ca19"`
[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 prefixing with an underscore: `_freq`
[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 prefixing with an underscore: `_sampleSize`
[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 prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[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
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `sample_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `jobProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to snake case: `job_prod`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `jobRecv` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
[INFO] [stderr]    |                   ^^^^^^^ help: convert the identifier to snake case: `job_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
[INFO] [stderr]    |          ^^^^^^^^^ help: convert the identifier to snake case: `print_prod`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printRecv` should have a snake case name
[INFO] [stderr]   --> src/main.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
[INFO] [stderr]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `print_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `widthPerIter` should have a snake case name
[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]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `width_per_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minFreq` should have a snake case name
[INFO] [stderr]   --> src/main.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     let minFreq = 20;
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `min_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxFreq` should have a snake case name
[INFO] [stderr]   --> src/main.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let maxFreq = 8000;
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `max_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printThread` should have a snake case name
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let printThread = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `print_thread`
[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
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let jobRecv = jobRecv.clone();
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `job_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let printProd = printProd.clone();
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `print_prod`
[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: 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: 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 prefixing with an underscore: `_freq`
[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 prefixing with an underscore: `_sampleSize`
[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 prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[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
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let sampleSize = reader.spec().sample_rate;
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `sample_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `jobProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to snake case: `job_prod`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `jobRecv` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (jobProd, jobRecv) = spmc::channel();
[INFO] [stderr]    |                   ^^^^^^^ help: convert the identifier to snake case: `job_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
[INFO] [stderr]    |          ^^^^^^^^^ help: convert the identifier to snake case: `print_prod`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printRecv` should have a snake case name
[INFO] [stderr]   --> src/main.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let (printProd, printRecv) = mpsc::channel();
[INFO] [stderr]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `print_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `widthPerIter` should have a snake case name
[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]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `width_per_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 PrintJob::Print(iteration, data, sampleRate) => {
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `minFreq` should have a snake case name
[INFO] [stderr]   --> src/main.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     let minFreq = 20;
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `min_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxFreq` should have a snake case name
[INFO] [stderr]   --> src/main.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let maxFreq = 8000;
[INFO] [stderr]    |                         ^^^^^^^ help: convert the identifier to snake case: `max_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printThread` should have a snake case name
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let printThread = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `print_thread`
[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
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let jobRecv = jobRecv.clone();
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `job_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `printProd` should have a snake case name
[INFO] [stderr]   --> src/main.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let printProd = printProd.clone();
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `print_prod`
[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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "e52575a477630dcc1e5a595d60438a76c888495bf03d771b60fe64ba0b35ca19"`
[INFO] running `"docker" "rm" "-f" "e52575a477630dcc1e5a595d60438a76c888495bf03d771b60fe64ba0b35ca19"`
[INFO] [stdout] e52575a477630dcc1e5a595d60438a76c888495bf03d771b60fe64ba0b35ca19