Dec 01 19:07:49.431 INFO testing donniemattingly/fingerprint against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 19:07:49.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:07:49.892 INFO [stdout] 2e265d1781c77c139d0f3df4c1a551d26f1c801a493107fb235c83166623f129
Dec 01 19:07:49.894 INFO running `"docker" "start" "-a" "2e265d1781c77c139d0f3df4c1a551d26f1c801a493107fb235c83166623f129"`
Dec 01 19:07:51.291 INFO [stderr] usermod: no changes
Dec 01 19:07:51.594 INFO [stderr]    Compiling hound v3.3.1
Dec 01 19:07:51.594 INFO [stderr]    Compiling sha1 v0.6.0
Dec 01 19:07:51.596 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 01 19:07:51.597 INFO [stderr]    Compiling log v0.4.1
Dec 01 19:07:51.597 INFO [stderr]    Compiling multimap v0.4.0
Dec 01 19:07:51.602 INFO [stderr]    Compiling rand v0.3.22
Dec 01 19:07:51.603 INFO [stderr]    Compiling threadpool v1.7.1
Dec 01 19:07:51.604 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 01 19:07:53.317 INFO [stderr]    Compiling rustfft v2.0.0
Dec 01 19:07:56.763 INFO [stderr]    Compiling ordered-float v0.5.0
Dec 01 19:07:56.995 INFO [stderr]    Compiling serde_yaml v0.7.3
Dec 01 19:07:57.011 INFO [stderr]    Compiling png v0.11.0
Dec 01 19:07:57.103 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 01 19:07:57.167 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 01 19:08:00.987 INFO [stderr]    Compiling serde-value v0.5.1
Dec 01 19:08:03.515 INFO [stderr]    Compiling flate2 v1.0.1
Dec 01 19:08:03.627 INFO [stderr]    Compiling num-rational v0.1.42
Dec 01 19:08:10.773 INFO [stderr]    Compiling rayon v1.0.0
Dec 01 19:08:15.332 INFO [stderr]    Compiling num v0.1.42
Dec 01 19:08:16.653 INFO [stderr]    Compiling chrono v0.4.0
Dec 01 19:08:16.654 INFO [stderr]    Compiling nalgebra v0.5.1
Dec 01 19:08:16.663 INFO [stderr]    Compiling stopwatch v0.0.7
Dec 01 19:08:16.664 INFO [stderr]    Compiling streaming-stats v0.1.28
Dec 01 19:08:29.884 INFO [stderr]    Compiling log4rs v0.8.0
Dec 01 19:08:32.201 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 01 19:08:41.285 INFO [stderr]    Compiling image v0.18.0
Dec 01 19:08:59.502 INFO [stderr]    Compiling apodize v0.2.0
Dec 01 19:09:31.239 INFO [stderr]    Compiling fingerprint v0.1.0 (/source)
Dec 01 19:09:36.825 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Dec 01 19:09:36.825 INFO [stderr]  --> src/lib.rs:8:5
Dec 01 19:09:36.825 INFO [stderr]   |
Dec 01 19:09:36.825 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Dec 01 19:09:36.825 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.825 INFO [stderr]   |
Dec 01 19:09:36.825 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 19:09:36.825 INFO [stderr] 
Dec 01 19:09:36.825 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 19:09:36.825 INFO [stderr]   --> src/lib.rs:14:5
Dec 01 19:09:36.825 INFO [stderr]    |
Dec 01 19:09:36.825 INFO [stderr] 14 | use std::collections::HashMap;
Dec 01 19:09:36.825 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.825 INFO [stderr] 
Dec 01 19:09:36.825 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 01 19:09:36.825 INFO [stderr]   --> src/lib.rs:18:5
Dec 01 19:09:36.825 INFO [stderr]    |
Dec 01 19:09:36.825 INFO [stderr] 18 | use multimap::MultiMap;
Dec 01 19:09:36.825 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.825 INFO [stderr] 
Dec 01 19:09:36.831 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 01 19:09:36.831 INFO [stderr]    --> src/spectrogram.rs:234:5
Dec 01 19:09:36.831 INFO [stderr]     |
Dec 01 19:09:36.831 INFO [stderr] 234 | use std::path::PathBuf;
Dec 01 19:09:36.831 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.831 INFO [stderr] 
Dec 01 19:09:36.831 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 01 19:09:36.831 INFO [stderr]  --> src/hash.rs:5:5
Dec 01 19:09:36.831 INFO [stderr]   |
Dec 01 19:09:36.831 INFO [stderr] 5 | use std::collections::HashSet;
Dec 01 19:09:36.831 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.831 INFO [stderr] 
Dec 01 19:09:36.831 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 01 19:09:36.831 INFO [stderr]    --> src/hash.rs:197:5
Dec 01 19:09:36.831 INFO [stderr]     |
Dec 01 19:09:36.831 INFO [stderr] 197 | use std::path::PathBuf;
Dec 01 19:09:36.831 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.831 INFO [stderr] 
Dec 01 19:09:36.839 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 19:09:36.839 INFO [stderr]   --> src/main.rs:14:5
Dec 01 19:09:36.839 INFO [stderr]    |
Dec 01 19:09:36.839 INFO [stderr] 14 | use std::collections::HashMap;
Dec 01 19:09:36.839 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.839 INFO [stderr]    |
Dec 01 19:09:36.839 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 01 19:09:36.839 INFO [stderr] 
Dec 01 19:09:36.839 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 01 19:09:36.839 INFO [stderr]    --> src/spectrogram.rs:234:5
Dec 01 19:09:36.839 INFO [stderr]     |
Dec 01 19:09:36.839 INFO [stderr] 234 | use std::path::PathBuf;
Dec 01 19:09:36.839 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.839 INFO [stderr] 
Dec 01 19:09:36.839 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 01 19:09:36.839 INFO [stderr]  --> src/hash.rs:5:5
Dec 01 19:09:36.839 INFO [stderr]   |
Dec 01 19:09:36.839 INFO [stderr] 5 | use std::collections::HashSet;
Dec 01 19:09:36.839 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.839 INFO [stderr] 
Dec 01 19:09:36.847 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 01 19:09:36.847 INFO [stderr]    --> src/hash.rs:197:5
Dec 01 19:09:36.847 INFO [stderr]     |
Dec 01 19:09:36.847 INFO [stderr] 197 | use std::path::PathBuf;
Dec 01 19:09:36.847 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:36.851 INFO [stderr] 
Dec 01 19:09:36.851 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 01 19:09:36.851 INFO [stderr]   --> src/main.rs:81:12
Dec 01 19:09:36.851 INFO [stderr]    |
Dec 01 19:09:36.851 INFO [stderr] 81 |         if (diff != cur) {
Dec 01 19:09:36.851 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:09:36.851 INFO [stderr]    |
Dec 01 19:09:36.851 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 01 19:09:36.851 INFO [stderr] 
Dec 01 19:09:36.851 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 01 19:09:36.851 INFO [stderr]   --> src/main.rs:82:16
Dec 01 19:09:36.851 INFO [stderr]    |
Dec 01 19:09:36.851 INFO [stderr] 82 |             if (cur_count > 10) {
Dec 01 19:09:36.851 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:09:36.851 INFO [stderr] 
Dec 01 19:09:37.223 INFO [stderr] warning: unused variable: `peaks_len`
Dec 01 19:09:37.223 INFO [stderr]    --> src/hash.rs:116:9
Dec 01 19:09:37.223 INFO [stderr]     |
Dec 01 19:09:37.223 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 01 19:09:37.223 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 01 19:09:37.227 INFO [stderr]     |
Dec 01 19:09:37.227 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 19:09:37.227 INFO [stderr] 
Dec 01 19:09:37.227 INFO [stderr] warning: unused variable: `peak`
Dec 01 19:09:37.227 INFO [stderr]    --> src/hash.rs:126:13
Dec 01 19:09:37.227 INFO [stderr]     |
Dec 01 19:09:37.227 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 01 19:09:37.227 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 01 19:09:37.227 INFO [stderr] 
Dec 01 19:09:37.227 INFO [stderr] warning: unused variable: `y`
Dec 01 19:09:37.227 INFO [stderr]    --> src/hash.rs:162:9
Dec 01 19:09:37.227 INFO [stderr]     |
Dec 01 19:09:37.227 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 01 19:09:37.227 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 19:09:37.227 INFO [stderr] 
Dec 01 19:09:37.227 INFO [stderr] warning: unused variable: `path`
Dec 01 19:09:37.227 INFO [stderr]   --> src/lib.rs:53:39
Dec 01 19:09:37.227 INFO [stderr]    |
Dec 01 19:09:37.227 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Dec 01 19:09:37.227 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Dec 01 19:09:37.227 INFO [stderr] 
Dec 01 19:09:37.278 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.278 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 01 19:09:37.278 INFO [stderr]    |
Dec 01 19:09:37.278 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.278 INFO [stderr]    |             ----^^
Dec 01 19:09:37.278 INFO [stderr]    |             |
Dec 01 19:09:37.278 INFO [stderr]    |             help: remove this `mut`
Dec 01 19:09:37.278 INFO [stderr]    |
Dec 01 19:09:37.278 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 19:09:37.278 INFO [stderr] 
Dec 01 19:09:37.285 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.285 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 01 19:09:37.285 INFO [stderr]     |
Dec 01 19:09:37.285 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 01 19:09:37.285 INFO [stderr]     |         ----^^^^^^^^
Dec 01 19:09:37.285 INFO [stderr]     |         |
Dec 01 19:09:37.285 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.285 INFO [stderr] 
Dec 01 19:09:37.307 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.307 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 01 19:09:37.307 INFO [stderr]     |
Dec 01 19:09:37.307 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 01 19:09:37.307 INFO [stderr]     |         ----^^^
Dec 01 19:09:37.307 INFO [stderr]     |         |
Dec 01 19:09:37.307 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.307 INFO [stderr] 
Dec 01 19:09:37.307 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.307 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 01 19:09:37.307 INFO [stderr]     |
Dec 01 19:09:37.307 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 01 19:09:37.307 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:37.307 INFO [stderr]     |         |
Dec 01 19:09:37.307 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.307 INFO [stderr] 
Dec 01 19:09:37.358 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.358 INFO [stderr]   --> src/hash.rs:61:9
Dec 01 19:09:37.358 INFO [stderr]    |
Dec 01 19:09:37.358 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.358 INFO [stderr]    |         ----^^
Dec 01 19:09:37.358 INFO [stderr]    |         |
Dec 01 19:09:37.359 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:37.363 INFO [stderr] 
Dec 01 19:09:37.371 INFO [stderr] warning: unused variable: `peaks_len`
Dec 01 19:09:37.371 INFO [stderr]    --> src/hash.rs:116:9
Dec 01 19:09:37.371 INFO [stderr]     |
Dec 01 19:09:37.371 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 01 19:09:37.371 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 01 19:09:37.371 INFO [stderr]     |
Dec 01 19:09:37.371 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 19:09:37.371 INFO [stderr] 
Dec 01 19:09:37.372 INFO [stderr] warning: unused variable: `peak`
Dec 01 19:09:37.372 INFO [stderr]    --> src/hash.rs:126:13
Dec 01 19:09:37.372 INFO [stderr]     |
Dec 01 19:09:37.372 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 01 19:09:37.372 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 01 19:09:37.372 INFO [stderr] 
Dec 01 19:09:37.373 INFO [stderr] warning: unused variable: `y`
Dec 01 19:09:37.373 INFO [stderr]    --> src/hash.rs:162:9
Dec 01 19:09:37.373 INFO [stderr]     |
Dec 01 19:09:37.373 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 01 19:09:37.373 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 19:09:37.373 INFO [stderr] 
Dec 01 19:09:37.373 INFO [stderr] warning: unused variable: `offsets2`
Dec 01 19:09:37.373 INFO [stderr]   --> src/main.rs:65:13
Dec 01 19:09:37.373 INFO [stderr]    |
Dec 01 19:09:37.373 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 01 19:09:37.373 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Dec 01 19:09:37.374 INFO [stderr] 
Dec 01 19:09:37.379 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.379 INFO [stderr]   --> src/main.rs:25:9
Dec 01 19:09:37.379 INFO [stderr]    |
Dec 01 19:09:37.379 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.379 INFO [stderr]    |         ----^^
Dec 01 19:09:37.379 INFO [stderr]    |         |
Dec 01 19:09:37.379 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:37.380 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.380 INFO [stderr]    --> src/hash.rs:113:9
Dec 01 19:09:37.380 INFO [stderr]     |
Dec 01 19:09:37.380 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.380 INFO [stderr]     |         ----^^
Dec 01 19:09:37.380 INFO [stderr]     |         |
Dec 01 19:09:37.380 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.380 INFO [stderr] 
Dec 01 19:09:37.383 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.383 INFO [stderr]    --> src/hash.rs:119:9
Dec 01 19:09:37.383 INFO [stderr]     |
Dec 01 19:09:37.383 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 01 19:09:37.383 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:37.383 INFO [stderr]     |         |
Dec 01 19:09:37.383 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.383 INFO [stderr] 
Dec 01 19:09:37.386 INFO [stderr]    |
Dec 01 19:09:37.386 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 19:09:37.386 INFO [stderr] 
Dec 01 19:09:37.395 INFO [stderr] warning: unnecessary `unsafe` block
Dec 01 19:09:37.395 INFO [stderr]   --> src/lib.rs:69:5
Dec 01 19:09:37.395 INFO [stderr]    |
Dec 01 19:09:37.395 INFO [stderr] 69 |     unsafe { transformed[0] }
Dec 01 19:09:37.395 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Dec 01 19:09:37.395 INFO [stderr]    |
Dec 01 19:09:37.395 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 01 19:09:37.395 INFO [stderr] 
Dec 01 19:09:37.407 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.407 INFO [stderr]   --> src/main.rs:44:9
Dec 01 19:09:37.407 INFO [stderr]    |
Dec 01 19:09:37.407 INFO [stderr] 44 |     let mut dups = 0;
Dec 01 19:09:37.407 INFO [stderr]    |         ----^^^^
Dec 01 19:09:37.407 INFO [stderr]    |         |
Dec 01 19:09:37.407 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:37.407 INFO [stderr] 
Dec 01 19:09:37.407 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.407 INFO [stderr]   --> src/main.rs:65:9
Dec 01 19:09:37.407 INFO [stderr]    |
Dec 01 19:09:37.407 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 01 19:09:37.407 INFO [stderr]    |         ----^^^^^^^^
Dec 01 19:09:37.407 INFO [stderr]    |         |
Dec 01 19:09:37.407 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:37.407 INFO [stderr] 
Dec 01 19:09:37.463 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.463 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 01 19:09:37.463 INFO [stderr]    |
Dec 01 19:09:37.463 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.463 INFO [stderr]    |             ----^^
Dec 01 19:09:37.463 INFO [stderr]    |             |
Dec 01 19:09:37.463 INFO [stderr]    |             help: remove this `mut`
Dec 01 19:09:37.463 INFO [stderr] 
Dec 01 19:09:37.478 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.478 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 01 19:09:37.478 INFO [stderr]     |
Dec 01 19:09:37.478 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 01 19:09:37.478 INFO [stderr]     |         ----^^^^^^^^
Dec 01 19:09:37.478 INFO [stderr]     |         |
Dec 01 19:09:37.479 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.479 INFO [stderr] 
Dec 01 19:09:37.503 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.503 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 01 19:09:37.503 INFO [stderr]     |
Dec 01 19:09:37.503 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 01 19:09:37.503 INFO [stderr]     |         ----^^^
Dec 01 19:09:37.503 INFO [stderr]     |         |
Dec 01 19:09:37.503 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.503 INFO [stderr] 
Dec 01 19:09:37.503 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.503 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 01 19:09:37.503 INFO [stderr]     |
Dec 01 19:09:37.503 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 01 19:09:37.503 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:37.503 INFO [stderr]     |         |
Dec 01 19:09:37.503 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.503 INFO [stderr] 
Dec 01 19:09:37.519 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.519 INFO [stderr]   --> src/hash.rs:61:9
Dec 01 19:09:37.519 INFO [stderr]    |
Dec 01 19:09:37.519 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.519 INFO [stderr]    |         ----^^
Dec 01 19:09:37.519 INFO [stderr]    |         |
Dec 01 19:09:37.519 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:37.519 INFO [stderr] 
Dec 01 19:09:37.523 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.523 INFO [stderr]    --> src/hash.rs:113:9
Dec 01 19:09:37.523 INFO [stderr]     |
Dec 01 19:09:37.523 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:37.523 INFO [stderr]     |         ----^^
Dec 01 19:09:37.523 INFO [stderr]     |         |
Dec 01 19:09:37.523 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.523 INFO [stderr] 
Dec 01 19:09:37.523 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:37.523 INFO [stderr]    --> src/hash.rs:119:9
Dec 01 19:09:37.523 INFO [stderr]     |
Dec 01 19:09:37.523 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 01 19:09:37.523 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:37.523 INFO [stderr]     |         |
Dec 01 19:09:37.523 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:37.523 INFO [stderr] 
Dec 01 19:09:37.527 INFO [stderr] warning: function is never used: `gen_spectrogram`
Dec 01 19:09:37.527 INFO [stderr]   --> src/main.rs:33:1
Dec 01 19:09:37.527 INFO [stderr]    |
Dec 01 19:09:37.527 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Dec 01 19:09:37.527 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:37.527 INFO [stderr]    |
Dec 01 19:09:37.527 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 19:09:37.527 INFO [stderr] 
Dec 01 19:09:37.527 INFO [stderr] warning: function is never used: `test_fingerprinting`
Dec 01 19:09:37.527 INFO [stderr]   --> src/main.rs:39:1
Dec 01 19:09:37.527 INFO [stderr]    |
Dec 01 19:09:37.527 INFO [stderr] 39 | fn test_fingerprinting() {
Dec 01 19:09:37.527 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:37.531 INFO [stderr] 
Dec 01 19:09:39.719 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
Dec 01 19:09:39.730 INFO [stderr] su: No module specific data is present
Dec 01 19:09:40.256 INFO running `"docker" "inspect" "2e265d1781c77c139d0f3df4c1a551d26f1c801a493107fb235c83166623f129"`
Dec 01 19:09:40.663 INFO running `"docker" "rm" "-f" "2e265d1781c77c139d0f3df4c1a551d26f1c801a493107fb235c83166623f129"`
Dec 01 19:09:40.874 INFO [stdout] 2e265d1781c77c139d0f3df4c1a551d26f1c801a493107fb235c83166623f129
Dec 01 19:09:40.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:09:41.448 INFO [stdout] 81639399a15aa7350abfae5cd39bf7f9d93d8470c3885166f59d033fceda28aa
Dec 01 19:09:41.457 INFO running `"docker" "start" "-a" "81639399a15aa7350abfae5cd39bf7f9d93d8470c3885166f59d033fceda28aa"`
Dec 01 19:09:43.267 INFO [stderr] usermod: no changes
Dec 01 19:09:43.455 INFO [stderr]    Compiling fingerprint v0.1.0 (/source)
Dec 01 19:09:47.159 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 19:09:47.159 INFO [stderr]   --> src/main.rs:14:5
Dec 01 19:09:47.159 INFO [stderr]    |
Dec 01 19:09:47.159 INFO [stderr] 14 | use std::collections::HashMap;
Dec 01 19:09:47.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:47.159 INFO [stderr]    |
Dec 01 19:09:47.159 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 01 19:09:47.159 INFO [stderr] 
Dec 01 19:09:47.165 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 01 19:09:47.165 INFO [stderr]  --> src/hash.rs:5:5
Dec 01 19:09:47.165 INFO [stderr]   |
Dec 01 19:09:47.165 INFO [stderr] 5 | use std::collections::HashSet;
Dec 01 19:09:47.165 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:47.165 INFO [stderr] 
Dec 01 19:09:47.165 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 01 19:09:47.165 INFO [stderr]   --> src/main.rs:81:12
Dec 01 19:09:47.165 INFO [stderr]    |
Dec 01 19:09:47.165 INFO [stderr] 81 |         if (diff != cur) {
Dec 01 19:09:47.165 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:09:47.165 INFO [stderr]    |
Dec 01 19:09:47.165 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 01 19:09:47.165 INFO [stderr] 
Dec 01 19:09:47.165 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 01 19:09:47.165 INFO [stderr]   --> src/main.rs:82:16
Dec 01 19:09:47.165 INFO [stderr]    |
Dec 01 19:09:47.165 INFO [stderr] 82 |             if (cur_count > 10) {
Dec 01 19:09:47.165 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:09:47.165 INFO [stderr] 
Dec 01 19:09:47.515 INFO [stderr] warning: unused variable: `peaks_len`
Dec 01 19:09:47.515 INFO [stderr]    --> src/hash.rs:116:9
Dec 01 19:09:47.515 INFO [stderr]     |
Dec 01 19:09:47.515 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 01 19:09:47.515 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 01 19:09:47.515 INFO [stderr]     |
Dec 01 19:09:47.515 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 19:09:47.515 INFO [stderr] 
Dec 01 19:09:47.515 INFO [stderr] warning: unused variable: `peak`
Dec 01 19:09:47.515 INFO [stderr]    --> src/hash.rs:126:13
Dec 01 19:09:47.515 INFO [stderr]     |
Dec 01 19:09:47.515 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 01 19:09:47.515 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 01 19:09:47.515 INFO [stderr] 
Dec 01 19:09:47.515 INFO [stderr] warning: unused variable: `y`
Dec 01 19:09:47.515 INFO [stderr]    --> src/hash.rs:162:9
Dec 01 19:09:47.515 INFO [stderr]     |
Dec 01 19:09:47.515 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 01 19:09:47.515 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 19:09:47.515 INFO [stderr] 
Dec 01 19:09:47.515 INFO [stderr] warning: unused variable: `offsets2`
Dec 01 19:09:47.515 INFO [stderr]   --> src/main.rs:65:13
Dec 01 19:09:47.515 INFO [stderr]    |
Dec 01 19:09:47.515 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 01 19:09:47.515 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Dec 01 19:09:47.515 INFO [stderr] 
Dec 01 19:09:47.523 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.523 INFO [stderr]   --> src/main.rs:25:9
Dec 01 19:09:47.523 INFO [stderr]    |
Dec 01 19:09:47.523 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:47.523 INFO [stderr]    |         ----^^
Dec 01 19:09:47.523 INFO [stderr]    |         |
Dec 01 19:09:47.523 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:47.523 INFO [stderr]    |
Dec 01 19:09:47.523 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 19:09:47.523 INFO [stderr] 
Dec 01 19:09:47.539 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.539 INFO [stderr]   --> src/main.rs:44:9
Dec 01 19:09:47.539 INFO [stderr]    |
Dec 01 19:09:47.539 INFO [stderr] 44 |     let mut dups = 0;
Dec 01 19:09:47.539 INFO [stderr]    |         ----^^^^
Dec 01 19:09:47.539 INFO [stderr]    |         |
Dec 01 19:09:47.539 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:47.539 INFO [stderr] 
Dec 01 19:09:47.539 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.539 INFO [stderr]   --> src/main.rs:65:9
Dec 01 19:09:47.539 INFO [stderr]    |
Dec 01 19:09:47.539 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 01 19:09:47.539 INFO [stderr]    |         ----^^^^^^^^
Dec 01 19:09:47.539 INFO [stderr]    |         |
Dec 01 19:09:47.539 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:47.539 INFO [stderr] 
Dec 01 19:09:47.555 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.555 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 01 19:09:47.555 INFO [stderr]    |
Dec 01 19:09:47.555 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 01 19:09:47.555 INFO [stderr]    |             ----^^
Dec 01 19:09:47.555 INFO [stderr]    |             |
Dec 01 19:09:47.555 INFO [stderr]    |             help: remove this `mut`
Dec 01 19:09:47.555 INFO [stderr] 
Dec 01 19:09:47.555 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.555 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 01 19:09:47.555 INFO [stderr]     |
Dec 01 19:09:47.555 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 01 19:09:47.555 INFO [stderr]     |         ----^^^^^^^^
Dec 01 19:09:47.555 INFO [stderr]     |         |
Dec 01 19:09:47.555 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:47.555 INFO [stderr] 
Dec 01 19:09:47.583 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.583 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 01 19:09:47.583 INFO [stderr]     |
Dec 01 19:09:47.583 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 01 19:09:47.583 INFO [stderr]     |         ----^^^
Dec 01 19:09:47.583 INFO [stderr]     |         |
Dec 01 19:09:47.583 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:47.583 INFO [stderr] 
Dec 01 19:09:47.583 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.583 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 01 19:09:47.583 INFO [stderr]     |
Dec 01 19:09:47.583 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 01 19:09:47.583 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:47.583 INFO [stderr]     |         |
Dec 01 19:09:47.583 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:47.583 INFO [stderr] 
Dec 01 19:09:47.606 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.606 INFO [stderr]   --> src/hash.rs:61:9
Dec 01 19:09:47.606 INFO [stderr]    |
Dec 01 19:09:47.606 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:47.606 INFO [stderr]    |         ----^^
Dec 01 19:09:47.606 INFO [stderr]    |         |
Dec 01 19:09:47.606 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:47.606 INFO [stderr] 
Dec 01 19:09:47.610 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.610 INFO [stderr]    --> src/hash.rs:113:9
Dec 01 19:09:47.610 INFO [stderr]     |
Dec 01 19:09:47.610 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:47.610 INFO [stderr]     |         ----^^
Dec 01 19:09:47.610 INFO [stderr]     |         |
Dec 01 19:09:47.610 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:47.610 INFO [stderr] 
Dec 01 19:09:47.610 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:47.610 INFO [stderr]    --> src/hash.rs:119:9
Dec 01 19:09:47.610 INFO [stderr]     |
Dec 01 19:09:47.610 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 01 19:09:47.610 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:47.610 INFO [stderr]     |         |
Dec 01 19:09:47.610 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:47.610 INFO [stderr] 
Dec 01 19:09:47.619 INFO [stderr] warning: function is never used: `gen_spectrogram`
Dec 01 19:09:47.619 INFO [stderr]   --> src/main.rs:33:1
Dec 01 19:09:47.619 INFO [stderr]    |
Dec 01 19:09:47.619 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Dec 01 19:09:47.619 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:47.619 INFO [stderr]    |
Dec 01 19:09:47.619 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 19:09:47.619 INFO [stderr] 
Dec 01 19:09:47.619 INFO [stderr] warning: function is never used: `test_fingerprinting`
Dec 01 19:09:47.619 INFO [stderr]   --> src/main.rs:39:1
Dec 01 19:09:47.619 INFO [stderr]    |
Dec 01 19:09:47.619 INFO [stderr] 39 | fn test_fingerprinting() {
Dec 01 19:09:47.619 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:47.619 INFO [stderr] 
Dec 01 19:09:48.584 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Dec 01 19:09:48.584 INFO [stderr]  --> src/lib.rs:8:5
Dec 01 19:09:48.584 INFO [stderr]   |
Dec 01 19:09:48.584 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Dec 01 19:09:48.584 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:48.584 INFO [stderr]   |
Dec 01 19:09:48.584 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 19:09:48.584 INFO [stderr] 
Dec 01 19:09:48.584 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 19:09:48.584 INFO [stderr]   --> src/lib.rs:14:5
Dec 01 19:09:48.584 INFO [stderr]    |
Dec 01 19:09:48.584 INFO [stderr] 14 | use std::collections::HashMap;
Dec 01 19:09:48.584 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:48.584 INFO [stderr] 
Dec 01 19:09:48.584 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 01 19:09:48.584 INFO [stderr]   --> src/lib.rs:18:5
Dec 01 19:09:48.584 INFO [stderr]    |
Dec 01 19:09:48.584 INFO [stderr] 18 | use multimap::MultiMap;
Dec 01 19:09:48.584 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 01 19:09:48.584 INFO [stderr] 
Dec 01 19:09:48.584 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 01 19:09:48.584 INFO [stderr]  --> src/hash.rs:5:5
Dec 01 19:09:48.584 INFO [stderr]   |
Dec 01 19:09:48.584 INFO [stderr] 5 | use std::collections::HashSet;
Dec 01 19:09:48.584 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:09:48.595 INFO [stderr] 
Dec 01 19:09:49.679 INFO [stderr] warning: unused variable: `peaks_len`
Dec 01 19:09:49.679 INFO [stderr]    --> src/hash.rs:116:9
Dec 01 19:09:49.679 INFO [stderr]     |
Dec 01 19:09:49.679 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 01 19:09:49.679 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 01 19:09:49.679 INFO [stderr]     |
Dec 01 19:09:49.679 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 19:09:49.679 INFO [stderr] 
Dec 01 19:09:49.679 INFO [stderr] warning: unused variable: `peak`
Dec 01 19:09:49.679 INFO [stderr]    --> src/hash.rs:126:13
Dec 01 19:09:49.679 INFO [stderr]     |
Dec 01 19:09:49.679 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 01 19:09:49.679 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 01 19:09:49.679 INFO [stderr] 
Dec 01 19:09:49.679 INFO [stderr] warning: unused variable: `y`
Dec 01 19:09:49.679 INFO [stderr]    --> src/hash.rs:162:9
Dec 01 19:09:49.679 INFO [stderr]     |
Dec 01 19:09:49.679 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 01 19:09:49.679 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 19:09:49.679 INFO [stderr] 
Dec 01 19:09:49.679 INFO [stderr] warning: unused variable: `path`
Dec 01 19:09:49.679 INFO [stderr]   --> src/lib.rs:53:39
Dec 01 19:09:49.679 INFO [stderr]    |
Dec 01 19:09:49.679 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Dec 01 19:09:49.679 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Dec 01 19:09:49.679 INFO [stderr] 
Dec 01 19:09:49.795 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:49.795 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 01 19:09:49.795 INFO [stderr]    |
Dec 01 19:09:49.795 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 01 19:09:49.795 INFO [stderr]    |             ----^^
Dec 01 19:09:49.795 INFO [stderr]    |             |
Dec 01 19:09:49.795 INFO [stderr]    |             help: remove this `mut`
Dec 01 19:09:49.815 INFO [stderr]    |
Dec 01 19:09:49.815 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 19:09:49.815 INFO [stderr] 
Dec 01 19:09:49.847 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:49.847 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 01 19:09:49.847 INFO [stderr]     |
Dec 01 19:09:49.847 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 01 19:09:49.847 INFO [stderr]     |         ----^^^^^^^^
Dec 01 19:09:49.847 INFO [stderr]     |         |
Dec 01 19:09:49.847 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:49.847 INFO [stderr] 
Dec 01 19:09:49.971 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:49.971 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 01 19:09:49.971 INFO [stderr]     |
Dec 01 19:09:49.971 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 01 19:09:49.971 INFO [stderr]     |         ----^^^
Dec 01 19:09:49.972 INFO [stderr]     |         |
Dec 01 19:09:49.972 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:49.972 INFO [stderr] 
Dec 01 19:09:49.972 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:49.972 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 01 19:09:49.972 INFO [stderr]     |
Dec 01 19:09:49.972 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 01 19:09:49.972 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:49.972 INFO [stderr]     |         |
Dec 01 19:09:49.972 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:49.972 INFO [stderr] 
Dec 01 19:09:50.081 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:50.081 INFO [stderr]   --> src/hash.rs:61:9
Dec 01 19:09:50.081 INFO [stderr]    |
Dec 01 19:09:50.081 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:50.081 INFO [stderr]    |         ----^^
Dec 01 19:09:50.091 INFO [stderr]    |         |
Dec 01 19:09:50.091 INFO [stderr]    |         help: remove this `mut`
Dec 01 19:09:50.115 INFO [stderr] 
Dec 01 19:09:50.115 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:50.115 INFO [stderr]    --> src/hash.rs:113:9
Dec 01 19:09:50.115 INFO [stderr]     |
Dec 01 19:09:50.115 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 01 19:09:50.115 INFO [stderr]     |         ----^^
Dec 01 19:09:50.115 INFO [stderr]     |         |
Dec 01 19:09:50.115 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:50.119 INFO [stderr] 
Dec 01 19:09:50.119 INFO [stderr] warning: variable does not need to be mutable
Dec 01 19:09:50.119 INFO [stderr]    --> src/hash.rs:119:9
Dec 01 19:09:50.119 INFO [stderr]     |
Dec 01 19:09:50.119 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 01 19:09:50.119 INFO [stderr]     |         ----^^^^^^
Dec 01 19:09:50.119 INFO [stderr]     |         |
Dec 01 19:09:50.119 INFO [stderr]     |         help: remove this `mut`
Dec 01 19:09:50.119 INFO [stderr] 
Dec 01 19:09:50.147 INFO [stderr] warning: unnecessary `unsafe` block
Dec 01 19:09:50.147 INFO [stderr]   --> src/lib.rs:69:5
Dec 01 19:09:50.147 INFO [stderr]    |
Dec 01 19:09:50.147 INFO [stderr] 69 |     unsafe { transformed[0] }
Dec 01 19:09:50.147 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Dec 01 19:09:50.147 INFO [stderr]    |
Dec 01 19:09:50.147 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 01 19:09:50.147 INFO [stderr] 
Dec 01 19:09:57.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.19s
Dec 01 19:09:57.481 INFO [stderr] su: No module specific data is present
Dec 01 19:09:58.550 INFO running `"docker" "inspect" "81639399a15aa7350abfae5cd39bf7f9d93d8470c3885166f59d033fceda28aa"`
Dec 01 19:09:58.829 INFO running `"docker" "rm" "-f" "81639399a15aa7350abfae5cd39bf7f9d93d8470c3885166f59d033fceda28aa"`
Dec 01 19:09:59.187 INFO [stdout] 81639399a15aa7350abfae5cd39bf7f9d93d8470c3885166f59d033fceda28aa
