Nov 28 06:23:50.665 INFO checking donniemattingly/fingerprint against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 06:23:50.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"`
Nov 28 06:23:50.953 INFO [stdout] dbab0cdd1ac7c98eee2db233a5fd1234edb5fb69b0e40b1c9a8f51de6eb063ce
Nov 28 06:23:50.956 INFO running `"docker" "start" "-a" "dbab0cdd1ac7c98eee2db233a5fd1234edb5fb69b0e40b1c9a8f51de6eb063ce"`
Nov 28 06:23:52.355 INFO [stderr] usermod: no changes
Nov 28 06:23:52.696 INFO [stderr]     Checking sha1 v0.6.0
Nov 28 06:23:52.696 INFO [stderr]     Checking goertzel v0.2.0
Nov 28 06:23:52.697 INFO [stderr]     Checking hound v3.3.1
Nov 28 06:23:52.697 INFO [stderr]     Checking num_cpus v1.8.0
Nov 28 06:23:52.697 INFO [stderr]     Checking time v0.1.39
Nov 28 06:23:52.697 INFO [stderr]     Checking log v0.4.1
Nov 28 06:23:52.697 INFO [stderr]     Checking multimap v0.4.0
Nov 28 06:23:52.698 INFO [stderr]     Checking rand v0.3.22
Nov 28 06:23:55.191 INFO [stderr]     Checking num-bigint v0.1.43
Nov 28 06:23:55.353 INFO [stderr]     Checking rustfft v2.0.0
Nov 28 06:23:55.419 INFO [stderr]     Checking serde_yaml v0.7.3
Nov 28 06:23:56.441 INFO [stderr]     Checking png v0.11.0
Nov 28 06:23:56.790 INFO [stderr]     Checking miniz-sys v0.1.10
Nov 28 06:23:56.873 INFO [stderr]     Checking threadpool v1.7.1
Nov 28 06:23:57.606 INFO [stderr]     Checking serde-value v0.5.1
Nov 28 06:23:58.835 INFO [stderr]     Checking rayon-core v1.4.0
Nov 28 06:23:59.481 INFO [stderr]     Checking nalgebra v0.13.1
Nov 28 06:24:00.362 INFO [stderr]     Checking flate2 v1.0.1
Nov 28 06:24:06.410 INFO [stderr]     Checking rayon v1.0.0
Nov 28 06:24:07.433 INFO [stderr]     Checking num-rational v0.1.42
Nov 28 06:24:09.912 INFO [stderr]     Checking num v0.1.42
Nov 28 06:24:11.068 INFO [stderr]     Checking nalgebra v0.5.1
Nov 28 06:24:11.068 INFO [stderr]     Checking chrono v0.4.0
Nov 28 06:24:11.068 INFO [stderr]     Checking stopwatch v0.0.7
Nov 28 06:24:11.068 INFO [stderr]     Checking streaming-stats v0.1.28
Nov 28 06:24:18.252 INFO [stderr]     Checking log4rs v0.8.0
Nov 28 06:24:18.772 INFO [stderr]     Checking jpeg-decoder v0.1.14
Nov 28 06:24:25.665 INFO [stderr]     Checking image v0.18.0
Nov 28 06:24:32.196 INFO [stderr]     Checking apodize v0.2.0
Nov 28 06:24:52.372 INFO [stderr]     Checking fingerprint v0.1.0 (/source)
Nov 28 06:24:56.776 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 06:24:56.776 INFO [stderr]   --> src/main.rs:14:5
Nov 28 06:24:56.776 INFO [stderr]    |
Nov 28 06:24:56.777 INFO [stderr] 14 | use std::collections::HashMap;
Nov 28 06:24:56.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:56.777 INFO [stderr]    |
Nov 28 06:24:56.777 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 06:24:56.777 INFO [stderr] 
Nov 28 06:24:56.777 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 06:24:56.777 INFO [stderr]  --> src/hash.rs:5:5
Nov 28 06:24:56.777 INFO [stderr]   |
Nov 28 06:24:56.777 INFO [stderr] 5 | use std::collections::HashSet;
Nov 28 06:24:56.777 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:56.777 INFO [stderr] 
Nov 28 06:24:56.777 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 06:24:56.777 INFO [stderr]   --> src/main.rs:81:12
Nov 28 06:24:56.777 INFO [stderr]    |
Nov 28 06:24:56.777 INFO [stderr] 81 |         if (diff != cur) {
Nov 28 06:24:56.777 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 06:24:56.777 INFO [stderr]    |
Nov 28 06:24:56.777 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 06:24:56.777 INFO [stderr] 
Nov 28 06:24:56.777 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 06:24:56.777 INFO [stderr]   --> src/main.rs:82:16
Nov 28 06:24:56.777 INFO [stderr]    |
Nov 28 06:24:56.777 INFO [stderr] 82 |             if (cur_count > 10) {
Nov 28 06:24:56.777 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 06:24:56.777 INFO [stderr] 
Nov 28 06:24:57.868 INFO [stderr] warning: unused variable: `peaks_len`
Nov 28 06:24:57.869 INFO [stderr]    --> src/hash.rs:116:9
Nov 28 06:24:57.869 INFO [stderr]     |
Nov 28 06:24:57.869 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 28 06:24:57.869 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 28 06:24:57.869 INFO [stderr]     |
Nov 28 06:24:57.869 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 06:24:57.869 INFO [stderr] 
Nov 28 06:24:57.869 INFO [stderr] warning: unused variable: `peak`
Nov 28 06:24:57.869 INFO [stderr]    --> src/hash.rs:126:13
Nov 28 06:24:57.869 INFO [stderr]     |
Nov 28 06:24:57.869 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 28 06:24:57.869 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 28 06:24:57.869 INFO [stderr] 
Nov 28 06:24:57.869 INFO [stderr] warning: unused variable: `y`
Nov 28 06:24:57.869 INFO [stderr]    --> src/hash.rs:162:9
Nov 28 06:24:57.869 INFO [stderr]     |
Nov 28 06:24:57.869 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 28 06:24:57.869 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 28 06:24:57.869 INFO [stderr] 
Nov 28 06:24:57.869 INFO [stderr] warning: unused variable: `offsets2`
Nov 28 06:24:57.869 INFO [stderr]   --> src/main.rs:65:13
Nov 28 06:24:57.869 INFO [stderr]    |
Nov 28 06:24:57.869 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 28 06:24:57.869 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Nov 28 06:24:57.869 INFO [stderr] 
Nov 28 06:24:57.896 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:57.896 INFO [stderr]   --> src/main.rs:25:9
Nov 28 06:24:57.896 INFO [stderr]    |
Nov 28 06:24:57.896 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:57.896 INFO [stderr]    |         ----^^
Nov 28 06:24:57.896 INFO [stderr]    |         |
Nov 28 06:24:57.896 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:57.896 INFO [stderr]    |
Nov 28 06:24:57.896 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 06:24:57.896 INFO [stderr] 
Nov 28 06:24:57.992 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:57.992 INFO [stderr]   --> src/main.rs:44:9
Nov 28 06:24:57.992 INFO [stderr]    |
Nov 28 06:24:57.992 INFO [stderr] 44 |     let mut dups = 0;
Nov 28 06:24:57.992 INFO [stderr]    |         ----^^^^
Nov 28 06:24:57.992 INFO [stderr]    |         |
Nov 28 06:24:57.992 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:57.992 INFO [stderr] 
Nov 28 06:24:57.992 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:57.992 INFO [stderr]   --> src/main.rs:65:9
Nov 28 06:24:57.992 INFO [stderr]    |
Nov 28 06:24:57.992 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 28 06:24:57.992 INFO [stderr]    |         ----^^^^^^^^
Nov 28 06:24:57.992 INFO [stderr]    |         |
Nov 28 06:24:57.992 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:57.992 INFO [stderr] 
Nov 28 06:24:58.056 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.056 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 28 06:24:58.056 INFO [stderr]    |
Nov 28 06:24:58.056 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.056 INFO [stderr]    |             ----^^
Nov 28 06:24:58.056 INFO [stderr]    |             |
Nov 28 06:24:58.056 INFO [stderr]    |             help: remove this `mut`
Nov 28 06:24:58.056 INFO [stderr] 
Nov 28 06:24:58.088 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.088 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 28 06:24:58.088 INFO [stderr]     |
Nov 28 06:24:58.088 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 28 06:24:58.088 INFO [stderr]     |         ----^^^^^^^^
Nov 28 06:24:58.088 INFO [stderr]     |         |
Nov 28 06:24:58.088 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.088 INFO [stderr] 
Nov 28 06:24:58.160 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.160 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 28 06:24:58.160 INFO [stderr]     |
Nov 28 06:24:58.160 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 28 06:24:58.160 INFO [stderr]     |         ----^^^
Nov 28 06:24:58.160 INFO [stderr]     |         |
Nov 28 06:24:58.160 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.160 INFO [stderr] 
Nov 28 06:24:58.160 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.160 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 28 06:24:58.160 INFO [stderr]     |
Nov 28 06:24:58.160 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 28 06:24:58.160 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.160 INFO [stderr]     |         |
Nov 28 06:24:58.160 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.160 INFO [stderr] 
Nov 28 06:24:58.184 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 06:24:58.184 INFO [stderr]   --> src/main.rs:14:5
Nov 28 06:24:58.184 INFO [stderr]    |
Nov 28 06:24:58.184 INFO [stderr] 14 | use std::collections::HashMap;
Nov 28 06:24:58.184 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.184 INFO [stderr]    |
Nov 28 06:24:58.184 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 06:24:58.184 INFO [stderr] 
Nov 28 06:24:58.184 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 28 06:24:58.184 INFO [stderr]    --> src/spectrogram.rs:234:5
Nov 28 06:24:58.184 INFO [stderr]     |
Nov 28 06:24:58.184 INFO [stderr] 234 | use std::path::PathBuf;
Nov 28 06:24:58.184 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.184 INFO [stderr] 
Nov 28 06:24:58.184 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 06:24:58.184 INFO [stderr]  --> src/hash.rs:5:5
Nov 28 06:24:58.184 INFO [stderr]   |
Nov 28 06:24:58.184 INFO [stderr] 5 | use std::collections::HashSet;
Nov 28 06:24:58.184 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.184 INFO [stderr] 
Nov 28 06:24:58.185 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 28 06:24:58.185 INFO [stderr]    --> src/hash.rs:197:5
Nov 28 06:24:58.185 INFO [stderr]     |
Nov 28 06:24:58.185 INFO [stderr] 197 | use std::path::PathBuf;
Nov 28 06:24:58.185 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.185 INFO [stderr] 
Nov 28 06:24:58.185 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 06:24:58.185 INFO [stderr]   --> src/main.rs:81:12
Nov 28 06:24:58.185 INFO [stderr]    |
Nov 28 06:24:58.185 INFO [stderr] 81 |         if (diff != cur) {
Nov 28 06:24:58.185 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 06:24:58.185 INFO [stderr]    |
Nov 28 06:24:58.185 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 06:24:58.185 INFO [stderr] 
Nov 28 06:24:58.185 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 06:24:58.185 INFO [stderr]   --> src/main.rs:82:16
Nov 28 06:24:58.185 INFO [stderr]    |
Nov 28 06:24:58.185 INFO [stderr] 82 |             if (cur_count > 10) {
Nov 28 06:24:58.185 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 06:24:58.185 INFO [stderr] 
Nov 28 06:24:58.216 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.216 INFO [stderr]   --> src/hash.rs:61:9
Nov 28 06:24:58.216 INFO [stderr]    |
Nov 28 06:24:58.216 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.216 INFO [stderr]    |         ----^^
Nov 28 06:24:58.216 INFO [stderr]    |         |
Nov 28 06:24:58.216 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.216 INFO [stderr] 
Nov 28 06:24:58.224 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.224 INFO [stderr]    --> src/hash.rs:113:9
Nov 28 06:24:58.224 INFO [stderr]     |
Nov 28 06:24:58.224 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.224 INFO [stderr]     |         ----^^
Nov 28 06:24:58.224 INFO [stderr]     |         |
Nov 28 06:24:58.224 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.224 INFO [stderr] 
Nov 28 06:24:58.224 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.224 INFO [stderr]    --> src/hash.rs:119:9
Nov 28 06:24:58.224 INFO [stderr]     |
Nov 28 06:24:58.224 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 28 06:24:58.224 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.224 INFO [stderr]     |         |
Nov 28 06:24:58.224 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.224 INFO [stderr] 
Nov 28 06:24:58.236 INFO [stderr] warning: function is never used: `gen_spectrogram`
Nov 28 06:24:58.236 INFO [stderr]   --> src/main.rs:33:1
Nov 28 06:24:58.236 INFO [stderr]    |
Nov 28 06:24:58.236 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Nov 28 06:24:58.236 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.236 INFO [stderr]    |
Nov 28 06:24:58.236 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 06:24:58.236 INFO [stderr] 
Nov 28 06:24:58.236 INFO [stderr] warning: function is never used: `test_fingerprinting`
Nov 28 06:24:58.236 INFO [stderr]   --> src/main.rs:39:1
Nov 28 06:24:58.236 INFO [stderr]    |
Nov 28 06:24:58.236 INFO [stderr] 39 | fn test_fingerprinting() {
Nov 28 06:24:58.236 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.236 INFO [stderr] 
Nov 28 06:24:58.436 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Nov 28 06:24:58.436 INFO [stderr]  --> src/lib.rs:8:5
Nov 28 06:24:58.436 INFO [stderr]   |
Nov 28 06:24:58.436 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Nov 28 06:24:58.436 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.460 INFO [stderr]   |
Nov 28 06:24:58.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 06:24:58.460 INFO [stderr] 
Nov 28 06:24:58.460 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 06:24:58.460 INFO [stderr]   --> src/lib.rs:14:5
Nov 28 06:24:58.460 INFO [stderr]    |
Nov 28 06:24:58.460 INFO [stderr] 14 | use std::collections::HashMap;
Nov 28 06:24:58.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.460 INFO [stderr] 
Nov 28 06:24:58.460 INFO [stderr] warning: unused import: `multimap::MultiMap`
Nov 28 06:24:58.460 INFO [stderr]   --> src/lib.rs:18:5
Nov 28 06:24:58.460 INFO [stderr]    |
Nov 28 06:24:58.460 INFO [stderr] 18 | use multimap::MultiMap;
Nov 28 06:24:58.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.461 INFO [stderr] 
Nov 28 06:24:58.461 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 28 06:24:58.461 INFO [stderr]    --> src/spectrogram.rs:234:5
Nov 28 06:24:58.461 INFO [stderr]     |
Nov 28 06:24:58.461 INFO [stderr] 234 | use std::path::PathBuf;
Nov 28 06:24:58.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.461 INFO [stderr] 
Nov 28 06:24:58.461 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 06:24:58.461 INFO [stderr]  --> src/hash.rs:5:5
Nov 28 06:24:58.461 INFO [stderr]   |
Nov 28 06:24:58.461 INFO [stderr] 5 | use std::collections::HashSet;
Nov 28 06:24:58.461 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.461 INFO [stderr] 
Nov 28 06:24:58.461 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 28 06:24:58.461 INFO [stderr]    --> src/hash.rs:197:5
Nov 28 06:24:58.461 INFO [stderr]     |
Nov 28 06:24:58.461 INFO [stderr] 197 | use std::path::PathBuf;
Nov 28 06:24:58.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.461 INFO [stderr] 
Nov 28 06:24:58.764 INFO [stderr] warning: unused variable: `peaks_len`
Nov 28 06:24:58.764 INFO [stderr]    --> src/hash.rs:116:9
Nov 28 06:24:58.764 INFO [stderr]     |
Nov 28 06:24:58.764 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 28 06:24:58.764 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 28 06:24:58.764 INFO [stderr]     |
Nov 28 06:24:58.764 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 06:24:58.764 INFO [stderr] 
Nov 28 06:24:58.764 INFO [stderr] warning: unused variable: `peak`
Nov 28 06:24:58.764 INFO [stderr]    --> src/hash.rs:126:13
Nov 28 06:24:58.764 INFO [stderr]     |
Nov 28 06:24:58.764 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 28 06:24:58.764 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 28 06:24:58.764 INFO [stderr] 
Nov 28 06:24:58.764 INFO [stderr] warning: unused variable: `y`
Nov 28 06:24:58.764 INFO [stderr]    --> src/hash.rs:162:9
Nov 28 06:24:58.764 INFO [stderr]     |
Nov 28 06:24:58.765 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 28 06:24:58.765 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 28 06:24:58.765 INFO [stderr] 
Nov 28 06:24:58.765 INFO [stderr] warning: unused variable: `offsets2`
Nov 28 06:24:58.765 INFO [stderr]   --> src/main.rs:65:13
Nov 28 06:24:58.765 INFO [stderr]    |
Nov 28 06:24:58.765 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 28 06:24:58.765 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Nov 28 06:24:58.765 INFO [stderr] 
Nov 28 06:24:58.765 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.765 INFO [stderr]   --> src/main.rs:25:9
Nov 28 06:24:58.765 INFO [stderr]    |
Nov 28 06:24:58.765 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.765 INFO [stderr]    |         ----^^
Nov 28 06:24:58.765 INFO [stderr]    |         |
Nov 28 06:24:58.765 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.765 INFO [stderr]    |
Nov 28 06:24:58.765 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 06:24:58.765 INFO [stderr] 
Nov 28 06:24:58.784 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.784 INFO [stderr]   --> src/main.rs:44:9
Nov 28 06:24:58.784 INFO [stderr]    |
Nov 28 06:24:58.784 INFO [stderr] 44 |     let mut dups = 0;
Nov 28 06:24:58.784 INFO [stderr]    |         ----^^^^
Nov 28 06:24:58.784 INFO [stderr]    |         |
Nov 28 06:24:58.784 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.784 INFO [stderr] 
Nov 28 06:24:58.784 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.784 INFO [stderr]   --> src/main.rs:65:9
Nov 28 06:24:58.784 INFO [stderr]    |
Nov 28 06:24:58.784 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 28 06:24:58.784 INFO [stderr]    |         ----^^^^^^^^
Nov 28 06:24:58.784 INFO [stderr]    |         |
Nov 28 06:24:58.784 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.784 INFO [stderr] 
Nov 28 06:24:58.796 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.796 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 28 06:24:58.796 INFO [stderr]    |
Nov 28 06:24:58.796 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.796 INFO [stderr]    |             ----^^
Nov 28 06:24:58.796 INFO [stderr]    |             |
Nov 28 06:24:58.796 INFO [stderr]    |             help: remove this `mut`
Nov 28 06:24:58.796 INFO [stderr] 
Nov 28 06:24:58.797 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.797 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 28 06:24:58.797 INFO [stderr]     |
Nov 28 06:24:58.797 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 28 06:24:58.797 INFO [stderr]     |         ----^^^^^^^^
Nov 28 06:24:58.797 INFO [stderr]     |         |
Nov 28 06:24:58.797 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.797 INFO [stderr] 
Nov 28 06:24:58.816 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.816 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 28 06:24:58.816 INFO [stderr]     |
Nov 28 06:24:58.816 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 28 06:24:58.816 INFO [stderr]     |         ----^^^
Nov 28 06:24:58.816 INFO [stderr]     |         |
Nov 28 06:24:58.816 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.816 INFO [stderr] 
Nov 28 06:24:58.816 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.816 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 28 06:24:58.816 INFO [stderr]     |
Nov 28 06:24:58.816 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 28 06:24:58.816 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.816 INFO [stderr]     |         |
Nov 28 06:24:58.816 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.816 INFO [stderr] 
Nov 28 06:24:58.828 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.828 INFO [stderr]   --> src/hash.rs:61:9
Nov 28 06:24:58.828 INFO [stderr]    |
Nov 28 06:24:58.828 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.828 INFO [stderr]    |         ----^^
Nov 28 06:24:58.828 INFO [stderr]    |         |
Nov 28 06:24:58.828 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.828 INFO [stderr] 
Nov 28 06:24:58.836 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.836 INFO [stderr]    --> src/hash.rs:113:9
Nov 28 06:24:58.836 INFO [stderr]     |
Nov 28 06:24:58.836 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.836 INFO [stderr]     |         ----^^
Nov 28 06:24:58.836 INFO [stderr]     |         |
Nov 28 06:24:58.836 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.836 INFO [stderr] 
Nov 28 06:24:58.836 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.836 INFO [stderr]    --> src/hash.rs:119:9
Nov 28 06:24:58.836 INFO [stderr]     |
Nov 28 06:24:58.836 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 28 06:24:58.836 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.836 INFO [stderr]     |         |
Nov 28 06:24:58.836 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.836 INFO [stderr] 
Nov 28 06:24:58.840 INFO [stderr] warning: function is never used: `gen_spectrogram`
Nov 28 06:24:58.840 INFO [stderr]   --> src/main.rs:33:1
Nov 28 06:24:58.840 INFO [stderr]    |
Nov 28 06:24:58.840 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Nov 28 06:24:58.840 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.840 INFO [stderr]    |
Nov 28 06:24:58.840 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 06:24:58.840 INFO [stderr] 
Nov 28 06:24:58.840 INFO [stderr] warning: function is never used: `test_fingerprinting`
Nov 28 06:24:58.840 INFO [stderr]   --> src/main.rs:39:1
Nov 28 06:24:58.840 INFO [stderr]    |
Nov 28 06:24:58.840 INFO [stderr] 39 | fn test_fingerprinting() {
Nov 28 06:24:58.840 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:58.840 INFO [stderr] 
Nov 28 06:24:58.911 INFO [stderr] warning: unused variable: `peaks_len`
Nov 28 06:24:58.911 INFO [stderr]    --> src/hash.rs:116:9
Nov 28 06:24:58.911 INFO [stderr]     |
Nov 28 06:24:58.911 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 28 06:24:58.911 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 28 06:24:58.911 INFO [stderr]     |
Nov 28 06:24:58.911 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 06:24:58.911 INFO [stderr] 
Nov 28 06:24:58.911 INFO [stderr] warning: unused variable: `peak`
Nov 28 06:24:58.911 INFO [stderr]    --> src/hash.rs:126:13
Nov 28 06:24:58.911 INFO [stderr]     |
Nov 28 06:24:58.911 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 28 06:24:58.911 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 28 06:24:58.911 INFO [stderr] 
Nov 28 06:24:58.911 INFO [stderr] warning: unused variable: `y`
Nov 28 06:24:58.911 INFO [stderr]    --> src/hash.rs:162:9
Nov 28 06:24:58.911 INFO [stderr]     |
Nov 28 06:24:58.911 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 28 06:24:58.911 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 28 06:24:58.911 INFO [stderr] 
Nov 28 06:24:58.911 INFO [stderr] warning: unused variable: `path`
Nov 28 06:24:58.912 INFO [stderr]   --> src/lib.rs:53:39
Nov 28 06:24:58.912 INFO [stderr]    |
Nov 28 06:24:58.912 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Nov 28 06:24:58.912 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Nov 28 06:24:58.912 INFO [stderr] 
Nov 28 06:24:58.943 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.943 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 28 06:24:58.943 INFO [stderr]    |
Nov 28 06:24:58.943 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.943 INFO [stderr]    |             ----^^
Nov 28 06:24:58.943 INFO [stderr]    |             |
Nov 28 06:24:58.943 INFO [stderr]    |             help: remove this `mut`
Nov 28 06:24:58.943 INFO [stderr]    |
Nov 28 06:24:58.943 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 06:24:58.943 INFO [stderr] 
Nov 28 06:24:58.943 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.943 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 28 06:24:58.943 INFO [stderr]     |
Nov 28 06:24:58.943 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 28 06:24:58.943 INFO [stderr]     |         ----^^^^^^^^
Nov 28 06:24:58.943 INFO [stderr]     |         |
Nov 28 06:24:58.943 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.943 INFO [stderr] 
Nov 28 06:24:58.960 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.960 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 28 06:24:58.960 INFO [stderr]     |
Nov 28 06:24:58.960 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 28 06:24:58.960 INFO [stderr]     |         ----^^^
Nov 28 06:24:58.960 INFO [stderr]     |         |
Nov 28 06:24:58.960 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.960 INFO [stderr] 
Nov 28 06:24:58.960 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.960 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 28 06:24:58.960 INFO [stderr]     |
Nov 28 06:24:58.960 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 28 06:24:58.960 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.960 INFO [stderr]     |         |
Nov 28 06:24:58.960 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.960 INFO [stderr] 
Nov 28 06:24:58.977 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.977 INFO [stderr]   --> src/hash.rs:61:9
Nov 28 06:24:58.977 INFO [stderr]    |
Nov 28 06:24:58.977 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.977 INFO [stderr]    |         ----^^
Nov 28 06:24:58.977 INFO [stderr]    |         |
Nov 28 06:24:58.977 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:24:58.977 INFO [stderr] 
Nov 28 06:24:58.984 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.984 INFO [stderr]    --> src/hash.rs:113:9
Nov 28 06:24:58.984 INFO [stderr]     |
Nov 28 06:24:58.984 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 28 06:24:58.984 INFO [stderr]     |         ----^^
Nov 28 06:24:58.984 INFO [stderr]     |         |
Nov 28 06:24:58.984 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.984 INFO [stderr] 
Nov 28 06:24:58.984 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:58.984 INFO [stderr]    --> src/hash.rs:119:9
Nov 28 06:24:58.984 INFO [stderr]     |
Nov 28 06:24:58.984 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 28 06:24:58.984 INFO [stderr]     |         ----^^^^^^
Nov 28 06:24:58.984 INFO [stderr]     |         |
Nov 28 06:24:58.984 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:58.984 INFO [stderr] 
Nov 28 06:24:58.992 INFO [stderr] warning: unnecessary `unsafe` block
Nov 28 06:24:58.992 INFO [stderr]   --> src/lib.rs:69:5
Nov 28 06:24:58.992 INFO [stderr]    |
Nov 28 06:24:58.992 INFO [stderr] 69 |     unsafe { transformed[0] }
Nov 28 06:24:58.992 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Nov 28 06:24:58.992 INFO [stderr]    |
Nov 28 06:24:58.992 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 28 06:24:58.992 INFO [stderr] 
Nov 28 06:24:59.758 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Nov 28 06:24:59.764 INFO [stderr]  --> src/lib.rs:8:5
Nov 28 06:24:59.764 INFO [stderr]   |
Nov 28 06:24:59.764 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Nov 28 06:24:59.764 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:59.764 INFO [stderr]   |
Nov 28 06:24:59.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 06:24:59.764 INFO [stderr] 
Nov 28 06:24:59.764 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 06:24:59.764 INFO [stderr]   --> src/lib.rs:14:5
Nov 28 06:24:59.764 INFO [stderr]    |
Nov 28 06:24:59.764 INFO [stderr] 14 | use std::collections::HashMap;
Nov 28 06:24:59.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:59.764 INFO [stderr] 
Nov 28 06:24:59.764 INFO [stderr] warning: unused import: `multimap::MultiMap`
Nov 28 06:24:59.764 INFO [stderr]   --> src/lib.rs:18:5
Nov 28 06:24:59.764 INFO [stderr]    |
Nov 28 06:24:59.764 INFO [stderr] 18 | use multimap::MultiMap;
Nov 28 06:24:59.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 28 06:24:59.764 INFO [stderr] 
Nov 28 06:24:59.764 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 06:24:59.764 INFO [stderr]  --> src/hash.rs:5:5
Nov 28 06:24:59.764 INFO [stderr]   |
Nov 28 06:24:59.764 INFO [stderr] 5 | use std::collections::HashSet;
Nov 28 06:24:59.764 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:24:59.764 INFO [stderr] 
Nov 28 06:24:59.968 INFO [stderr] warning: unused variable: `peaks_len`
Nov 28 06:24:59.968 INFO [stderr]    --> src/hash.rs:116:9
Nov 28 06:24:59.968 INFO [stderr]     |
Nov 28 06:24:59.968 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 28 06:24:59.968 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 28 06:24:59.968 INFO [stderr]     |
Nov 28 06:24:59.968 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 06:24:59.968 INFO [stderr] 
Nov 28 06:24:59.968 INFO [stderr] warning: unused variable: `peak`
Nov 28 06:24:59.968 INFO [stderr]    --> src/hash.rs:126:13
Nov 28 06:24:59.968 INFO [stderr]     |
Nov 28 06:24:59.968 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 28 06:24:59.968 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 28 06:24:59.968 INFO [stderr] 
Nov 28 06:24:59.968 INFO [stderr] warning: unused variable: `y`
Nov 28 06:24:59.968 INFO [stderr]    --> src/hash.rs:162:9
Nov 28 06:24:59.968 INFO [stderr]     |
Nov 28 06:24:59.968 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 28 06:24:59.968 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 28 06:24:59.968 INFO [stderr] 
Nov 28 06:24:59.968 INFO [stderr] warning: unused variable: `path`
Nov 28 06:24:59.968 INFO [stderr]   --> src/lib.rs:53:39
Nov 28 06:24:59.968 INFO [stderr]    |
Nov 28 06:24:59.968 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Nov 28 06:24:59.968 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Nov 28 06:24:59.968 INFO [stderr] 
Nov 28 06:24:59.987 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:59.988 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 28 06:24:59.988 INFO [stderr]    |
Nov 28 06:24:59.989 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 28 06:24:59.989 INFO [stderr]    |             ----^^
Nov 28 06:24:59.989 INFO [stderr]    |             |
Nov 28 06:24:59.989 INFO [stderr]    |             help: remove this `mut`
Nov 28 06:24:59.989 INFO [stderr]    |
Nov 28 06:24:59.989 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 06:24:59.990 INFO [stderr] 
Nov 28 06:24:59.995 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:24:59.995 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 28 06:24:59.995 INFO [stderr]     |
Nov 28 06:24:59.995 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 28 06:24:59.995 INFO [stderr]     |         ----^^^^^^^^
Nov 28 06:24:59.995 INFO [stderr]     |         |
Nov 28 06:24:59.995 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:24:59.995 INFO [stderr] 
Nov 28 06:25:00.012 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:25:00.012 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 28 06:25:00.012 INFO [stderr]     |
Nov 28 06:25:00.012 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 28 06:25:00.012 INFO [stderr]     |         ----^^^
Nov 28 06:25:00.012 INFO [stderr]     |         |
Nov 28 06:25:00.013 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:25:00.013 INFO [stderr] 
Nov 28 06:25:00.013 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:25:00.013 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 28 06:25:00.013 INFO [stderr]     |
Nov 28 06:25:00.013 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 28 06:25:00.013 INFO [stderr]     |         ----^^^^^^
Nov 28 06:25:00.013 INFO [stderr]     |         |
Nov 28 06:25:00.013 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:25:00.013 INFO [stderr] 
Nov 28 06:25:00.037 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:25:00.037 INFO [stderr]   --> src/hash.rs:61:9
Nov 28 06:25:00.037 INFO [stderr]    |
Nov 28 06:25:00.037 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 28 06:25:00.037 INFO [stderr]    |         ----^^
Nov 28 06:25:00.037 INFO [stderr]    |         |
Nov 28 06:25:00.037 INFO [stderr]    |         help: remove this `mut`
Nov 28 06:25:00.037 INFO [stderr] 
Nov 28 06:25:00.051 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:25:00.051 INFO [stderr]    --> src/hash.rs:113:9
Nov 28 06:25:00.051 INFO [stderr]     |
Nov 28 06:25:00.051 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 28 06:25:00.051 INFO [stderr]     |         ----^^
Nov 28 06:25:00.051 INFO [stderr]     |         |
Nov 28 06:25:00.051 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:25:00.051 INFO [stderr] 
Nov 28 06:25:00.051 INFO [stderr] warning: variable does not need to be mutable
Nov 28 06:25:00.052 INFO [stderr]    --> src/hash.rs:119:9
Nov 28 06:25:00.052 INFO [stderr]     |
Nov 28 06:25:00.052 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 28 06:25:00.052 INFO [stderr]     |         ----^^^^^^
Nov 28 06:25:00.052 INFO [stderr]     |         |
Nov 28 06:25:00.052 INFO [stderr]     |         help: remove this `mut`
Nov 28 06:25:00.052 INFO [stderr] 
Nov 28 06:25:00.058 INFO [stderr] warning: unnecessary `unsafe` block
Nov 28 06:25:00.058 INFO [stderr]   --> src/lib.rs:69:5
Nov 28 06:25:00.058 INFO [stderr]    |
Nov 28 06:25:00.058 INFO [stderr] 69 |     unsafe { transformed[0] }
Nov 28 06:25:00.058 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Nov 28 06:25:00.058 INFO [stderr]    |
Nov 28 06:25:00.058 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 28 06:25:00.058 INFO [stderr] 
Nov 28 06:25:00.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
Nov 28 06:25:00.180 INFO [stderr] su: No module specific data is present
Nov 28 06:25:01.268 INFO running `"docker" "inspect" "dbab0cdd1ac7c98eee2db233a5fd1234edb5fb69b0e40b1c9a8f51de6eb063ce"`
Nov 28 06:25:01.544 INFO running `"docker" "rm" "-f" "dbab0cdd1ac7c98eee2db233a5fd1234edb5fb69b0e40b1c9a8f51de6eb063ce"`
Nov 28 06:25:01.752 INFO [stdout] dbab0cdd1ac7c98eee2db233a5fd1234edb5fb69b0e40b1c9a8f51de6eb063ce