Nov 30 03:59:54.714 INFO checking donniemattingly/fingerprint against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 03:59:54.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 03:59:55.259 INFO [stdout] dfbf229c29e55d0b3050caed7f0b08036c347f7d28226ddf1fdd63eeb519c7be
Nov 30 03:59:55.261 INFO running `"docker" "start" "-a" "dfbf229c29e55d0b3050caed7f0b08036c347f7d28226ddf1fdd63eeb519c7be"`
Nov 30 03:59:57.115 INFO [stderr] usermod: no changes
Nov 30 03:59:57.439 INFO [stderr]     Checking libc v0.2.38
Nov 30 03:59:57.471 INFO [stderr]     Checking hound v3.3.1
Nov 30 03:59:57.471 INFO [stderr]    Compiling miniz-sys v0.1.10
Nov 30 03:59:57.471 INFO [stderr]     Checking log v0.4.1
Nov 30 03:59:57.471 INFO [stderr]     Checking multimap v0.4.0
Nov 30 03:59:57.471 INFO [stderr]     Checking alga v0.5.3
Nov 30 03:59:57.471 INFO [stderr]     Checking rustfft v2.0.0
Nov 30 03:59:57.471 INFO [stderr]     Checking serde_yaml v0.7.3
Nov 30 04:00:01.586 INFO [stderr]     Checking png v0.11.0
Nov 30 04:00:01.849 INFO [stderr]     Checking serde-value v0.5.1
Nov 30 04:00:04.454 INFO [stderr]     Checking rand v0.4.2
Nov 30 04:00:04.454 INFO [stderr]     Checking num_cpus v1.8.0
Nov 30 04:00:04.454 INFO [stderr]     Checking time v0.1.39
Nov 30 04:00:06.545 INFO [stderr]     Checking threadpool v1.7.1
Nov 30 04:00:07.587 INFO [stderr]     Checking flate2 v1.0.1
Nov 30 04:00:10.880 INFO [stderr]     Checking num-bigint v0.1.43
Nov 30 04:00:10.880 INFO [stderr]     Checking rayon-core v1.4.0
Nov 30 04:00:10.880 INFO [stderr]     Checking rand v0.3.22
Nov 30 04:00:12.513 INFO [stderr]     Checking nalgebra v0.13.1
Nov 30 04:00:13.572 INFO [stderr]     Checking rayon v1.0.0
Nov 30 04:00:15.348 INFO [stderr]     Checking num-rational v0.1.42
Nov 30 04:00:17.591 INFO [stderr]     Checking num v0.1.42
Nov 30 04:00:18.933 INFO [stderr]     Checking nalgebra v0.5.1
Nov 30 04:00:18.933 INFO [stderr]     Checking chrono v0.4.0
Nov 30 04:00:18.940 INFO [stderr]     Checking stopwatch v0.0.7
Nov 30 04:00:18.948 INFO [stderr]     Checking streaming-stats v0.1.28
Nov 30 04:00:23.708 INFO [stderr]     Checking jpeg-decoder v0.1.14
Nov 30 04:00:24.748 INFO [stderr]     Checking log4rs v0.8.0
Nov 30 04:00:25.932 INFO [stderr]     Checking image v0.18.0
Nov 30 04:00:34.596 INFO [stderr]     Checking apodize v0.2.0
Nov 30 04:00:51.780 INFO [stderr]     Checking fingerprint v0.1.0 (/source)
Nov 30 04:00:56.826 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Nov 30 04:00:56.826 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:00:56.826 INFO [stderr]   |
Nov 30 04:00:56.826 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Nov 30 04:00:56.826 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.826 INFO [stderr]   |
Nov 30 04:00:56.826 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 04:00:56.826 INFO [stderr] 
Nov 30 04:00:56.826 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 04:00:56.826 INFO [stderr]   --> src/lib.rs:14:5
Nov 30 04:00:56.826 INFO [stderr]    |
Nov 30 04:00:56.826 INFO [stderr] 14 | use std::collections::HashMap;
Nov 30 04:00:56.826 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.826 INFO [stderr] 
Nov 30 04:00:56.826 INFO [stderr] warning: unused import: `multimap::MultiMap`
Nov 30 04:00:56.826 INFO [stderr]   --> src/lib.rs:18:5
Nov 30 04:00:56.826 INFO [stderr]    |
Nov 30 04:00:56.826 INFO [stderr] 18 | use multimap::MultiMap;
Nov 30 04:00:56.826 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.826 INFO [stderr] 
Nov 30 04:00:56.826 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 30 04:00:56.826 INFO [stderr]    --> src/spectrogram.rs:234:5
Nov 30 04:00:56.826 INFO [stderr]     |
Nov 30 04:00:56.826 INFO [stderr] 234 | use std::path::PathBuf;
Nov 30 04:00:56.826 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.826 INFO [stderr] 
Nov 30 04:00:56.826 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 30 04:00:56.827 INFO [stderr]  --> src/hash.rs:5:5
Nov 30 04:00:56.827 INFO [stderr]   |
Nov 30 04:00:56.828 INFO [stderr] 5 | use std::collections::HashSet;
Nov 30 04:00:56.828 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.828 INFO [stderr] 
Nov 30 04:00:56.828 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 30 04:00:56.828 INFO [stderr]    --> src/hash.rs:197:5
Nov 30 04:00:56.828 INFO [stderr]     |
Nov 30 04:00:56.828 INFO [stderr] 197 | use std::path::PathBuf;
Nov 30 04:00:56.828 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:56.828 INFO [stderr] 
Nov 30 04:00:57.280 INFO [stderr] warning: unused variable: `peaks_len`
Nov 30 04:00:57.280 INFO [stderr]    --> src/hash.rs:116:9
Nov 30 04:00:57.280 INFO [stderr]     |
Nov 30 04:00:57.280 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 30 04:00:57.280 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 30 04:00:57.280 INFO [stderr]     |
Nov 30 04:00:57.280 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 04:00:57.280 INFO [stderr] 
Nov 30 04:00:57.280 INFO [stderr] warning: unused variable: `peak`
Nov 30 04:00:57.280 INFO [stderr]    --> src/hash.rs:126:13
Nov 30 04:00:57.280 INFO [stderr]     |
Nov 30 04:00:57.280 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 30 04:00:57.280 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 30 04:00:57.280 INFO [stderr] 
Nov 30 04:00:57.280 INFO [stderr] warning: unused variable: `y`
Nov 30 04:00:57.280 INFO [stderr]    --> src/hash.rs:162:9
Nov 30 04:00:57.280 INFO [stderr]     |
Nov 30 04:00:57.280 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 30 04:00:57.280 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 30 04:00:57.280 INFO [stderr] 
Nov 30 04:00:57.284 INFO [stderr] warning: unused variable: `path`
Nov 30 04:00:57.284 INFO [stderr]   --> src/lib.rs:53:39
Nov 30 04:00:57.284 INFO [stderr]    |
Nov 30 04:00:57.284 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Nov 30 04:00:57.284 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Nov 30 04:00:57.284 INFO [stderr] 
Nov 30 04:00:57.365 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.365 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 30 04:00:57.365 INFO [stderr]    |
Nov 30 04:00:57.365 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 30 04:00:57.365 INFO [stderr]    |             ----^^
Nov 30 04:00:57.365 INFO [stderr]    |             |
Nov 30 04:00:57.365 INFO [stderr]    |             help: remove this `mut`
Nov 30 04:00:57.381 INFO [stderr]    |
Nov 30 04:00:57.381 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 04:00:57.381 INFO [stderr] 
Nov 30 04:00:57.421 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.421 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 30 04:00:57.421 INFO [stderr]     |
Nov 30 04:00:57.421 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 30 04:00:57.421 INFO [stderr]     |         ----^^^^^^^^
Nov 30 04:00:57.421 INFO [stderr]     |         |
Nov 30 04:00:57.421 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:57.421 INFO [stderr] 
Nov 30 04:00:57.508 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.508 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 30 04:00:57.508 INFO [stderr]     |
Nov 30 04:00:57.508 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 30 04:00:57.508 INFO [stderr]     |         ----^^^
Nov 30 04:00:57.508 INFO [stderr]     |         |
Nov 30 04:00:57.508 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:57.522 INFO [stderr] 
Nov 30 04:00:57.522 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.522 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 30 04:00:57.522 INFO [stderr]     |
Nov 30 04:00:57.522 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 30 04:00:57.522 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:57.522 INFO [stderr]     |         |
Nov 30 04:00:57.522 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:57.522 INFO [stderr] 
Nov 30 04:00:57.580 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.580 INFO [stderr]   --> src/hash.rs:61:9
Nov 30 04:00:57.580 INFO [stderr]    |
Nov 30 04:00:57.580 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:57.580 INFO [stderr]    |         ----^^
Nov 30 04:00:57.580 INFO [stderr]    |         |
Nov 30 04:00:57.580 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:57.600 INFO [stderr] 
Nov 30 04:00:57.612 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.612 INFO [stderr]    --> src/hash.rs:113:9
Nov 30 04:00:57.612 INFO [stderr]     |
Nov 30 04:00:57.612 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:57.612 INFO [stderr]     |         ----^^
Nov 30 04:00:57.612 INFO [stderr]     |         |
Nov 30 04:00:57.612 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:57.624 INFO [stderr] 
Nov 30 04:00:57.624 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:57.624 INFO [stderr]    --> src/hash.rs:119:9
Nov 30 04:00:57.624 INFO [stderr]     |
Nov 30 04:00:57.624 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 30 04:00:57.624 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:57.624 INFO [stderr]     |         |
Nov 30 04:00:57.624 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:57.624 INFO [stderr] 
Nov 30 04:00:57.656 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 04:00:57.656 INFO [stderr]   --> src/lib.rs:69:5
Nov 30 04:00:57.656 INFO [stderr]    |
Nov 30 04:00:57.656 INFO [stderr] 69 |     unsafe { transformed[0] }
Nov 30 04:00:57.656 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Nov 30 04:00:57.656 INFO [stderr]    |
Nov 30 04:00:57.656 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 04:00:57.656 INFO [stderr] 
Nov 30 04:00:58.628 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 04:00:58.628 INFO [stderr]   --> src/main.rs:14:5
Nov 30 04:00:58.628 INFO [stderr]    |
Nov 30 04:00:58.628 INFO [stderr] 14 | use std::collections::HashMap;
Nov 30 04:00:58.628 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.628 INFO [stderr]    |
Nov 30 04:00:58.628 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 04:00:58.628 INFO [stderr] 
Nov 30 04:00:58.628 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 30 04:00:58.628 INFO [stderr]  --> src/hash.rs:5:5
Nov 30 04:00:58.628 INFO [stderr]   |
Nov 30 04:00:58.628 INFO [stderr] 5 | use std::collections::HashSet;
Nov 30 04:00:58.628 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.628 INFO [stderr] 
Nov 30 04:00:58.628 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 30 04:00:58.628 INFO [stderr]   --> src/main.rs:81:12
Nov 30 04:00:58.628 INFO [stderr]    |
Nov 30 04:00:58.628 INFO [stderr] 81 |         if (diff != cur) {
Nov 30 04:00:58.628 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 04:00:58.628 INFO [stderr]    |
Nov 30 04:00:58.628 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 04:00:58.628 INFO [stderr] 
Nov 30 04:00:58.628 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 30 04:00:58.628 INFO [stderr]   --> src/main.rs:82:16
Nov 30 04:00:58.628 INFO [stderr]    |
Nov 30 04:00:58.628 INFO [stderr] 82 |             if (cur_count > 10) {
Nov 30 04:00:58.628 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 04:00:58.628 INFO [stderr] 
Nov 30 04:00:58.852 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 04:00:58.853 INFO [stderr]   --> src/main.rs:14:5
Nov 30 04:00:58.853 INFO [stderr]    |
Nov 30 04:00:58.853 INFO [stderr] 14 | use std::collections::HashMap;
Nov 30 04:00:58.853 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.853 INFO [stderr]    |
Nov 30 04:00:58.853 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.853 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 30 04:00:58.853 INFO [stderr]    --> src/spectrogram.rs:234:5
Nov 30 04:00:58.853 INFO [stderr]     |
Nov 30 04:00:58.853 INFO [stderr] 234 | use std::path::PathBuf;
Nov 30 04:00:58.853 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.853 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 30 04:00:58.853 INFO [stderr]  --> src/hash.rs:5:5
Nov 30 04:00:58.853 INFO [stderr]   |
Nov 30 04:00:58.853 INFO [stderr] 5 | use std::collections::HashSet;
Nov 30 04:00:58.853 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.853 INFO [stderr] warning: unused import: `std::path::PathBuf`
Nov 30 04:00:58.853 INFO [stderr]    --> src/hash.rs:197:5
Nov 30 04:00:58.853 INFO [stderr]     |
Nov 30 04:00:58.853 INFO [stderr] 197 | use std::path::PathBuf;
Nov 30 04:00:58.853 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.853 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 30 04:00:58.853 INFO [stderr]   --> src/main.rs:81:12
Nov 30 04:00:58.853 INFO [stderr]    |
Nov 30 04:00:58.853 INFO [stderr] 81 |         if (diff != cur) {
Nov 30 04:00:58.853 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 04:00:58.853 INFO [stderr]    |
Nov 30 04:00:58.853 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.853 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 30 04:00:58.853 INFO [stderr]   --> src/main.rs:82:16
Nov 30 04:00:58.853 INFO [stderr]    |
Nov 30 04:00:58.853 INFO [stderr] 82 |             if (cur_count > 10) {
Nov 30 04:00:58.853 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 04:00:58.853 INFO [stderr] 
Nov 30 04:00:58.904 INFO [stderr] warning: unused variable: `peaks_len`
Nov 30 04:00:58.905 INFO [stderr]    --> src/hash.rs:116:9
Nov 30 04:00:58.905 INFO [stderr]     |
Nov 30 04:00:58.905 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 30 04:00:58.905 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 30 04:00:58.905 INFO [stderr]     |
Nov 30 04:00:58.905 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 04:00:58.905 INFO [stderr] 
Nov 30 04:00:58.905 INFO [stderr] warning: unused variable: `peak`
Nov 30 04:00:58.905 INFO [stderr]    --> src/hash.rs:126:13
Nov 30 04:00:58.905 INFO [stderr]     |
Nov 30 04:00:58.905 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 30 04:00:58.905 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 30 04:00:58.905 INFO [stderr] 
Nov 30 04:00:58.905 INFO [stderr] warning: unused variable: `y`
Nov 30 04:00:58.905 INFO [stderr]    --> src/hash.rs:162:9
Nov 30 04:00:58.905 INFO [stderr]     |
Nov 30 04:00:58.905 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 30 04:00:58.905 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 30 04:00:58.905 INFO [stderr] 
Nov 30 04:00:58.905 INFO [stderr] warning: unused variable: `offsets2`
Nov 30 04:00:58.905 INFO [stderr]   --> src/main.rs:65:13
Nov 30 04:00:58.905 INFO [stderr]    |
Nov 30 04:00:58.905 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 30 04:00:58.905 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Nov 30 04:00:58.905 INFO [stderr] 
Nov 30 04:00:58.910 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:58.910 INFO [stderr]   --> src/main.rs:25:9
Nov 30 04:00:58.910 INFO [stderr]    |
Nov 30 04:00:58.910 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:58.910 INFO [stderr]    |         ----^^
Nov 30 04:00:58.910 INFO [stderr]    |         |
Nov 30 04:00:58.910 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:58.910 INFO [stderr]    |
Nov 30 04:00:58.910 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 04:00:58.910 INFO [stderr] 
Nov 30 04:00:58.944 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:58.947 INFO [stderr]   --> src/main.rs:44:9
Nov 30 04:00:58.947 INFO [stderr]    |
Nov 30 04:00:58.947 INFO [stderr] 44 |     let mut dups = 0;
Nov 30 04:00:58.947 INFO [stderr]    |         ----^^^^
Nov 30 04:00:58.947 INFO [stderr]    |         |
Nov 30 04:00:58.947 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:58.947 INFO [stderr] 
Nov 30 04:00:58.952 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:58.952 INFO [stderr]   --> src/main.rs:65:9
Nov 30 04:00:58.952 INFO [stderr]    |
Nov 30 04:00:58.952 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 30 04:00:58.952 INFO [stderr]    |         ----^^^^^^^^
Nov 30 04:00:58.952 INFO [stderr]    |         |
Nov 30 04:00:58.952 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:58.952 INFO [stderr] 
Nov 30 04:00:58.974 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:58.974 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 30 04:00:58.974 INFO [stderr]    |
Nov 30 04:00:58.974 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 30 04:00:58.974 INFO [stderr]    |             ----^^
Nov 30 04:00:58.974 INFO [stderr]    |             |
Nov 30 04:00:58.974 INFO [stderr]    |             help: remove this `mut`
Nov 30 04:00:58.974 INFO [stderr] 
Nov 30 04:00:59.000 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.000 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 30 04:00:59.000 INFO [stderr]     |
Nov 30 04:00:59.000 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 30 04:00:59.000 INFO [stderr]     |         ----^^^^^^^^
Nov 30 04:00:59.000 INFO [stderr]     |         |
Nov 30 04:00:59.000 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.000 INFO [stderr] 
Nov 30 04:00:59.027 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.027 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 30 04:00:59.027 INFO [stderr]     |
Nov 30 04:00:59.027 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 30 04:00:59.027 INFO [stderr]     |         ----^^^
Nov 30 04:00:59.027 INFO [stderr]     |         |
Nov 30 04:00:59.027 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.027 INFO [stderr] 
Nov 30 04:00:59.027 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.027 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 30 04:00:59.027 INFO [stderr]     |
Nov 30 04:00:59.032 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 30 04:00:59.032 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.032 INFO [stderr]     |         |
Nov 30 04:00:59.032 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.032 INFO [stderr] 
Nov 30 04:00:59.051 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.051 INFO [stderr]   --> src/hash.rs:61:9
Nov 30 04:00:59.051 INFO [stderr]    |
Nov 30 04:00:59.051 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.052 INFO [stderr]    |         ----^^
Nov 30 04:00:59.052 INFO [stderr]    |         |
Nov 30 04:00:59.052 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.052 INFO [stderr] 
Nov 30 04:00:59.058 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.058 INFO [stderr]    --> src/hash.rs:113:9
Nov 30 04:00:59.058 INFO [stderr]     |
Nov 30 04:00:59.059 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.059 INFO [stderr]     |         ----^^
Nov 30 04:00:59.059 INFO [stderr]     |         |
Nov 30 04:00:59.059 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.060 INFO [stderr] 
Nov 30 04:00:59.060 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.060 INFO [stderr]    --> src/hash.rs:119:9
Nov 30 04:00:59.060 INFO [stderr]     |
Nov 30 04:00:59.060 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 30 04:00:59.060 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.060 INFO [stderr]     |         |
Nov 30 04:00:59.060 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.064 INFO [stderr] 
Nov 30 04:00:59.067 INFO [stderr] warning: unused variable: `peaks_len`
Nov 30 04:00:59.067 INFO [stderr]    --> src/hash.rs:116:9
Nov 30 04:00:59.067 INFO [stderr]     |
Nov 30 04:00:59.067 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 30 04:00:59.067 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 30 04:00:59.067 INFO [stderr]     |
Nov 30 04:00:59.067 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 04:00:59.067 INFO [stderr] 
Nov 30 04:00:59.067 INFO [stderr] warning: unused variable: `peak`
Nov 30 04:00:59.067 INFO [stderr]    --> src/hash.rs:126:13
Nov 30 04:00:59.067 INFO [stderr]     |
Nov 30 04:00:59.067 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 30 04:00:59.067 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 30 04:00:59.067 INFO [stderr] 
Nov 30 04:00:59.067 INFO [stderr] warning: unused variable: `y`
Nov 30 04:00:59.067 INFO [stderr]    --> src/hash.rs:162:9
Nov 30 04:00:59.067 INFO [stderr]     |
Nov 30 04:00:59.067 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 30 04:00:59.067 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 30 04:00:59.067 INFO [stderr] 
Nov 30 04:00:59.067 INFO [stderr] warning: unused variable: `offsets2`
Nov 30 04:00:59.067 INFO [stderr]   --> src/main.rs:65:13
Nov 30 04:00:59.067 INFO [stderr]    |
Nov 30 04:00:59.067 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 30 04:00:59.067 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Nov 30 04:00:59.067 INFO [stderr] 
Nov 30 04:00:59.068 INFO [stderr] warning: function is never used: `gen_spectrogram`
Nov 30 04:00:59.068 INFO [stderr]   --> src/main.rs:33:1
Nov 30 04:00:59.068 INFO [stderr]    |
Nov 30 04:00:59.068 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Nov 30 04:00:59.068 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.068 INFO [stderr]    |
Nov 30 04:00:59.068 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 04:00:59.068 INFO [stderr] 
Nov 30 04:00:59.068 INFO [stderr] warning: function is never used: `test_fingerprinting`
Nov 30 04:00:59.068 INFO [stderr]   --> src/main.rs:39:1
Nov 30 04:00:59.068 INFO [stderr]    |
Nov 30 04:00:59.068 INFO [stderr] 39 | fn test_fingerprinting() {
Nov 30 04:00:59.068 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.069 INFO [stderr] 
Nov 30 04:00:59.072 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.072 INFO [stderr]   --> src/main.rs:25:9
Nov 30 04:00:59.072 INFO [stderr]    |
Nov 30 04:00:59.072 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.072 INFO [stderr]    |         ----^^
Nov 30 04:00:59.072 INFO [stderr]    |         |
Nov 30 04:00:59.072 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.072 INFO [stderr]    |
Nov 30 04:00:59.072 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 04:00:59.072 INFO [stderr] 
Nov 30 04:00:59.093 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.093 INFO [stderr]   --> src/main.rs:44:9
Nov 30 04:00:59.093 INFO [stderr]    |
Nov 30 04:00:59.093 INFO [stderr] 44 |     let mut dups = 0;
Nov 30 04:00:59.093 INFO [stderr]    |         ----^^^^
Nov 30 04:00:59.093 INFO [stderr]    |         |
Nov 30 04:00:59.093 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.093 INFO [stderr] 
Nov 30 04:00:59.093 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.093 INFO [stderr]   --> src/main.rs:65:9
Nov 30 04:00:59.093 INFO [stderr]    |
Nov 30 04:00:59.093 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Nov 30 04:00:59.093 INFO [stderr]    |         ----^^^^^^^^
Nov 30 04:00:59.093 INFO [stderr]    |         |
Nov 30 04:00:59.093 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.093 INFO [stderr] 
Nov 30 04:00:59.125 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.125 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 30 04:00:59.125 INFO [stderr]    |
Nov 30 04:00:59.125 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.125 INFO [stderr]    |             ----^^
Nov 30 04:00:59.126 INFO [stderr]    |             |
Nov 30 04:00:59.126 INFO [stderr]    |             help: remove this `mut`
Nov 30 04:00:59.126 INFO [stderr] 
Nov 30 04:00:59.147 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.147 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 30 04:00:59.147 INFO [stderr]     |
Nov 30 04:00:59.147 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 30 04:00:59.147 INFO [stderr]     |         ----^^^^^^^^
Nov 30 04:00:59.147 INFO [stderr]     |         |
Nov 30 04:00:59.147 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.152 INFO [stderr] 
Nov 30 04:00:59.180 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.180 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 30 04:00:59.180 INFO [stderr]     |
Nov 30 04:00:59.180 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 30 04:00:59.180 INFO [stderr]     |         ----^^^
Nov 30 04:00:59.180 INFO [stderr]     |         |
Nov 30 04:00:59.180 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.180 INFO [stderr] 
Nov 30 04:00:59.180 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.180 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 30 04:00:59.180 INFO [stderr]     |
Nov 30 04:00:59.180 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 30 04:00:59.180 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.180 INFO [stderr]     |         |
Nov 30 04:00:59.180 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.180 INFO [stderr] 
Nov 30 04:00:59.204 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.204 INFO [stderr]   --> src/hash.rs:61:9
Nov 30 04:00:59.204 INFO [stderr]    |
Nov 30 04:00:59.204 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.204 INFO [stderr]    |         ----^^
Nov 30 04:00:59.204 INFO [stderr]    |         |
Nov 30 04:00:59.204 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.204 INFO [stderr] 
Nov 30 04:00:59.210 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.210 INFO [stderr]    --> src/hash.rs:113:9
Nov 30 04:00:59.210 INFO [stderr]     |
Nov 30 04:00:59.210 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.210 INFO [stderr]     |         ----^^
Nov 30 04:00:59.210 INFO [stderr]     |         |
Nov 30 04:00:59.210 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.210 INFO [stderr] 
Nov 30 04:00:59.210 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.210 INFO [stderr]    --> src/hash.rs:119:9
Nov 30 04:00:59.210 INFO [stderr]     |
Nov 30 04:00:59.210 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 30 04:00:59.210 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.210 INFO [stderr]     |         |
Nov 30 04:00:59.210 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.210 INFO [stderr] 
Nov 30 04:00:59.216 INFO [stderr] warning: function is never used: `gen_spectrogram`
Nov 30 04:00:59.216 INFO [stderr]   --> src/main.rs:33:1
Nov 30 04:00:59.216 INFO [stderr]    |
Nov 30 04:00:59.216 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Nov 30 04:00:59.216 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.216 INFO [stderr]    |
Nov 30 04:00:59.224 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 04:00:59.224 INFO [stderr] 
Nov 30 04:00:59.224 INFO [stderr] warning: function is never used: `test_fingerprinting`
Nov 30 04:00:59.224 INFO [stderr]   --> src/main.rs:39:1
Nov 30 04:00:59.224 INFO [stderr]    |
Nov 30 04:00:59.224 INFO [stderr] 39 | fn test_fingerprinting() {
Nov 30 04:00:59.224 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.224 INFO [stderr] 
Nov 30 04:00:59.323 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Nov 30 04:00:59.323 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:00:59.323 INFO [stderr]   |
Nov 30 04:00:59.323 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Nov 30 04:00:59.323 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.323 INFO [stderr]   |
Nov 30 04:00:59.323 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 04:00:59.323 INFO [stderr] 
Nov 30 04:00:59.323 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 04:00:59.323 INFO [stderr]   --> src/lib.rs:14:5
Nov 30 04:00:59.323 INFO [stderr]    |
Nov 30 04:00:59.323 INFO [stderr] 14 | use std::collections::HashMap;
Nov 30 04:00:59.323 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.323 INFO [stderr] 
Nov 30 04:00:59.323 INFO [stderr] warning: unused import: `multimap::MultiMap`
Nov 30 04:00:59.323 INFO [stderr]   --> src/lib.rs:18:5
Nov 30 04:00:59.323 INFO [stderr]    |
Nov 30 04:00:59.323 INFO [stderr] 18 | use multimap::MultiMap;
Nov 30 04:00:59.323 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.323 INFO [stderr] 
Nov 30 04:00:59.324 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 30 04:00:59.324 INFO [stderr]  --> src/hash.rs:5:5
Nov 30 04:00:59.324 INFO [stderr]   |
Nov 30 04:00:59.324 INFO [stderr] 5 | use std::collections::HashSet;
Nov 30 04:00:59.324 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:00:59.324 INFO [stderr] 
Nov 30 04:00:59.532 INFO [stderr] warning: unused variable: `peaks_len`
Nov 30 04:00:59.532 INFO [stderr]    --> src/hash.rs:116:9
Nov 30 04:00:59.532 INFO [stderr]     |
Nov 30 04:00:59.532 INFO [stderr] 116 |     let peaks_len = peaks.len();
Nov 30 04:00:59.532 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Nov 30 04:00:59.532 INFO [stderr]     |
Nov 30 04:00:59.532 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 04:00:59.532 INFO [stderr] 
Nov 30 04:00:59.532 INFO [stderr] warning: unused variable: `peak`
Nov 30 04:00:59.532 INFO [stderr]    --> src/hash.rs:126:13
Nov 30 04:00:59.532 INFO [stderr]     |
Nov 30 04:00:59.532 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Nov 30 04:00:59.532 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Nov 30 04:00:59.532 INFO [stderr] 
Nov 30 04:00:59.532 INFO [stderr] warning: unused variable: `y`
Nov 30 04:00:59.532 INFO [stderr]    --> src/hash.rs:162:9
Nov 30 04:00:59.532 INFO [stderr]     |
Nov 30 04:00:59.532 INFO [stderr] 162 |     let y = rand::random::<f64>();
Nov 30 04:00:59.532 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 30 04:00:59.532 INFO [stderr] 
Nov 30 04:00:59.532 INFO [stderr] warning: unused variable: `path`
Nov 30 04:00:59.532 INFO [stderr]   --> src/lib.rs:53:39
Nov 30 04:00:59.532 INFO [stderr]    |
Nov 30 04:00:59.532 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Nov 30 04:00:59.532 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Nov 30 04:00:59.532 INFO [stderr] 
Nov 30 04:00:59.554 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.554 INFO [stderr]   --> src/spectrogram.rs:62:13
Nov 30 04:00:59.554 INFO [stderr]    |
Nov 30 04:00:59.554 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.554 INFO [stderr]    |             ----^^
Nov 30 04:00:59.554 INFO [stderr]    |             |
Nov 30 04:00:59.554 INFO [stderr]    |             help: remove this `mut`
Nov 30 04:00:59.554 INFO [stderr]    |
Nov 30 04:00:59.554 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 04:00:59.554 INFO [stderr] 
Nov 30 04:00:59.561 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.561 INFO [stderr]    --> src/spectrogram.rs:109:9
Nov 30 04:00:59.561 INFO [stderr]     |
Nov 30 04:00:59.561 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Nov 30 04:00:59.561 INFO [stderr]     |         ----^^^^^^^^
Nov 30 04:00:59.561 INFO [stderr]     |         |
Nov 30 04:00:59.561 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.561 INFO [stderr] 
Nov 30 04:00:59.584 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.584 INFO [stderr]    --> src/spectrogram.rs:183:9
Nov 30 04:00:59.584 INFO [stderr]     |
Nov 30 04:00:59.584 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Nov 30 04:00:59.584 INFO [stderr]     |         ----^^^
Nov 30 04:00:59.584 INFO [stderr]     |         |
Nov 30 04:00:59.584 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.584 INFO [stderr] 
Nov 30 04:00:59.584 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.584 INFO [stderr]    --> src/spectrogram.rs:184:9
Nov 30 04:00:59.584 INFO [stderr]     |
Nov 30 04:00:59.584 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Nov 30 04:00:59.584 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.584 INFO [stderr]     |         |
Nov 30 04:00:59.584 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.584 INFO [stderr] 
Nov 30 04:00:59.597 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.597 INFO [stderr]   --> src/hash.rs:61:9
Nov 30 04:00:59.597 INFO [stderr]    |
Nov 30 04:00:59.597 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.597 INFO [stderr]    |         ----^^
Nov 30 04:00:59.597 INFO [stderr]    |         |
Nov 30 04:00:59.597 INFO [stderr]    |         help: remove this `mut`
Nov 30 04:00:59.597 INFO [stderr] 
Nov 30 04:00:59.603 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.603 INFO [stderr]    --> src/hash.rs:113:9
Nov 30 04:00:59.603 INFO [stderr]     |
Nov 30 04:00:59.603 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Nov 30 04:00:59.603 INFO [stderr]     |         ----^^
Nov 30 04:00:59.603 INFO [stderr]     |         |
Nov 30 04:00:59.603 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.603 INFO [stderr] 
Nov 30 04:00:59.603 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:00:59.603 INFO [stderr]    --> src/hash.rs:119:9
Nov 30 04:00:59.603 INFO [stderr]     |
Nov 30 04:00:59.603 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Nov 30 04:00:59.603 INFO [stderr]     |         ----^^^^^^
Nov 30 04:00:59.603 INFO [stderr]     |         |
Nov 30 04:00:59.603 INFO [stderr]     |         help: remove this `mut`
Nov 30 04:00:59.603 INFO [stderr] 
Nov 30 04:00:59.609 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 04:00:59.609 INFO [stderr]   --> src/lib.rs:69:5
Nov 30 04:00:59.609 INFO [stderr]    |
Nov 30 04:00:59.609 INFO [stderr] 69 |     unsafe { transformed[0] }
Nov 30 04:00:59.609 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Nov 30 04:00:59.609 INFO [stderr]    |
Nov 30 04:00:59.609 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 04:00:59.609 INFO [stderr] 
Nov 30 04:00:59.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
Nov 30 04:00:59.732 INFO [stderr] su: No module specific data is present
Nov 30 04:01:00.384 INFO running `"docker" "inspect" "dfbf229c29e55d0b3050caed7f0b08036c347f7d28226ddf1fdd63eeb519c7be"`
Nov 30 04:01:00.664 INFO running `"docker" "rm" "-f" "dfbf229c29e55d0b3050caed7f0b08036c347f7d28226ddf1fdd63eeb519c7be"`
Nov 30 04:01:00.928 INFO [stdout] dfbf229c29e55d0b3050caed7f0b08036c347f7d28226ddf1fdd63eeb519c7be