Dec 04 19:41:17.197 INFO checking donniemattingly/fingerprint against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:41:17.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 19:41:17.788 INFO [stdout] 4b2fe3a9b9aabe8e96e64f7be5cc4d179ef22f198db53bc44a85b0af9b1c088f
Dec 04 19:41:17.790 INFO running `"docker" "start" "-a" "4b2fe3a9b9aabe8e96e64f7be5cc4d179ef22f198db53bc44a85b0af9b1c088f"`
Dec 04 19:41:19.667 INFO [stderr] usermod: no changes
Dec 04 19:41:19.982 INFO [stderr]     Checking hound v3.3.1
Dec 04 19:41:19.989 INFO [stderr]     Checking goertzel v0.2.0
Dec 04 19:41:19.989 INFO [stderr]     Checking sha1 v0.6.0
Dec 04 19:41:19.990 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 04 19:41:20.015 INFO [stderr]     Checking serde_json v1.0.10
Dec 04 19:41:20.015 INFO [stderr]     Checking log v0.4.1
Dec 04 19:41:20.015 INFO [stderr]     Checking multimap v0.4.0
Dec 04 19:41:20.015 INFO [stderr]     Checking threadpool v1.7.1
Dec 04 19:41:22.099 INFO [stderr]     Checking num-bigint v0.1.43
Dec 04 19:41:22.820 INFO [stderr]     Checking alga v0.5.3
Dec 04 19:41:22.848 INFO [stderr]     Checking rustfft v2.0.0
Dec 04 19:41:22.899 INFO [stderr]     Checking ordered-float v0.5.0
Dec 04 19:41:23.076 INFO [stderr]     Checking serde_yaml v0.7.3
Dec 04 19:41:23.239 INFO [stderr]     Checking png v0.11.0
Dec 04 19:41:25.839 INFO [stderr]     Checking rayon-core v1.4.0
Dec 04 19:41:26.243 INFO [stderr]     Checking serde-value v0.5.1
Dec 04 19:41:30.756 INFO [stderr]     Checking flate2 v1.0.1
Dec 04 19:41:32.047 INFO [stderr]     Checking rayon v1.0.0
Dec 04 19:41:32.431 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 19:41:35.172 INFO [stderr]     Checking num v0.1.42
Dec 04 19:41:35.870 INFO [stderr]     Checking nalgebra v0.13.1
Dec 04 19:41:36.111 INFO [stderr]     Checking chrono v0.4.0
Dec 04 19:41:36.113 INFO [stderr]     Checking nalgebra v0.5.1
Dec 04 19:41:36.119 INFO [stderr]     Checking stopwatch v0.0.7
Dec 04 19:41:36.119 INFO [stderr]     Checking streaming-stats v0.1.28
Dec 04 19:41:41.677 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 04 19:41:42.966 INFO [stderr]     Checking log4rs v0.8.0
Dec 04 19:41:45.123 INFO [stderr]     Checking image v0.18.0
Dec 04 19:41:52.391 INFO [stderr]     Checking apodize v0.2.0
Dec 04 19:42:12.742 INFO [stderr]     Checking fingerprint v0.1.0 (/source)
Dec 04 19:42:20.133 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Dec 04 19:42:20.133 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:42:20.133 INFO [stderr]   |
Dec 04 19:42:20.133 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Dec 04 19:42:20.134 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.134 INFO [stderr]   |
Dec 04 19:42:20.134 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:42:20.134 INFO [stderr] 
Dec 04 19:42:20.135 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 19:42:20.135 INFO [stderr]   --> src/lib.rs:14:5
Dec 04 19:42:20.135 INFO [stderr]    |
Dec 04 19:42:20.136 INFO [stderr] 14 | use std::collections::HashMap;
Dec 04 19:42:20.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.136 INFO [stderr] 
Dec 04 19:42:20.136 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 04 19:42:20.137 INFO [stderr]   --> src/lib.rs:18:5
Dec 04 19:42:20.137 INFO [stderr]    |
Dec 04 19:42:20.137 INFO [stderr] 18 | use multimap::MultiMap;
Dec 04 19:42:20.137 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.138 INFO [stderr] 
Dec 04 19:42:20.140 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 04 19:42:20.140 INFO [stderr]    --> src/spectrogram.rs:234:5
Dec 04 19:42:20.140 INFO [stderr]     |
Dec 04 19:42:20.140 INFO [stderr] 234 | use std::path::PathBuf;
Dec 04 19:42:20.141 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.141 INFO [stderr] 
Dec 04 19:42:20.141 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 04 19:42:20.141 INFO [stderr]  --> src/hash.rs:5:5
Dec 04 19:42:20.142 INFO [stderr]   |
Dec 04 19:42:20.142 INFO [stderr] 5 | use std::collections::HashSet;
Dec 04 19:42:20.142 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.142 INFO [stderr] 
Dec 04 19:42:20.143 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 04 19:42:20.143 INFO [stderr]    --> src/hash.rs:197:5
Dec 04 19:42:20.144 INFO [stderr]     |
Dec 04 19:42:20.144 INFO [stderr] 197 | use std::path::PathBuf;
Dec 04 19:42:20.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.144 INFO [stderr] 
Dec 04 19:42:20.443 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 19:42:20.443 INFO [stderr]   --> src/main.rs:14:5
Dec 04 19:42:20.443 INFO [stderr]    |
Dec 04 19:42:20.443 INFO [stderr] 14 | use std::collections::HashMap;
Dec 04 19:42:20.444 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.444 INFO [stderr]    |
Dec 04 19:42:20.444 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 19:42:20.444 INFO [stderr] 
Dec 04 19:42:20.444 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 04 19:42:20.444 INFO [stderr]    --> src/spectrogram.rs:234:5
Dec 04 19:42:20.444 INFO [stderr]     |
Dec 04 19:42:20.444 INFO [stderr] 234 | use std::path::PathBuf;
Dec 04 19:42:20.444 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.444 INFO [stderr] 
Dec 04 19:42:20.444 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 04 19:42:20.444 INFO [stderr]  --> src/hash.rs:5:5
Dec 04 19:42:20.444 INFO [stderr]   |
Dec 04 19:42:20.444 INFO [stderr] 5 | use std::collections::HashSet;
Dec 04 19:42:20.444 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.444 INFO [stderr] 
Dec 04 19:42:20.444 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 04 19:42:20.444 INFO [stderr]    --> src/hash.rs:197:5
Dec 04 19:42:20.445 INFO [stderr]     |
Dec 04 19:42:20.445 INFO [stderr] 197 | use std::path::PathBuf;
Dec 04 19:42:20.445 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.445 INFO [stderr] 
Dec 04 19:42:20.445 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 19:42:20.445 INFO [stderr]   --> src/main.rs:81:12
Dec 04 19:42:20.445 INFO [stderr]    |
Dec 04 19:42:20.445 INFO [stderr] 81 |         if (diff != cur) {
Dec 04 19:42:20.445 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:42:20.445 INFO [stderr]    |
Dec 04 19:42:20.445 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:42:20.445 INFO [stderr] 
Dec 04 19:42:20.445 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 19:42:20.445 INFO [stderr]   --> src/main.rs:82:16
Dec 04 19:42:20.445 INFO [stderr]    |
Dec 04 19:42:20.445 INFO [stderr] 82 |             if (cur_count > 10) {
Dec 04 19:42:20.445 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:42:20.445 INFO [stderr] 
Dec 04 19:42:20.579 INFO [stderr] warning: unused variable: `peaks_len`
Dec 04 19:42:20.579 INFO [stderr]    --> src/hash.rs:116:9
Dec 04 19:42:20.579 INFO [stderr]     |
Dec 04 19:42:20.579 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 04 19:42:20.579 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 04 19:42:20.579 INFO [stderr]     |
Dec 04 19:42:20.579 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 19:42:20.579 INFO [stderr] 
Dec 04 19:42:20.579 INFO [stderr] warning: unused variable: `peak`
Dec 04 19:42:20.580 INFO [stderr]    --> src/hash.rs:126:13
Dec 04 19:42:20.580 INFO [stderr]     |
Dec 04 19:42:20.580 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 04 19:42:20.580 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 04 19:42:20.580 INFO [stderr] 
Dec 04 19:42:20.580 INFO [stderr] warning: unused variable: `y`
Dec 04 19:42:20.580 INFO [stderr]    --> src/hash.rs:162:9
Dec 04 19:42:20.580 INFO [stderr]     |
Dec 04 19:42:20.580 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 04 19:42:20.580 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 04 19:42:20.580 INFO [stderr] 
Dec 04 19:42:20.586 INFO [stderr] warning: unused variable: `path`
Dec 04 19:42:20.587 INFO [stderr]   --> src/lib.rs:53:39
Dec 04 19:42:20.587 INFO [stderr]    |
Dec 04 19:42:20.587 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Dec 04 19:42:20.587 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Dec 04 19:42:20.587 INFO [stderr] 
Dec 04 19:42:20.635 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.635 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 04 19:42:20.635 INFO [stderr]    |
Dec 04 19:42:20.635 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 04 19:42:20.635 INFO [stderr]    |             ----^^
Dec 04 19:42:20.635 INFO [stderr]    |             |
Dec 04 19:42:20.635 INFO [stderr]    |             help: remove this `mut`
Dec 04 19:42:20.635 INFO [stderr]    |
Dec 04 19:42:20.635 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:42:20.635 INFO [stderr] 
Dec 04 19:42:20.643 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.643 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 04 19:42:20.643 INFO [stderr]     |
Dec 04 19:42:20.643 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 04 19:42:20.643 INFO [stderr]     |         ----^^^^^^^^
Dec 04 19:42:20.643 INFO [stderr]     |         |
Dec 04 19:42:20.643 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:20.643 INFO [stderr] 
Dec 04 19:42:20.663 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.663 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 04 19:42:20.663 INFO [stderr]     |
Dec 04 19:42:20.663 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 04 19:42:20.663 INFO [stderr]     |         ----^^^
Dec 04 19:42:20.663 INFO [stderr]     |         |
Dec 04 19:42:20.663 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:20.663 INFO [stderr] 
Dec 04 19:42:20.663 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.663 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 04 19:42:20.663 INFO [stderr]     |
Dec 04 19:42:20.663 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 04 19:42:20.663 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:20.663 INFO [stderr]     |         |
Dec 04 19:42:20.663 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:20.663 INFO [stderr] 
Dec 04 19:42:20.678 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.678 INFO [stderr]   --> src/hash.rs:61:9
Dec 04 19:42:20.678 INFO [stderr]    |
Dec 04 19:42:20.678 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:20.678 INFO [stderr]    |         ----^^
Dec 04 19:42:20.678 INFO [stderr]    |         |
Dec 04 19:42:20.678 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:20.678 INFO [stderr] 
Dec 04 19:42:20.679 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.679 INFO [stderr]    --> src/hash.rs:113:9
Dec 04 19:42:20.679 INFO [stderr]     |
Dec 04 19:42:20.679 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:20.679 INFO [stderr]     |         ----^^
Dec 04 19:42:20.679 INFO [stderr]     |         |
Dec 04 19:42:20.679 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:20.679 INFO [stderr] 
Dec 04 19:42:20.679 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.679 INFO [stderr]    --> src/hash.rs:119:9
Dec 04 19:42:20.679 INFO [stderr]     |
Dec 04 19:42:20.679 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 04 19:42:20.679 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:20.679 INFO [stderr]     |         |
Dec 04 19:42:20.679 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:20.679 INFO [stderr] 
Dec 04 19:42:20.691 INFO [stderr] warning: unnecessary `unsafe` block
Dec 04 19:42:20.691 INFO [stderr]   --> src/lib.rs:69:5
Dec 04 19:42:20.691 INFO [stderr]    |
Dec 04 19:42:20.691 INFO [stderr] 69 |     unsafe { transformed[0] }
Dec 04 19:42:20.691 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Dec 04 19:42:20.691 INFO [stderr]    |
Dec 04 19:42:20.691 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 04 19:42:20.691 INFO [stderr] 
Dec 04 19:42:20.851 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 19:42:20.851 INFO [stderr]   --> src/main.rs:14:5
Dec 04 19:42:20.851 INFO [stderr]    |
Dec 04 19:42:20.851 INFO [stderr] 14 | use std::collections::HashMap;
Dec 04 19:42:20.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.851 INFO [stderr]    |
Dec 04 19:42:20.851 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 19:42:20.851 INFO [stderr] 
Dec 04 19:42:20.851 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 04 19:42:20.851 INFO [stderr]  --> src/hash.rs:5:5
Dec 04 19:42:20.851 INFO [stderr]   |
Dec 04 19:42:20.851 INFO [stderr] 5 | use std::collections::HashSet;
Dec 04 19:42:20.851 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:20.851 INFO [stderr] 
Dec 04 19:42:20.851 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 19:42:20.851 INFO [stderr]   --> src/main.rs:81:12
Dec 04 19:42:20.851 INFO [stderr]    |
Dec 04 19:42:20.851 INFO [stderr] 81 |         if (diff != cur) {
Dec 04 19:42:20.851 INFO [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:42:20.851 INFO [stderr]    |
Dec 04 19:42:20.851 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:42:20.851 INFO [stderr] 
Dec 04 19:42:20.851 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 19:42:20.851 INFO [stderr]   --> src/main.rs:82:16
Dec 04 19:42:20.851 INFO [stderr]    |
Dec 04 19:42:20.851 INFO [stderr] 82 |             if (cur_count > 10) {
Dec 04 19:42:20.851 INFO [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:42:20.851 INFO [stderr] 
Dec 04 19:42:20.907 INFO [stderr] warning: unused variable: `peaks_len`
Dec 04 19:42:20.907 INFO [stderr]    --> src/hash.rs:116:9
Dec 04 19:42:20.907 INFO [stderr]     |
Dec 04 19:42:20.907 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 04 19:42:20.907 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 04 19:42:20.907 INFO [stderr]     |
Dec 04 19:42:20.907 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 19:42:20.907 INFO [stderr] 
Dec 04 19:42:20.907 INFO [stderr] warning: unused variable: `peak`
Dec 04 19:42:20.907 INFO [stderr]    --> src/hash.rs:126:13
Dec 04 19:42:20.907 INFO [stderr]     |
Dec 04 19:42:20.907 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 04 19:42:20.907 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 04 19:42:20.907 INFO [stderr] 
Dec 04 19:42:20.907 INFO [stderr] warning: unused variable: `y`
Dec 04 19:42:20.907 INFO [stderr]    --> src/hash.rs:162:9
Dec 04 19:42:20.907 INFO [stderr]     |
Dec 04 19:42:20.907 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 04 19:42:20.907 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 04 19:42:20.907 INFO [stderr] 
Dec 04 19:42:20.907 INFO [stderr] warning: unused variable: `offsets2`
Dec 04 19:42:20.907 INFO [stderr]   --> src/main.rs:65:13
Dec 04 19:42:20.907 INFO [stderr]    |
Dec 04 19:42:20.907 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 04 19:42:20.907 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Dec 04 19:42:20.907 INFO [stderr] 
Dec 04 19:42:20.913 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.913 INFO [stderr]   --> src/main.rs:25:9
Dec 04 19:42:20.913 INFO [stderr]    |
Dec 04 19:42:20.913 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:20.913 INFO [stderr]    |         ----^^
Dec 04 19:42:20.913 INFO [stderr]    |         |
Dec 04 19:42:20.913 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:20.913 INFO [stderr]    |
Dec 04 19:42:20.913 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:42:20.913 INFO [stderr] 
Dec 04 19:42:20.955 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.955 INFO [stderr]   --> src/main.rs:44:9
Dec 04 19:42:20.955 INFO [stderr]    |
Dec 04 19:42:20.955 INFO [stderr] 44 |     let mut dups = 0;
Dec 04 19:42:20.955 INFO [stderr]    |         ----^^^^
Dec 04 19:42:20.955 INFO [stderr]    |         |
Dec 04 19:42:20.955 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:20.955 INFO [stderr] 
Dec 04 19:42:20.955 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.955 INFO [stderr]   --> src/main.rs:65:9
Dec 04 19:42:20.955 INFO [stderr]    |
Dec 04 19:42:20.955 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 04 19:42:20.955 INFO [stderr]    |         ----^^^^^^^^
Dec 04 19:42:20.955 INFO [stderr]    |         |
Dec 04 19:42:20.955 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:20.955 INFO [stderr] 
Dec 04 19:42:20.991 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:20.991 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 04 19:42:20.991 INFO [stderr]    |
Dec 04 19:42:20.991 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 04 19:42:20.991 INFO [stderr]    |             ----^^
Dec 04 19:42:20.991 INFO [stderr]    |             |
Dec 04 19:42:20.991 INFO [stderr]    |             help: remove this `mut`
Dec 04 19:42:20.991 INFO [stderr] 
Dec 04 19:42:21.011 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.011 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 04 19:42:21.011 INFO [stderr]     |
Dec 04 19:42:21.011 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 04 19:42:21.011 INFO [stderr]     |         ----^^^^^^^^
Dec 04 19:42:21.011 INFO [stderr]     |         |
Dec 04 19:42:21.011 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.011 INFO [stderr] 
Dec 04 19:42:21.039 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.039 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 04 19:42:21.039 INFO [stderr]     |
Dec 04 19:42:21.039 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 04 19:42:21.039 INFO [stderr]     |         ----^^^
Dec 04 19:42:21.039 INFO [stderr]     |         |
Dec 04 19:42:21.039 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.039 INFO [stderr] 
Dec 04 19:42:21.039 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.039 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 04 19:42:21.039 INFO [stderr]     |
Dec 04 19:42:21.039 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 04 19:42:21.039 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:21.039 INFO [stderr]     |         |
Dec 04 19:42:21.039 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.039 INFO [stderr] 
Dec 04 19:42:21.049 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.049 INFO [stderr]   --> src/hash.rs:61:9
Dec 04 19:42:21.049 INFO [stderr]    |
Dec 04 19:42:21.049 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.049 INFO [stderr]    |         ----^^
Dec 04 19:42:21.049 INFO [stderr]    |         |
Dec 04 19:42:21.049 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:21.049 INFO [stderr] 
Dec 04 19:42:21.059 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.059 INFO [stderr]    --> src/hash.rs:113:9
Dec 04 19:42:21.059 INFO [stderr]     |
Dec 04 19:42:21.059 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.059 INFO [stderr]     |         ----^^
Dec 04 19:42:21.059 INFO [stderr]     |         |
Dec 04 19:42:21.059 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.059 INFO [stderr] 
Dec 04 19:42:21.059 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.059 INFO [stderr]    --> src/hash.rs:119:9
Dec 04 19:42:21.059 INFO [stderr]     |
Dec 04 19:42:21.059 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 04 19:42:21.059 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:21.059 INFO [stderr]     |         |
Dec 04 19:42:21.059 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.059 INFO [stderr] 
Dec 04 19:42:21.063 INFO [stderr] warning: function is never used: `gen_spectrogram`
Dec 04 19:42:21.063 INFO [stderr]   --> src/main.rs:33:1
Dec 04 19:42:21.063 INFO [stderr]    |
Dec 04 19:42:21.063 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Dec 04 19:42:21.063 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.063 INFO [stderr]    |
Dec 04 19:42:21.063 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:42:21.063 INFO [stderr] 
Dec 04 19:42:21.063 INFO [stderr] warning: function is never used: `test_fingerprinting`
Dec 04 19:42:21.063 INFO [stderr]   --> src/main.rs:39:1
Dec 04 19:42:21.063 INFO [stderr]    |
Dec 04 19:42:21.063 INFO [stderr] 39 | fn test_fingerprinting() {
Dec 04 19:42:21.063 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.063 INFO [stderr] 
Dec 04 19:42:21.075 INFO [stderr] warning: unused variable: `peaks_len`
Dec 04 19:42:21.075 INFO [stderr]    --> src/hash.rs:116:9
Dec 04 19:42:21.075 INFO [stderr]     |
Dec 04 19:42:21.075 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 04 19:42:21.075 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 04 19:42:21.075 INFO [stderr]     |
Dec 04 19:42:21.075 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 19:42:21.075 INFO [stderr] 
Dec 04 19:42:21.075 INFO [stderr] warning: unused variable: `peak`
Dec 04 19:42:21.075 INFO [stderr]    --> src/hash.rs:126:13
Dec 04 19:42:21.075 INFO [stderr]     |
Dec 04 19:42:21.075 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 04 19:42:21.075 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 04 19:42:21.075 INFO [stderr] 
Dec 04 19:42:21.075 INFO [stderr] warning: unused variable: `y`
Dec 04 19:42:21.075 INFO [stderr]    --> src/hash.rs:162:9
Dec 04 19:42:21.075 INFO [stderr]     |
Dec 04 19:42:21.075 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 04 19:42:21.075 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 04 19:42:21.075 INFO [stderr] 
Dec 04 19:42:21.075 INFO [stderr] warning: unused variable: `offsets2`
Dec 04 19:42:21.075 INFO [stderr]   --> src/main.rs:65:13
Dec 04 19:42:21.075 INFO [stderr]    |
Dec 04 19:42:21.075 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 04 19:42:21.075 INFO [stderr]    |             ^^^^^^^^ help: consider using `_offsets2` instead
Dec 04 19:42:21.075 INFO [stderr] 
Dec 04 19:42:21.079 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.079 INFO [stderr]   --> src/main.rs:25:9
Dec 04 19:42:21.079 INFO [stderr]    |
Dec 04 19:42:21.079 INFO [stderr] 25 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.079 INFO [stderr]    |         ----^^
Dec 04 19:42:21.079 INFO [stderr]    |         |
Dec 04 19:42:21.079 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:21.079 INFO [stderr]    |
Dec 04 19:42:21.079 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:42:21.079 INFO [stderr] 
Dec 04 19:42:21.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.091 INFO [stderr]   --> src/main.rs:44:9
Dec 04 19:42:21.091 INFO [stderr]    |
Dec 04 19:42:21.091 INFO [stderr] 44 |     let mut dups = 0;
Dec 04 19:42:21.091 INFO [stderr]    |         ----^^^^
Dec 04 19:42:21.091 INFO [stderr]    |         |
Dec 04 19:42:21.091 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:21.091 INFO [stderr] 
Dec 04 19:42:21.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.091 INFO [stderr]   --> src/main.rs:65:9
Dec 04 19:42:21.091 INFO [stderr]    |
Dec 04 19:42:21.091 INFO [stderr] 65 |     let mut offsets2: Vec<(f32, f32, String)> = Vec::new();
Dec 04 19:42:21.091 INFO [stderr]    |         ----^^^^^^^^
Dec 04 19:42:21.091 INFO [stderr]    |         |
Dec 04 19:42:21.091 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:21.091 INFO [stderr] 
Dec 04 19:42:21.115 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.115 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 04 19:42:21.115 INFO [stderr]    |
Dec 04 19:42:21.115 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.115 INFO [stderr]    |             ----^^
Dec 04 19:42:21.115 INFO [stderr]    |             |
Dec 04 19:42:21.115 INFO [stderr]    |             help: remove this `mut`
Dec 04 19:42:21.115 INFO [stderr] 
Dec 04 19:42:21.115 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.115 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 04 19:42:21.115 INFO [stderr]     |
Dec 04 19:42:21.115 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 04 19:42:21.115 INFO [stderr]     |         ----^^^^^^^^
Dec 04 19:42:21.115 INFO [stderr]     |         |
Dec 04 19:42:21.115 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.115 INFO [stderr] 
Dec 04 19:42:21.131 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.131 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 04 19:42:21.131 INFO [stderr]     |
Dec 04 19:42:21.131 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 04 19:42:21.131 INFO [stderr]     |         ----^^^
Dec 04 19:42:21.131 INFO [stderr]     |         |
Dec 04 19:42:21.131 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.131 INFO [stderr] 
Dec 04 19:42:21.131 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.131 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 04 19:42:21.131 INFO [stderr]     |
Dec 04 19:42:21.131 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 04 19:42:21.131 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:21.131 INFO [stderr]     |         |
Dec 04 19:42:21.131 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.131 INFO [stderr] 
Dec 04 19:42:21.147 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.147 INFO [stderr]   --> src/hash.rs:61:9
Dec 04 19:42:21.147 INFO [stderr]    |
Dec 04 19:42:21.147 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.147 INFO [stderr]    |         ----^^
Dec 04 19:42:21.147 INFO [stderr]    |         |
Dec 04 19:42:21.147 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:21.147 INFO [stderr] 
Dec 04 19:42:21.147 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.147 INFO [stderr]    --> src/hash.rs:113:9
Dec 04 19:42:21.147 INFO [stderr]     |
Dec 04 19:42:21.147 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:21.147 INFO [stderr]     |         ----^^
Dec 04 19:42:21.147 INFO [stderr]     |         |
Dec 04 19:42:21.147 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.147 INFO [stderr] 
Dec 04 19:42:21.147 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:21.147 INFO [stderr]    --> src/hash.rs:119:9
Dec 04 19:42:21.147 INFO [stderr]     |
Dec 04 19:42:21.147 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 04 19:42:21.147 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:21.147 INFO [stderr]     |         |
Dec 04 19:42:21.147 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:21.147 INFO [stderr] 
Dec 04 19:42:21.155 INFO [stderr] warning: function is never used: `gen_spectrogram`
Dec 04 19:42:21.155 INFO [stderr]   --> src/main.rs:33:1
Dec 04 19:42:21.155 INFO [stderr]    |
Dec 04 19:42:21.155 INFO [stderr] 33 | fn gen_spectrogram<P: AsRef<std::path::Path>>(wav: P, image: P) {
Dec 04 19:42:21.155 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.155 INFO [stderr]    |
Dec 04 19:42:21.155 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:42:21.155 INFO [stderr] 
Dec 04 19:42:21.155 INFO [stderr] warning: function is never used: `test_fingerprinting`
Dec 04 19:42:21.155 INFO [stderr]   --> src/main.rs:39:1
Dec 04 19:42:21.155 INFO [stderr]    |
Dec 04 19:42:21.155 INFO [stderr] 39 | fn test_fingerprinting() {
Dec 04 19:42:21.155 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.155 INFO [stderr] 
Dec 04 19:42:21.848 INFO [stderr] warning: unused import: `self::stopwatch::Stopwatch`
Dec 04 19:42:21.849 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:42:21.849 INFO [stderr]   |
Dec 04 19:42:21.849 INFO [stderr] 8 | use self::stopwatch::Stopwatch;
Dec 04 19:42:21.849 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.849 INFO [stderr]   |
Dec 04 19:42:21.849 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:42:21.849 INFO [stderr] 
Dec 04 19:42:21.849 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 19:42:21.849 INFO [stderr]   --> src/lib.rs:14:5
Dec 04 19:42:21.849 INFO [stderr]    |
Dec 04 19:42:21.849 INFO [stderr] 14 | use std::collections::HashMap;
Dec 04 19:42:21.849 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.849 INFO [stderr] 
Dec 04 19:42:21.849 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 04 19:42:21.849 INFO [stderr]   --> src/lib.rs:18:5
Dec 04 19:42:21.849 INFO [stderr]    |
Dec 04 19:42:21.849 INFO [stderr] 18 | use multimap::MultiMap;
Dec 04 19:42:21.849 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.849 INFO [stderr] 
Dec 04 19:42:21.849 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 04 19:42:21.849 INFO [stderr]  --> src/hash.rs:5:5
Dec 04 19:42:21.849 INFO [stderr]   |
Dec 04 19:42:21.849 INFO [stderr] 5 | use std::collections::HashSet;
Dec 04 19:42:21.849 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:42:21.849 INFO [stderr] 
Dec 04 19:42:22.051 INFO [stderr] warning: unused variable: `peaks_len`
Dec 04 19:42:22.051 INFO [stderr]    --> src/hash.rs:116:9
Dec 04 19:42:22.051 INFO [stderr]     |
Dec 04 19:42:22.051 INFO [stderr] 116 |     let peaks_len = peaks.len();
Dec 04 19:42:22.051 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_peaks_len` instead
Dec 04 19:42:22.051 INFO [stderr]     |
Dec 04 19:42:22.051 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 19:42:22.051 INFO [stderr] 
Dec 04 19:42:22.051 INFO [stderr] warning: unused variable: `peak`
Dec 04 19:42:22.051 INFO [stderr]    --> src/hash.rs:126:13
Dec 04 19:42:22.051 INFO [stderr]     |
Dec 04 19:42:22.051 INFO [stderr] 126 |     for (i, peak) in peaks.iter().enumerate() {
Dec 04 19:42:22.051 INFO [stderr]     |             ^^^^ help: consider using `_peak` instead
Dec 04 19:42:22.051 INFO [stderr] 
Dec 04 19:42:22.051 INFO [stderr] warning: unused variable: `y`
Dec 04 19:42:22.051 INFO [stderr]    --> src/hash.rs:162:9
Dec 04 19:42:22.051 INFO [stderr]     |
Dec 04 19:42:22.051 INFO [stderr] 162 |     let y = rand::random::<f64>();
Dec 04 19:42:22.051 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 04 19:42:22.051 INFO [stderr] 
Dec 04 19:42:22.051 INFO [stderr] warning: unused variable: `path`
Dec 04 19:42:22.051 INFO [stderr]   --> src/lib.rs:53:39
Dec 04 19:42:22.051 INFO [stderr]    |
Dec 04 19:42:22.051 INFO [stderr] 53 | pub extern "C" fn rust_compute_hashes(path: *const c_char) -> int32_t {
Dec 04 19:42:22.051 INFO [stderr]    |                                       ^^^^ help: consider using `_path` instead
Dec 04 19:42:22.051 INFO [stderr] 
Dec 04 19:42:22.063 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.063 INFO [stderr]   --> src/spectrogram.rs:62:13
Dec 04 19:42:22.063 INFO [stderr]    |
Dec 04 19:42:22.063 INFO [stderr] 62 |         let mut sw = Stopwatch::start_new();
Dec 04 19:42:22.063 INFO [stderr]    |             ----^^
Dec 04 19:42:22.063 INFO [stderr]    |             |
Dec 04 19:42:22.063 INFO [stderr]    |             help: remove this `mut`
Dec 04 19:42:22.063 INFO [stderr]    |
Dec 04 19:42:22.063 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:42:22.063 INFO [stderr] 
Dec 04 19:42:22.069 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.069 INFO [stderr]    --> src/spectrogram.rs:109:9
Dec 04 19:42:22.069 INFO [stderr]     |
Dec 04 19:42:22.069 INFO [stderr] 109 |     let mut new_spec = spectrum.split_off(half_index);
Dec 04 19:42:22.069 INFO [stderr]     |         ----^^^^^^^^
Dec 04 19:42:22.069 INFO [stderr]     |         |
Dec 04 19:42:22.069 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:22.071 INFO [stderr] 
Dec 04 19:42:22.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.091 INFO [stderr]    --> src/spectrogram.rs:183:9
Dec 04 19:42:22.091 INFO [stderr]     |
Dec 04 19:42:22.091 INFO [stderr] 183 |     let mut raw: Vec<Vec<f32>> = vec![Vec::new(); num_chunks - 1 as usize];
Dec 04 19:42:22.091 INFO [stderr]     |         ----^^^
Dec 04 19:42:22.091 INFO [stderr]     |         |
Dec 04 19:42:22.091 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:22.091 INFO [stderr] 
Dec 04 19:42:22.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.091 INFO [stderr]    --> src/spectrogram.rs:184:9
Dec 04 19:42:22.091 INFO [stderr]     |
Dec 04 19:42:22.091 INFO [stderr] 184 |     let mut output: Mutex<Vec<Vec<f32>>> = Mutex::new(raw);
Dec 04 19:42:22.091 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:22.091 INFO [stderr]     |         |
Dec 04 19:42:22.091 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:22.091 INFO [stderr] 
Dec 04 19:42:22.115 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.115 INFO [stderr]   --> src/hash.rs:61:9
Dec 04 19:42:22.115 INFO [stderr]    |
Dec 04 19:42:22.115 INFO [stderr] 61 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:22.115 INFO [stderr]    |         ----^^
Dec 04 19:42:22.115 INFO [stderr]    |         |
Dec 04 19:42:22.115 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:42:22.115 INFO [stderr] 
Dec 04 19:42:22.119 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.119 INFO [stderr]    --> src/hash.rs:113:9
Dec 04 19:42:22.119 INFO [stderr]     |
Dec 04 19:42:22.119 INFO [stderr] 113 |     let mut sw = Stopwatch::start_new();
Dec 04 19:42:22.119 INFO [stderr]     |         ----^^
Dec 04 19:42:22.119 INFO [stderr]     |         |
Dec 04 19:42:22.119 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:22.119 INFO [stderr] 
Dec 04 19:42:22.119 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:42:22.119 INFO [stderr]    --> src/hash.rs:119:9
Dec 04 19:42:22.119 INFO [stderr]     |
Dec 04 19:42:22.119 INFO [stderr] 119 |     let mut output: Mutex<Vec<PeakHash>> = Mutex::new(vec![]);
Dec 04 19:42:22.119 INFO [stderr]     |         ----^^^^^^
Dec 04 19:42:22.119 INFO [stderr]     |         |
Dec 04 19:42:22.119 INFO [stderr]     |         help: remove this `mut`
Dec 04 19:42:22.119 INFO [stderr] 
Dec 04 19:42:22.123 INFO [stderr] warning: unnecessary `unsafe` block
Dec 04 19:42:22.123 INFO [stderr]   --> src/lib.rs:69:5
Dec 04 19:42:22.123 INFO [stderr]    |
Dec 04 19:42:22.123 INFO [stderr] 69 |     unsafe { transformed[0] }
Dec 04 19:42:22.123 INFO [stderr]    |     ^^^^^^ unnecessary `unsafe` block
Dec 04 19:42:22.123 INFO [stderr]    |
Dec 04 19:42:22.123 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 04 19:42:22.123 INFO [stderr] 
Dec 04 19:42:22.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
Dec 04 19:42:22.203 INFO [stderr] su: No module specific data is present
Dec 04 19:42:23.003 INFO running `"docker" "inspect" "4b2fe3a9b9aabe8e96e64f7be5cc4d179ef22f198db53bc44a85b0af9b1c088f"`
Dec 04 19:42:23.193 INFO running `"docker" "rm" "-f" "4b2fe3a9b9aabe8e96e64f7be5cc4d179ef22f198db53bc44a85b0af9b1c088f"`
Dec 04 19:42:23.351 INFO [stdout] 4b2fe3a9b9aabe8e96e64f7be5cc4d179ef22f198db53bc44a85b0af9b1c088f