[INFO] updating cached repository https://github.com/ThaFireDragonOfDeath/open-mediacheck
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18a05bdbd8418a921c80dcfe8c29404fab5a0a0b
[INFO] testing ThaFireDragonOfDeath/open-mediacheck against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FThaFireDragonOfDeath%2Fopen-mediacheck" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThaFireDragonOfDeath/open-mediacheck on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ThaFireDragonOfDeath/open-mediacheck
[INFO] finished tweaking git repo https://github.com/ThaFireDragonOfDeath/open-mediacheck
[INFO] tweaked toml for git repo https://github.com/ThaFireDragonOfDeath/open-mediacheck written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ThaFireDragonOfDeath/open-mediacheck already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 214fcb38438d316bf5216bbf176e34c554b48e8d7db25a52879d40882aad92f6
[INFO] running `"docker" "start" "-a" "214fcb38438d316bf5216bbf176e34c554b48e8d7db25a52879d40882aad92f6"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling strength_reduce v0.2.1
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling open-mediacheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Sample`, `WavSamples`
[INFO] [stderr]  --> src/audio.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::hound::{WavReader,WavSamples,Sample};
[INFO] [stderr]   |                             ^^^^^^^^^^ ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/audio.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/audio.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |         while ((hash_area_offset_in_seconds as f32 + hash_area_size_in_seconds as f32 + hash_area_distance_in_seconds as f32) < (remaining_audio as f32)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/audio.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |             remaining_audio -= (hash_area_size_in_seconds as f32 + hash_area_distance_in_seconds as f32);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:128:16
[INFO] [stderr]     |
[INFO] [stderr] 128 |             if (read_fft < samples_per_second / 2) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |             if (read_fft >= (frequency_sidecrop_left as f32 * hash_area_size_in_seconds) as u32 && read_fft <= (frequency_sidecrop_right as f32 * hash_area_size_in_seconds) as u32) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:176:16
[INFO] [stderr]     |
[INFO] [stderr] 176 |             if (x == 0) {
[INFO] [stderr]     |                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:187:15
[INFO] [stderr]     |
[INFO] [stderr] 187 |             if(*fft_abs > fft_max) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:198:15
[INFO] [stderr]     |
[INFO] [stderr] 198 |             if(fft_current_iter != 0) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if (duration_samples == 0) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `audio_hashes`
[INFO] [stderr]   --> src/audio.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut audio_hashes: Vec<String> = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_audio_hashes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_mode`
[INFO] [stderr]   --> src/audio.rs:25:53
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn calc_gen_ahash(&self, hash_bitsize: u16, output_mode: OutputMode) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/audio.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         for x in 0..bitcount - cat {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/audio.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for x in 0..cat {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_mode`
[INFO] [stderr]   --> src/picture.rs:19:49
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn calc_ahash(&self, hash_bitsize: u16, output_mode: OutputMode) -> String {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut target_audio: TargetAudio = TargetAudio::new(&audio_test_file);
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut target_audio2: TargetAudio = TargetAudio::new(&audio_test_file2);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut target_audio3: TargetAudio = TargetAudio::new(&audio_test_file3);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/audio.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut audio_hashes: Vec<String> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/audio.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut fft_samples_abs = TargetAudio::normalize_fftsamples(&mut fft_samples, hash_bitsize, samples_per_second, frequency_sidecrop_left, frequency_sidecrop_right, audio_group_bitcount, hash_area_size_in_seconds);
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hex`
[INFO] [stderr]  --> src/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Hex,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `"docker" "inspect" "214fcb38438d316bf5216bbf176e34c554b48e8d7db25a52879d40882aad92f6"`
[INFO] running `"docker" "rm" "-f" "214fcb38438d316bf5216bbf176e34c554b48e8d7db25a52879d40882aad92f6"`
[INFO] [stdout] 214fcb38438d316bf5216bbf176e34c554b48e8d7db25a52879d40882aad92f6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1737b03850e3ce452725479abd87db4b97c1389d988a45e42f26a271a7981d73
[INFO] running `"docker" "start" "-a" "1737b03850e3ce452725479abd87db4b97c1389d988a45e42f26a271a7981d73"`
[INFO] [stderr]    Compiling open-mediacheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Sample`, `WavSamples`
[INFO] [stderr]  --> src/audio.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::hound::{WavReader,WavSamples,Sample};
[INFO] [stderr]   |                             ^^^^^^^^^^ ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/audio.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/audio.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |         while ((hash_area_offset_in_seconds as f32 + hash_area_size_in_seconds as f32 + hash_area_distance_in_seconds as f32) < (remaining_audio as f32)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/audio.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |             remaining_audio -= (hash_area_size_in_seconds as f32 + hash_area_distance_in_seconds as f32);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:128:16
[INFO] [stderr]     |
[INFO] [stderr] 128 |             if (read_fft < samples_per_second / 2) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |             if (read_fft >= (frequency_sidecrop_left as f32 * hash_area_size_in_seconds) as u32 && read_fft <= (frequency_sidecrop_right as f32 * hash_area_size_in_seconds) as u32) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:176:16
[INFO] [stderr]     |
[INFO] [stderr] 176 |             if (x == 0) {
[INFO] [stderr]     |                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:187:15
[INFO] [stderr]     |
[INFO] [stderr] 187 |             if(*fft_abs > fft_max) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:198:15
[INFO] [stderr]     |
[INFO] [stderr] 198 |             if(fft_current_iter != 0) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/audio.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if (duration_samples == 0) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `audio_hashes`
[INFO] [stderr]   --> src/audio.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut audio_hashes: Vec<String> = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_audio_hashes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_mode`
[INFO] [stderr]   --> src/audio.rs:25:53
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn calc_gen_ahash(&self, hash_bitsize: u16, output_mode: OutputMode) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/audio.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         for x in 0..bitcount - cat {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/audio.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for x in 0..cat {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_mode`
[INFO] [stderr]   --> src/picture.rs:19:49
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn calc_ahash(&self, hash_bitsize: u16, output_mode: OutputMode) -> String {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut target_audio: TargetAudio = TargetAudio::new(&audio_test_file);
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut target_audio2: TargetAudio = TargetAudio::new(&audio_test_file2);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut target_audio3: TargetAudio = TargetAudio::new(&audio_test_file3);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/audio.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut audio_hashes: Vec<String> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/audio.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut fft_samples_abs = TargetAudio::normalize_fftsamples(&mut fft_samples, hash_bitsize, samples_per_second, frequency_sidecrop_left, frequency_sidecrop_right, audio_group_bitcount, hash_area_size_in_seconds);
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hex`
[INFO] [stderr]  --> src/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Hex,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "1737b03850e3ce452725479abd87db4b97c1389d988a45e42f26a271a7981d73"`
[INFO] running `"docker" "rm" "-f" "1737b03850e3ce452725479abd87db4b97c1389d988a45e42f26a271a7981d73"`
[INFO] [stdout] 1737b03850e3ce452725479abd87db4b97c1389d988a45e42f26a271a7981d73
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 9f33be8ad97435299e4ba3ab7a79a583678d6378398491203b19159231844062
[INFO] running `"docker" "start" "-a" "9f33be8ad97435299e4ba3ab7a79a583678d6378398491203b19159231844062"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/open_mediacheck-06d241dc2e4f24e2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f33be8ad97435299e4ba3ab7a79a583678d6378398491203b19159231844062"`
[INFO] running `"docker" "rm" "-f" "9f33be8ad97435299e4ba3ab7a79a583678d6378398491203b19159231844062"`
[INFO] [stdout] 9f33be8ad97435299e4ba3ab7a79a583678d6378398491203b19159231844062