[INFO] cloning repository https://github.com/lorcanpd/music_evolution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lorcanpd/music_evolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florcanpd%2Fmusic_evolution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florcanpd%2Fmusic_evolution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eef6092628a7805802f0a2cce1360f7eedd5c9a
[INFO] testing lorcanpd/music_evolution against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florcanpd%2Fmusic_evolution" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lorcanpd/music_evolution
[INFO] finished tweaking git repo https://github.com/lorcanpd/music_evolution
[INFO] tweaked toml for git repo https://github.com/lorcanpd/music_evolution written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lorcanpd/music_evolution on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lorcanpd/music_evolution already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded oboe v0.4.6
[INFO] [stderr]   Downloaded ndk-macro v0.3.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.15
[INFO] [stderr]   Downloaded ndk-glue v0.6.2
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded either v1.12.0
[INFO] [stderr]   Downloaded ndk v0.6.0
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded alsa v0.6.0
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded cpal v0.13.5
[INFO] [stderr]   Downloaded oboe-sys v0.4.5
[INFO] [stderr]   Downloaded ndk-sys v0.3.0
[INFO] [stderr]   Downloaded rodio v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f97b69548b569c21152faaf1e0667bac5629b4a115b927a8008b6a0d239ffdfd
[INFO] running `Command { std: "docker" "start" "-a" "f97b69548b569c21152faaf1e0667bac5629b4a115b927a8008b6a0d239ffdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97b69548b569c21152faaf1e0667bac5629b4a115b927a8008b6a0d239ffdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97b69548b569c21152faaf1e0667bac5629b4a115b927a8008b6a0d239ffdfd", kill_on_drop: false }`
[INFO] [stdout] f97b69548b569c21152faaf1e0667bac5629b4a115b927a8008b6a0d239ffdfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00c2b6d1d6f77e5d56eaeaefed3a344d02c5c5884041c37f3e7a43303c61adf
[INFO] running `Command { std: "docker" "start" "-a" "f00c2b6d1d6f77e5d56eaeaefed3a344d02c5c5884041c37f3e7a43303c61adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling rodio v0.15.0
[INFO] [stderr]    Compiling music_evo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/genome_crosser.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut rng = rand::thread_rng();
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/genome_crosser.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut rng = rand::thread_rng();
[INFO] [stdout]   |             ----^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WaveFunction` is more private than the item `DecodedParameters::wave_function`
[INFO] [stdout]   --> src/decode_genome.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `DecodedParameters::wave_function` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `WaveFunction` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/decode_genome.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum WaveFunction {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/genome.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Genome {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 56 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wave_function` is never read
[INFO] [stdout]   --> src/decode_genome.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct DecodedParameters {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wav` is never used
[INFO] [stdout]   --> src/play_genes.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn generate_wav(decoded: &DecodedGenome, filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wav_data` is never used
[INFO] [stdout]   --> src/play_genes.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn generate_wav_data(decoded: &DecodedGenome) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.77s
[INFO] running `Command { std: "docker" "inspect" "f00c2b6d1d6f77e5d56eaeaefed3a344d02c5c5884041c37f3e7a43303c61adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00c2b6d1d6f77e5d56eaeaefed3a344d02c5c5884041c37f3e7a43303c61adf", kill_on_drop: false }`
[INFO] [stdout] f00c2b6d1d6f77e5d56eaeaefed3a344d02c5c5884041c37f3e7a43303c61adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312a45ce2e6ab9a4d6bdf5fbccb717af9b7106e0e74fbdef3ffe9d14afc0a248
[INFO] running `Command { std: "docker" "start" "-a" "312a45ce2e6ab9a4d6bdf5fbccb717af9b7106e0e74fbdef3ffe9d14afc0a248", kill_on_drop: false }`
[INFO] [stderr]    Compiling music_evo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/genome_crosser.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut rng = rand::thread_rng();
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/genome_crosser.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut rng = rand::thread_rng();
[INFO] [stdout]   |             ----^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WaveFunction` is more private than the item `DecodedParameters::wave_function`
[INFO] [stdout]   --> src/decode_genome.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `DecodedParameters::wave_function` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `WaveFunction` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/decode_genome.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum WaveFunction {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/genome.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Genome {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 56 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wave_function` is never read
[INFO] [stdout]   --> src/decode_genome.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct DecodedParameters {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wav` is never used
[INFO] [stdout]   --> src/play_genes.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn generate_wav(decoded: &DecodedGenome, filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wav_data` is never used
[INFO] [stdout]   --> src/play_genes.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn generate_wav_data(decoded: &DecodedGenome) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "312a45ce2e6ab9a4d6bdf5fbccb717af9b7106e0e74fbdef3ffe9d14afc0a248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312a45ce2e6ab9a4d6bdf5fbccb717af9b7106e0e74fbdef3ffe9d14afc0a248", kill_on_drop: false }`
[INFO] [stdout] 312a45ce2e6ab9a4d6bdf5fbccb717af9b7106e0e74fbdef3ffe9d14afc0a248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5cbffcdab450180d907a68835ef256f7d38f71492726a0f528f30edcf58b990
[INFO] running `Command { std: "docker" "start" "-a" "b5cbffcdab450180d907a68835ef256f7d38f71492726a0f528f30edcf58b990", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/genome_crosser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut rng = rand::thread_rng();
[INFO] [stderr]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/genome_crosser.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut rng = rand::thread_rng();
[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: type `WaveFunction` is more private than the item `DecodedParameters::wave_function`
[INFO] [stderr]   --> src/decode_genome.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `DecodedParameters::wave_function` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `WaveFunction` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/decode_genome.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | enum WaveFunction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/genome.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 55 | impl Genome {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 56 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `wave_function` is never read
[INFO] [stderr]   --> src/decode_genome.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub struct DecodedParameters {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub wave_function: Option<WaveFunction>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_wav` is never used
[INFO] [stderr]   --> src/play_genes.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn generate_wav(decoded: &DecodedGenome, filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_wav_data` is never used
[INFO] [stderr]   --> src/play_genes.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn generate_wav_data(decoded: &DecodedGenome) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `music_evo` (bin "music_evo" test) generated 8 warnings (run `cargo fix --bin "music_evo" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/music_evo-ec4af2f5b01be066)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5cbffcdab450180d907a68835ef256f7d38f71492726a0f528f30edcf58b990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cbffcdab450180d907a68835ef256f7d38f71492726a0f528f30edcf58b990", kill_on_drop: false }`
[INFO] [stdout] b5cbffcdab450180d907a68835ef256f7d38f71492726a0f528f30edcf58b990
