[INFO] cloning repository https://github.com/mindtravel/8bits-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindtravel/8bits-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindtravel%2F8bits-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindtravel%2F8bits-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97e09c459b954243171bb26668dab6bc4a65060a
[INFO] testing mindtravel/8bits-of-rust against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindtravel%2F8bits-of-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mindtravel/8bits-of-rust
[INFO] finished tweaking git repo https://github.com/mindtravel/8bits-of-rust
[INFO] tweaked toml for git repo https://github.com/mindtravel/8bits-of-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mindtravel/8bits-of-rust 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 134 packages to latest compatible versions
[INFO] [stderr]       Adding rodio v0.20.1 (available: v0.21.1)
[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 rodio v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 192933a2d8674d7390677f6ce1ad7a69e2fe2bf02c07bdd0d54f30fcc41aaae0
[INFO] running `Command { std: "docker" "start" "-a" "192933a2d8674d7390677f6ce1ad7a69e2fe2bf02c07bdd0d54f30fcc41aaae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192933a2d8674d7390677f6ce1ad7a69e2fe2bf02c07bdd0d54f30fcc41aaae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192933a2d8674d7390677f6ce1ad7a69e2fe2bf02c07bdd0d54f30fcc41aaae0", kill_on_drop: false }`
[INFO] [stdout] 192933a2d8674d7390677f6ce1ad7a69e2fe2bf02c07bdd0d54f30fcc41aaae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8fc281bb92b07ab9a1745a5f26a1d5a7fa16efad4b20422f675040be9a80bead
[INFO] running `Command { std: "docker" "start" "-a" "8fc281bb92b07ab9a1745a5f26a1d5a7fa16efad4b20422f675040be9a80bead", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling rodio v0.20.1
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling _8bits_of_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::LazyLock`
[INFO] [stdout]  --> src/util/basefn.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::LazyLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Channel`
[INFO] [stdout]   --> src/util/basefn.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::Channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Pattern`
[INFO] [stdout]   --> src/util/basefn.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::Pattern;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::T_BEAT`
[INFO] [stdout]   --> src/util/basefn.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::T_BEAT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::basefn::midi_generator`
[INFO] [stdout]  --> src/util/channel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::basefn::midi_generator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Score`
[INFO] [stdout]  --> src/util/channel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Score;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::basetype::ChannelID`
[INFO] [stdout]  --> src/util/pattern/pattern.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::util::basetype::ChannelID;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Channel`
[INFO] [stdout]  --> src/util/pattern/pattern.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::cpal::Sample`
[INFO] [stdout]  --> src/util/song.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rodio::cpal::Sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/util/song.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]   --> src/util/song.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::vec;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::test::init_test_channel`
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use util::test::init_test_channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::test::init_test_pattern`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use util::test::init_test_pattern;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::parameter::baseconst::BPM`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use util::parameter::baseconst::BPM;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::parameter::baseconst::N_TBASE`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use util::parameter::baseconst::N_TBASE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/util/song.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChannelID` is never used
[INFO] [stdout]  --> src/util/basetype.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type ChannelID = u8;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `pan` are never read
[INFO] [stdout]   --> src/util/channel.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Channel {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout]  5 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub pan: i8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/util/channel.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Channel {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 16 |     // 构造函数，为某些字段设置初始值
[INFO] [stdout] 17 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `T_BEAT` is never used
[INFO] [stdout]  --> src/util/parameter/baseconst.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const T_BEAT: f32 = 60.0 / BPM as f32;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/util/pattern/pattern.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Pattern {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_start_time`, `insert_note`, `delete_note`, `change_note`, `write_to_file`, and `pattern_file` are never used
[INFO] [stdout]    --> src/util/pattern/pattern.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Pattern {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn set_start_time(&mut self, new_start_time: Timebase) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn insert_note(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn delete_note(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn change_note(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn write_to_file(&self, file: &mut File) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |     pub fn pattern_file(&self, file_path: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_pattern_time`, `move_pattern_channel`, `edit_pattern`, and `save_to_file` are never used
[INFO] [stdout]    --> src/util/song.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Song {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn move_pattern_time(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn move_pattern_channel(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn edit_pattern(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn save_to_file(&self, file_path: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frequency` is never read
[INFO] [stdout]   --> src/util/synth/synthparameters.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SynthParameters {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub frequency: f32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_pattern` is never used
[INFO] [stdout]  --> src/util/test.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn test_pattern() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_test_pattern` is never used
[INFO] [stdout]    --> src/util/test.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub fn init_test_pattern() -> Vec<Vec<Pattern>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_test_channel` is never used
[INFO] [stdout]    --> src/util/test.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | pub fn init_test_channel() -> Vec<Channel> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.69s
[INFO] running `Command { std: "docker" "inspect" "8fc281bb92b07ab9a1745a5f26a1d5a7fa16efad4b20422f675040be9a80bead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc281bb92b07ab9a1745a5f26a1d5a7fa16efad4b20422f675040be9a80bead", kill_on_drop: false }`
[INFO] [stdout] 8fc281bb92b07ab9a1745a5f26a1d5a7fa16efad4b20422f675040be9a80bead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5fe2217cf069ceee675681984f48e459b000d2351eaf68670240c954c3a7b850
[INFO] running `Command { std: "docker" "start" "-a" "5fe2217cf069ceee675681984f48e459b000d2351eaf68670240c954c3a7b850", kill_on_drop: false }`
[INFO] [stderr]    Compiling _8bits_of_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::LazyLock`
[INFO] [stdout]  --> src/util/basefn.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::LazyLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Channel`
[INFO] [stdout]   --> src/util/basefn.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::Channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Pattern`
[INFO] [stdout]   --> src/util/basefn.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::Pattern;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::T_BEAT`
[INFO] [stdout]   --> src/util/basefn.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use crate::T_BEAT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::basefn::midi_generator`
[INFO] [stdout]  --> src/util/channel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::basefn::midi_generator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Score`
[INFO] [stdout]  --> src/util/channel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Score;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::basetype::ChannelID`
[INFO] [stdout]  --> src/util/pattern/pattern.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::util::basetype::ChannelID;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Channel`
[INFO] [stdout]  --> src/util/pattern/pattern.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::cpal::Sample`
[INFO] [stdout]  --> src/util/song.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rodio::cpal::Sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/util/song.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]   --> src/util/song.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::vec;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::test::init_test_channel`
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use util::test::init_test_channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::test::init_test_pattern`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use util::test::init_test_pattern;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::parameter::baseconst::BPM`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use util::parameter::baseconst::BPM;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::parameter::baseconst::N_TBASE`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use util::parameter::baseconst::N_TBASE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/util/song.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChannelID` is never used
[INFO] [stdout]  --> src/util/basetype.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type ChannelID = u8;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `pan` are never read
[INFO] [stdout]   --> src/util/channel.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Channel {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout]  5 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub pan: i8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/util/channel.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Channel {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 16 |     // 构造函数，为某些字段设置初始值
[INFO] [stdout] 17 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `T_BEAT` is never used
[INFO] [stdout]  --> src/util/parameter/baseconst.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const T_BEAT: f32 = 60.0 / BPM as f32;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/util/pattern/pattern.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Pattern {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_start_time`, `insert_note`, `delete_note`, `change_note`, `write_to_file`, and `pattern_file` are never used
[INFO] [stdout]    --> src/util/pattern/pattern.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Pattern {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn set_start_time(&mut self, new_start_time: Timebase) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn insert_note(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn delete_note(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn change_note(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn write_to_file(&self, file: &mut File) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |     pub fn pattern_file(&self, file_path: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_pattern_time`, `move_pattern_channel`, `edit_pattern`, and `save_to_file` are never used
[INFO] [stdout]    --> src/util/song.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Song {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn move_pattern_time(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn move_pattern_channel(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn edit_pattern(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn save_to_file(&self, file_path: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frequency` is never read
[INFO] [stdout]   --> src/util/synth/synthparameters.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SynthParameters {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub frequency: f32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_pattern` is never used
[INFO] [stdout]  --> src/util/test.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn test_pattern() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_test_pattern` is never used
[INFO] [stdout]    --> src/util/test.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub fn init_test_pattern() -> Vec<Vec<Pattern>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_test_channel` is never used
[INFO] [stdout]    --> src/util/test.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | pub fn init_test_channel() -> Vec<Channel> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5fe2217cf069ceee675681984f48e459b000d2351eaf68670240c954c3a7b850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe2217cf069ceee675681984f48e459b000d2351eaf68670240c954c3a7b850", kill_on_drop: false }`
[INFO] [stdout] 5fe2217cf069ceee675681984f48e459b000d2351eaf68670240c954c3a7b850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 33193292158bea7b012b1fd258df531f61a94105953e1ac786d4eaf628123831
[INFO] running `Command { std: "docker" "start" "-a" "33193292158bea7b012b1fd258df531f61a94105953e1ac786d4eaf628123831", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::LazyLock`
[INFO] [stderr]  --> src/util/basefn.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::LazyLock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Channel`
[INFO] [stderr]   --> src/util/basefn.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::Channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Pattern`
[INFO] [stderr]   --> src/util/basefn.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::Pattern;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::T_BEAT`
[INFO] [stderr]   --> src/util/basefn.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use crate::T_BEAT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::basefn::midi_generator`
[INFO] [stderr]  --> src/util/channel.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::basefn::midi_generator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Score`
[INFO] [stderr]  --> src/util/channel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::Score;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::basetype::ChannelID`
[INFO] [stderr]  --> src/util/pattern/pattern.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::util::basetype::ChannelID;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Channel`
[INFO] [stderr]  --> src/util/pattern/pattern.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::Channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rodio::cpal::Sample`
[INFO] [stderr]  --> src/util/song.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rodio::cpal::Sample;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]  --> src/util/song.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::string;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stderr]   --> src/util/song.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::vec;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::test::init_test_channel`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use util::test::init_test_channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::test::init_test_pattern`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use util::test::init_test_pattern;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::parameter::baseconst::BPM`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use util::parameter::baseconst::BPM;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::parameter::baseconst::N_TBASE`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use util::parameter::baseconst::N_TBASE;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/util/song.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ChannelID` is never used
[INFO] [stderr]  --> src/util/basetype.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type ChannelID = u8;
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `pan` are never read
[INFO] [stderr]   --> src/util/channel.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub struct Channel {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr]  5 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub pan: i8,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/util/channel.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Channel {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] 16 |     // 构造函数，为某些字段设置初始值
[INFO] [stderr] 17 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `T_BEAT` is never used
[INFO] [stderr]  --> src/util/parameter/baseconst.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const T_BEAT: f32 = 60.0 / BPM as f32;
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/util/pattern/pattern.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Pattern {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 16 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_start_time`, `insert_note`, `delete_note`, `change_note`, `write_to_file`, and `pattern_file` are never used
[INFO] [stderr]    --> src/util/pattern/pattern.rs:63:12
[INFO] [stderr]     |
[INFO] [stderr]  23 | impl Pattern {
[INFO] [stderr]     | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  63 |     pub fn set_start_time(&mut self, new_start_time: Timebase) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  73 |     pub fn insert_note(
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  82 |     pub fn delete_note(
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 107 |     fn change_note(
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 301 |     pub fn write_to_file(&self, file: &mut File) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 342 |     pub fn pattern_file(&self, file_path: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `move_pattern_time`, `move_pattern_channel`, `edit_pattern`, and `save_to_file` are never used
[INFO] [stderr]    --> src/util/song.rs:71:12
[INFO] [stderr]     |
[INFO] [stderr]  21 | impl Song {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  71 |     pub fn move_pattern_time(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  87 |     pub fn move_pattern_channel(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn edit_pattern(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |     pub fn save_to_file(&self, file_path: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `frequency` is never read
[INFO] [stderr]   --> src/util/synth/synthparameters.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct SynthParameters {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 10 |     pub frequency: f32,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_pattern` is never used
[INFO] [stderr]  --> src/util/test.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn test_pattern() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `init_test_pattern` is never used
[INFO] [stderr]    --> src/util/test.rs:221:8
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub fn init_test_pattern() -> Vec<Vec<Pattern>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `init_test_channel` is never used
[INFO] [stderr]    --> src/util/test.rs:348:8
[INFO] [stderr]     |
[INFO] [stderr] 348 | pub fn init_test_channel() -> Vec<Channel> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `_8bits_of_rust` (bin "_8bits_of_rust" test) generated 27 warnings (run `cargo fix --bin "_8bits_of_rust" --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_8bits_of_rust-56986468612d586f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33193292158bea7b012b1fd258df531f61a94105953e1ac786d4eaf628123831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33193292158bea7b012b1fd258df531f61a94105953e1ac786d4eaf628123831", kill_on_drop: false }`
[INFO] [stdout] 33193292158bea7b012b1fd258df531f61a94105953e1ac786d4eaf628123831
