[INFO] cloning repository https://github.com/NangmanGureum/audio_file_mover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NangmanGureum/audio_file_mover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNangmanGureum%2Faudio_file_mover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNangmanGureum%2Faudio_file_mover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfa414d3ea7b2a120e09761872ac69ac56470d34
[INFO] checking NangmanGureum/audio_file_mover against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNangmanGureum%2Faudio_file_mover" "/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/NangmanGureum/audio_file_mover
[INFO] finished tweaking git repo https://github.com/NangmanGureum/audio_file_mover
[INFO] tweaked toml for git repo https://github.com/NangmanGureum/audio_file_mover written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NangmanGureum/audio_file_mover on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NangmanGureum/audio_file_mover 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18
[INFO] running `Command { std: "docker" "start" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Align`, `Flex`, and `Padding`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use druid::widget::{Align, Flex, Label, Padding};
[INFO] [stdout]   |                     ^^^^^  ^^^^         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::OutputStream`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rodio::OutputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Align`, `Flex`, and `Padding`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use druid::widget::{Align, Flex, Label, Padding};
[INFO] [stdout]   |                     ^^^^^  ^^^^         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::OutputStream`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rodio::OutputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/audio.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     _ => None,
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/audio.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     (16, SampleFormat::Int) => Some(Bits::Sixteen),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 54 |                     (24, SampleFormat::Int) => Some(Bits::TwentyFour),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 55 |                     (32, SampleFormat::Int) => Some(Bits::ThirtyTwoInt),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 56 |                     (32, SampleFormat::Float) => Some(Bits::ThirtyTwoFloat),
[INFO] [stdout]    |                     ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 61 |                     _ => None,
[INFO] [stdout]    |                     ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/audio.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     _ => None,
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/audio.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     16 => Some(Bits::Sixteen),
[INFO] [stdout]    |                     -- matches some of the same values
[INFO] [stdout] 72 |                     24 => Some(Bits::TwentyFour),
[INFO] [stdout]    |                     -- matches some of the same values
[INFO] [stdout] 73 |                     bit_num => Some(Bits::Int(bit_num as u8)),
[INFO] [stdout]    |                     ------- matches some of the same values
[INFO] [stdout] 74 |                     _ => None,
[INFO] [stdout]    |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bits` is never read
[INFO] [stdout]   --> src/audio.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |           let mut bits: Option<Bits> = None;
[INFO] [stdout]    |                                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 52 | /                 bits = match bit_and_format {
[INFO] [stdout] 53 | |                     (16, SampleFormat::Int) => Some(Bits::Sixteen),
[INFO] [stdout] 54 | |                     (24, SampleFormat::Int) => Some(Bits::TwentyFour),
[INFO] [stdout] 55 | |                     (32, SampleFormat::Int) => Some(Bits::ThirtyTwoInt),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                     _ => None,
[INFO] [stdout] 62 | |                 };
[INFO] [stdout]    | |_________________- `bits` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sample_rate` is never read
[INFO] [stdout]   --> src/audio.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut sample_rate: u32 = 0;
[INFO] [stdout]    |                                    ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 50 |                 sample_rate = file_spec.sample_rate;
[INFO] [stdout]    |                 ----------------------------------- `sample_rate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `channels` is never read
[INFO] [stdout]   --> src/audio.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut channels: u8 = 1;
[INFO] [stdout]    |                                ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 51 |                 channels = file_spec.channels as u8;
[INFO] [stdout]    |                 ----------------------------------- `channels` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_list`
[INFO] [stdout]   --> src/file_maneger.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file_list = fs::read_dir(dir.path).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int_state`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let int_state = match OS {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_int_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioFile` is never constructed
[INFO] [stdout]   --> src/audio.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AudioFile {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/audio.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Bits {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 25 |     Eight,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     Sixteen,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     TwentyFour,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     ThirtyTwoInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     ThirtyTwoFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     SixtyFourInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     SixtyFourFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     Int(u8),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     Float(u8),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bits` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `play` are never used
[INFO] [stdout]   --> src/audio.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl AudioFile {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn new(file: &Path) -> Option<AudioFile> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn play(audio_file: &AudioFile, stream_handle: &OutputStreamHandle) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Directory` is never constructed
[INFO] [stdout]  --> src/file_maneger.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Directory {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/file_maneger.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `get_list` are never used
[INFO] [stdout]   --> src/file_maneger.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Directory {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 18 |     fn new(path: &String) -> Directory {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_list(dir: Directory) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `move_file` are never used
[INFO] [stdout]   --> src/file_maneger.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl File {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn new(path: &str) -> File {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn move_file(file: File, to_directory: Directory) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/audio.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         stream_handle.play_raw(audio_src.convert_samples());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let _ = stream_handle.play_raw(audio_src.convert_samples());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/audio.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     _ => None,
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/audio.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     (16, SampleFormat::Int) => Some(Bits::Sixteen),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 54 |                     (24, SampleFormat::Int) => Some(Bits::TwentyFour),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 55 |                     (32, SampleFormat::Int) => Some(Bits::ThirtyTwoInt),
[INFO] [stdout]    |                     ----------------------- matches some of the same values
[INFO] [stdout] 56 |                     (32, SampleFormat::Float) => Some(Bits::ThirtyTwoFloat),
[INFO] [stdout]    |                     ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 61 |                     _ => None,
[INFO] [stdout]    |                     ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/audio.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     _ => None,
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/audio.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     16 => Some(Bits::Sixteen),
[INFO] [stdout]    |                     -- matches some of the same values
[INFO] [stdout] 72 |                     24 => Some(Bits::TwentyFour),
[INFO] [stdout]    |                     -- matches some of the same values
[INFO] [stdout] 73 |                     bit_num => Some(Bits::Int(bit_num as u8)),
[INFO] [stdout]    |                     ------- matches some of the same values
[INFO] [stdout] 74 |                     _ => None,
[INFO] [stdout]    |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bits` is never read
[INFO] [stdout]   --> src/audio.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |           let mut bits: Option<Bits> = None;
[INFO] [stdout]    |                                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 52 | /                 bits = match bit_and_format {
[INFO] [stdout] 53 | |                     (16, SampleFormat::Int) => Some(Bits::Sixteen),
[INFO] [stdout] 54 | |                     (24, SampleFormat::Int) => Some(Bits::TwentyFour),
[INFO] [stdout] 55 | |                     (32, SampleFormat::Int) => Some(Bits::ThirtyTwoInt),
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                     _ => None,
[INFO] [stdout] 62 | |                 };
[INFO] [stdout]    | |_________________- `bits` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sample_rate` is never read
[INFO] [stdout]   --> src/audio.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut sample_rate: u32 = 0;
[INFO] [stdout]    |                                    ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 50 |                 sample_rate = file_spec.sample_rate;
[INFO] [stdout]    |                 ----------------------------------- `sample_rate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `channels` is never read
[INFO] [stdout]   --> src/audio.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut channels: u8 = 1;
[INFO] [stdout]    |                                ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 51 |                 channels = file_spec.channels as u8;
[INFO] [stdout]    |                 ----------------------------------- `channels` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_list`
[INFO] [stdout]   --> src/file_maneger.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file_list = fs::read_dir(dir.path).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int_state`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let int_state = match OS {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_int_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioFile` is never constructed
[INFO] [stdout]   --> src/audio.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AudioFile {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/audio.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Bits {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 25 |     Eight,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     Sixteen,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     TwentyFour,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     ThirtyTwoInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     ThirtyTwoFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     SixtyFourInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     SixtyFourFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     Int(u8),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     Float(u8),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bits` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `play` are never used
[INFO] [stdout]   --> src/audio.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl AudioFile {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn new(file: &Path) -> Option<AudioFile> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn play(audio_file: &AudioFile, stream_handle: &OutputStreamHandle) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Directory` is never constructed
[INFO] [stdout]  --> src/file_maneger.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Directory {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/file_maneger.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `get_list` are never used
[INFO] [stdout]   --> src/file_maneger.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Directory {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 18 |     fn new(path: &String) -> Directory {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_list(dir: Directory) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `move_file` are never used
[INFO] [stdout]   --> src/file_maneger.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl File {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 29 |     pub fn new(path: &str) -> File {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn move_file(file: File, to_directory: Directory) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/audio.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         stream_handle.play_raw(audio_src.convert_samples());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let _ = stream_handle.play_raw(audio_src.convert_samples());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18", kill_on_drop: false }`
[INFO] [stdout] e87008b0749b4481c66d02ef7f1255e18311522bc17c511d5cdd34f7196edc18
