[INFO] cloning repository https://github.com/atherchris/chaud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atherchris/chaud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatherchris%2Fchaud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatherchris%2Fchaud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56e7dff31af585356803d0d189601b9591cbcfe1
[INFO] checking atherchris/chaud against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatherchris%2Fchaud" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atherchris/chaud on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atherchris/chaud
[INFO] finished tweaking git repo https://github.com/atherchris/chaud
[INFO] tweaked toml for git repo https://github.com/atherchris/chaud written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/atherchris/chaud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139aeb9729e68cdccfbcae10ea42c4785e7fb8e21dbee3b509b26b818d3cb877
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "139aeb9729e68cdccfbcae10ea42c4785e7fb8e21dbee3b509b26b818d3cb877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139aeb9729e68cdccfbcae10ea42c4785e7fb8e21dbee3b509b26b818d3cb877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139aeb9729e68cdccfbcae10ea42c4785e7fb8e21dbee3b509b26b818d3cb877", kill_on_drop: false }`
[INFO] [stdout] 139aeb9729e68cdccfbcae10ea42c4785e7fb8e21dbee3b509b26b818d3cb877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde6587e183664132197676349d4f97cdb70a56b95cfa1452b9bf231aa99a4c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fde6587e183664132197676349d4f97cdb70a56b95cfa1452b9bf231aa99a4c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chaud v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `decoder`
[INFO] [stdout]    --> src/codec/flac.rs:206:33
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/codec/flac.rs:206:68
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/codec/flac.rs:206:105
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/codec/flac.rs:210:65
[INFO] [stdout]     |
[INFO] [stdout] 210 | extern "C" fn error_callback(decoder: *mut FLAC__StreamDecoder, status: FLAC__StreamDecoderErrorStatus, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoder`
[INFO] [stdout]    --> src/codec/flac.rs:261:33
[INFO] [stdout]     |
[INFO] [stdout] 261 | extern "C" fn progress_callback(encoder: *mut FLAC__StreamEncoder, bytes_writter: FLAC__uint64, samples_written: FLAC__uint64, frames_wri...
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_writter`
[INFO] [stdout]    --> src/codec/flac.rs:261:68
[INFO] [stdout]     |
[INFO] [stdout] 261 | ... FLAC__StreamEncoder, bytes_writter: FLAC__uint64, samples_written: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: ...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_writter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_written`
[INFO] [stdout]    --> src/codec/flac.rs:261:97
[INFO] [stdout]     |
[INFO] [stdout] 261 | ...tter: FLAC__uint64, samples_written: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut ...
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_written`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frames_written`
[INFO] [stdout]    --> src/codec/flac.rs:261:128
[INFO] [stdout]     |
[INFO] [stdout] 261 | ...itten: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_written`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_frames_estimate`
[INFO] [stdout]    --> src/codec/flac.rs:261:157
[INFO] [stdout]     |
[INFO] [stdout] 261 | ... cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_frames_estimate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_data`
[INFO] [stdout]    --> src/codec/flac.rs:261:193
[INFO] [stdout]     |
[INFO] [stdout] 261 | ..._estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process_ret`
[INFO] [stdout]    --> src/codec/flac.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 | ...   let process_ret = unsafe { FLAC__stream_encoder_process_interleaved(encoder, frame.samples.as_ptr(), (frame.samples.len() / frame.c...
[INFO] [stdout]     |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/codec/flac.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut p_tx = &mut my_tx as *mut mpsc::Sender<Frame>;
[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: unused variable: `decoder`
[INFO] [stdout]    --> src/codec/flac.rs:206:33
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/codec/flac.rs:206:68
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/codec/flac.rs:206:105
[INFO] [stdout]     |
[INFO] [stdout] 206 | extern "C" fn metadata_callback(decoder: *mut FLAC__StreamDecoder, metadata: *mut FLAC__StreamMetadata, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/codec/flac.rs:210:65
[INFO] [stdout]     |
[INFO] [stdout] 210 | extern "C" fn error_callback(decoder: *mut FLAC__StreamDecoder, status: FLAC__StreamDecoderErrorStatus, tx: *mut cty::c_void) {
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoder`
[INFO] [stdout]    --> src/codec/flac.rs:261:33
[INFO] [stdout]     |
[INFO] [stdout] 261 | extern "C" fn progress_callback(encoder: *mut FLAC__StreamEncoder, bytes_writter: FLAC__uint64, samples_written: FLAC__uint64, frames_wri...
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_writter`
[INFO] [stdout]    --> src/codec/flac.rs:261:68
[INFO] [stdout]     |
[INFO] [stdout] 261 | ... FLAC__StreamEncoder, bytes_writter: FLAC__uint64, samples_written: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: ...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_writter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_written`
[INFO] [stdout]    --> src/codec/flac.rs:261:97
[INFO] [stdout]     |
[INFO] [stdout] 261 | ...tter: FLAC__uint64, samples_written: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut ...
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_written`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frames_written`
[INFO] [stdout]    --> src/codec/flac.rs:261:128
[INFO] [stdout]     |
[INFO] [stdout] 261 | ...itten: FLAC__uint64, frames_written: cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_written`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_frames_estimate`
[INFO] [stdout]    --> src/codec/flac.rs:261:157
[INFO] [stdout]     |
[INFO] [stdout] 261 | ... cty::c_uint, total_frames_estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_frames_estimate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_data`
[INFO] [stdout]    --> src/codec/flac.rs:261:193
[INFO] [stdout]     |
[INFO] [stdout] 261 | ..._estimate: cty::c_uint, client_data: *mut cty::c_void ) {
[INFO] [stdout]     |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process_ret`
[INFO] [stdout]    --> src/codec/flac.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 | ...   let process_ret = unsafe { FLAC__stream_encoder_process_interleaved(encoder, frame.samples.as_ptr(), (frame.samples.len() / frame.c...
[INFO] [stdout]     |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int8`
[INFO] [stdout]   --> src/codec/flac.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | type FLAC__int8 = i8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint8`
[INFO] [stdout]   --> src/codec/flac.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | type FLAC__uint8 = u8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int16`
[INFO] [stdout]   --> src/codec/flac.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | type FLAC__int16 = i16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int64`
[INFO] [stdout]   --> src/codec/flac.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | type FLAC__int64 = i64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint16`
[INFO] [stdout]   --> src/codec/flac.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | type FLAC__uint16 = u16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint32`
[INFO] [stdout]   --> src/codec/flac.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | type FLAC__uint32 = u32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__bool`
[INFO] [stdout]   --> src/codec/flac.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | type FLAC__bool = cty::c_int;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__byte`
[INFO] [stdout]   --> src/codec/flac.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | type FLAC__byte = FLAC__uint8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FLAC__StreamDecoderState`
[INFO] [stdout]   --> src/codec/flac.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum FLAC__StreamDecoderState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_OK`
[INFO] [stdout]   --> src/codec/flac.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 66 |     FLAC__STREAM_DECODER_INIT_STATUS_OK = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER`
[INFO] [stdout]   --> src/codec/flac.rs:67:2
[INFO] [stdout]    |
[INFO] [stdout] 67 |     FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS`
[INFO] [stdout]   --> src/codec/flac.rs:68:2
[INFO] [stdout]    |
[INFO] [stdout] 68 |     FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR`
[INFO] [stdout]   --> src/codec/flac.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 |     FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE`
[INFO] [stdout]   --> src/codec/flac.rs:70:2
[INFO] [stdout]    |
[INFO] [stdout] 70 |     FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED`
[INFO] [stdout]   --> src/codec/flac.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_OK`
[INFO] [stdout]   --> src/codec/flac.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     FLAC__STREAM_ENCODER_INIT_STATUS_OK = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR`
[INFO] [stdout]   --> src/codec/flac.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER`
[INFO] [stdout]   --> src/codec/flac.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS`
[INFO] [stdout]   --> src/codec/flac.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS`
[INFO] [stdout]   --> src/codec/flac.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE`
[INFO] [stdout]   --> src/codec/flac.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE`
[INFO] [stdout]   --> src/codec/flac.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE`
[INFO] [stdout]   --> src/codec/flac.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER`
[INFO] [stdout]   --> src/codec/flac.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION`
[INFO] [stdout]   --> src/codec/flac.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER`
[INFO] [stdout]   --> src/codec/flac.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE`
[INFO] [stdout]   --> src/codec/flac.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA`
[INFO] [stdout]   --> src/codec/flac.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED`
[INFO] [stdout]   --> src/codec/flac.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FLAC__StreamDecoderReadStatus`
[INFO] [stdout]   --> src/codec/flac.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum FLAC__StreamDecoderReadStatus {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_WRITE_STATUS_ABORT`
[INFO] [stdout]    --> src/codec/flac.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 105 |     FLAC__STREAM_DECODER_WRITE_STATUS_ABORT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC`
[INFO] [stdout]    --> src/codec/flac.rs:110:2
[INFO] [stdout]     |
[INFO] [stdout] 110 |     FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER`
[INFO] [stdout]    --> src/codec/flac.rs:111:2
[INFO] [stdout]     |
[INFO] [stdout] 111 |     FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH`
[INFO] [stdout]    --> src/codec/flac.rs:112:2
[INFO] [stdout]     |
[INFO] [stdout] 112 |     FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM`
[INFO] [stdout]    --> src/codec/flac.rs:113:2
[INFO] [stdout]     |
[INFO] [stdout] 113 |     FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderWriteCallback`
[INFO] [stdout]    --> src/codec/flac.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | type FLAC__StreamDecoderWriteCallback =  unsafe extern "C" fn(*mut FLAC__StreamDecoder, *mut FLAC__Frame, *mut *mut FLAC__int32, tx: *mut cty::c_void) -> FLAC__StreamDecoderWriteStatus;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderMetadataCallback`
[INFO] [stdout]    --> src/codec/flac.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | type FLAC__StreamDecoderMetadataCallback = unsafe extern "C" fn(*mut FLAC__StreamDecoder, *mut FLAC__StreamMetadata, tx: *mut cty::c_void);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderErrorCallback`
[INFO] [stdout]    --> src/codec/flac.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | type FLAC__StreamDecoderErrorCallback = unsafe extern "C" fn(*mut FLAC__StreamDecoder, FLAC__StreamDecoderErrorStatus, tx: *mut cty::c_void);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamEncoderProgressCallback`
[INFO] [stdout]    --> src/codec/flac.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | / type FLAC__StreamEncoderProgressCallback = unsafe extern "C" fn(encoder: *mut FLAC__StreamEncoder,
[INFO] [stdout] 127 | |     bytes_writter: FLAC__uint64,
[INFO] [stdout] 128 | |     samples_written: FLAC__uint64,
[INFO] [stdout] 129 | |     frames_written: cty::c_uint,
[INFO] [stdout] 130 | |     total_frames_estimate: cty::c_uint,
[INFO] [stdout] 131 | |     client_data: *mut cty::c_void );
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_new`
[INFO] [stdout]    --> src/codec/flac.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn FLAC__stream_decoder_new() -> *mut FLAC__StreamDecoder;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_delete`
[INFO] [stdout]    --> src/codec/flac.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn FLAC__stream_decoder_delete(decoder: *mut FLAC__StreamDecoder);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_init_file`
[INFO] [stdout]    --> src/codec/flac.rs:138:1
[INFO] [stdout]     |
[INFO] [stdout] 138 | / fn FLAC__stream_decoder_init_file(decoder: *mut FLAC__StreamDecoder,
[INFO] [stdout] 139 | |     filename: *const cty::c_char,
[INFO] [stdout] 140 | |     write_callback: FLAC__StreamDecoderWriteCallback,
[INFO] [stdout] 141 | |     metadata_callback: FLAC__StreamDecoderMetadataCallback,
[INFO] [stdout] 142 | |     error_callback: FLAC__StreamDecoderErrorCallback,
[INFO] [stdout] 143 | |     client_data: *mut cty::c_void) -> FLAC__StreamDecoderInitStatus;
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_get_state`
[INFO] [stdout]    --> src/codec/flac.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn FLAC__stream_decoder_get_state(decoder: *const FLAC__StreamDecoder) -> FLAC__StreamDecoderState;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_set_md5_checking`
[INFO] [stdout]    --> src/codec/flac.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn FLAC__stream_decoder_set_md5_checking(decoder: *mut FLAC__StreamDecoder, value: FLAC__bool) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/codec/flac.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut p_tx = &mut my_tx as *mut mpsc::Sender<Frame>;
[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: function is never used: `FLAC__stream_decoder_process_until_end_of_stream`
[INFO] [stdout]    --> src/codec/flac.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn FLAC__stream_decoder_process_until_end_of_stream(decoder: *mut FLAC__StreamDecoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_finish`
[INFO] [stdout]    --> src/codec/flac.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn FLAC__stream_decoder_finish(decoder: *mut FLAC__StreamDecoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_new`
[INFO] [stdout]    --> src/codec/flac.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn FLAC__stream_encoder_new() -> *mut FLAC__StreamEncoder;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_init_file`
[INFO] [stdout]    --> src/codec/flac.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / fn FLAC__stream_encoder_init_file(encoder: *mut FLAC__StreamEncoder,
[INFO] [stdout] 158 | |     filename: *const cty::c_char,
[INFO] [stdout] 159 | |     progress_callback: FLAC__StreamEncoderProgressCallback,
[INFO] [stdout] 160 | |     client_data: *mut cty::c_void) -> FLAC__StreamEncoderInitStatus;
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_channels`
[INFO] [stdout]    --> src/codec/flac.rs:161:1
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn FLAC__stream_encoder_set_channels(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_bits_per_sample`
[INFO] [stdout]    --> src/codec/flac.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn FLAC__stream_encoder_set_bits_per_sample(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_sample_rate`
[INFO] [stdout]    --> src/codec/flac.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn FLAC__stream_encoder_set_sample_rate(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_process_interleaved`
[INFO] [stdout]    --> src/codec/flac.rs:164:1
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn FLAC__stream_encoder_process_interleaved(encoder: *mut FLAC__StreamEncoder, buffer: *const FLAC__int32, samples: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_finish`
[INFO] [stdout]    --> src/codec/flac.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn FLAC__stream_encoder_finish(encoder: *mut FLAC__StreamEncoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_delete`
[INFO] [stdout]    --> src/codec/flac.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn FLAC__stream_encoder_delete(encoder: *mut FLAC__StreamEncoder);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_flac`
[INFO] [stdout]    --> src/codec/flac.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn read_flac(path: &str, tx: mpsc::Sender<Frame>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_flac`
[INFO] [stdout]    --> src/codec/flac.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn write_flac(path: &str, rx: mpsc::Receiver<Frame>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int8`
[INFO] [stdout]   --> src/codec/flac.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | type FLAC__int8 = i8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint8`
[INFO] [stdout]   --> src/codec/flac.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | type FLAC__uint8 = u8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int16`
[INFO] [stdout]   --> src/codec/flac.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | type FLAC__int16 = i16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__int64`
[INFO] [stdout]   --> src/codec/flac.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | type FLAC__int64 = i64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint16`
[INFO] [stdout]   --> src/codec/flac.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | type FLAC__uint16 = u16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__uint32`
[INFO] [stdout]   --> src/codec/flac.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | type FLAC__uint32 = u32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__bool`
[INFO] [stdout]   --> src/codec/flac.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | type FLAC__bool = cty::c_int;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__byte`
[INFO] [stdout]   --> src/codec/flac.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | type FLAC__byte = FLAC__uint8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FLAC__StreamDecoderState`
[INFO] [stdout]   --> src/codec/flac.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum FLAC__StreamDecoderState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_OK`
[INFO] [stdout]   --> src/codec/flac.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 66 |     FLAC__STREAM_DECODER_INIT_STATUS_OK = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER`
[INFO] [stdout]   --> src/codec/flac.rs:67:2
[INFO] [stdout]    |
[INFO] [stdout] 67 |     FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS`
[INFO] [stdout]   --> src/codec/flac.rs:68:2
[INFO] [stdout]    |
[INFO] [stdout] 68 |     FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR`
[INFO] [stdout]   --> src/codec/flac.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 |     FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE`
[INFO] [stdout]   --> src/codec/flac.rs:70:2
[INFO] [stdout]    |
[INFO] [stdout] 70 |     FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED`
[INFO] [stdout]   --> src/codec/flac.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_OK`
[INFO] [stdout]   --> src/codec/flac.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     FLAC__STREAM_ENCODER_INIT_STATUS_OK = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR`
[INFO] [stdout]   --> src/codec/flac.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER`
[INFO] [stdout]   --> src/codec/flac.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS`
[INFO] [stdout]   --> src/codec/flac.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS`
[INFO] [stdout]   --> src/codec/flac.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE`
[INFO] [stdout]   --> src/codec/flac.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE`
[INFO] [stdout]   --> src/codec/flac.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE`
[INFO] [stdout]   --> src/codec/flac.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER`
[INFO] [stdout]   --> src/codec/flac.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION`
[INFO] [stdout]   --> src/codec/flac.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER`
[INFO] [stdout]   --> src/codec/flac.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE`
[INFO] [stdout]   --> src/codec/flac.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA`
[INFO] [stdout]   --> src/codec/flac.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED`
[INFO] [stdout]   --> src/codec/flac.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FLAC__StreamDecoderReadStatus`
[INFO] [stdout]   --> src/codec/flac.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum FLAC__StreamDecoderReadStatus {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_WRITE_STATUS_ABORT`
[INFO] [stdout]    --> src/codec/flac.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 105 |     FLAC__STREAM_DECODER_WRITE_STATUS_ABORT,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC`
[INFO] [stdout]    --> src/codec/flac.rs:110:2
[INFO] [stdout]     |
[INFO] [stdout] 110 |     FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER`
[INFO] [stdout]    --> src/codec/flac.rs:111:2
[INFO] [stdout]     |
[INFO] [stdout] 111 |     FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH`
[INFO] [stdout]    --> src/codec/flac.rs:112:2
[INFO] [stdout]     |
[INFO] [stdout] 112 |     FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM`
[INFO] [stdout]    --> src/codec/flac.rs:113:2
[INFO] [stdout]     |
[INFO] [stdout] 113 |     FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderWriteCallback`
[INFO] [stdout]    --> src/codec/flac.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | type FLAC__StreamDecoderWriteCallback =  unsafe extern "C" fn(*mut FLAC__StreamDecoder, *mut FLAC__Frame, *mut *mut FLAC__int32, tx: *mut cty::c_void) -> FLAC__StreamDecoderWriteStatus;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderMetadataCallback`
[INFO] [stdout]    --> src/codec/flac.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | type FLAC__StreamDecoderMetadataCallback = unsafe extern "C" fn(*mut FLAC__StreamDecoder, *mut FLAC__StreamMetadata, tx: *mut cty::c_void);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamDecoderErrorCallback`
[INFO] [stdout]    --> src/codec/flac.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | type FLAC__StreamDecoderErrorCallback = unsafe extern "C" fn(*mut FLAC__StreamDecoder, FLAC__StreamDecoderErrorStatus, tx: *mut cty::c_void);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FLAC__StreamEncoderProgressCallback`
[INFO] [stdout]    --> src/codec/flac.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | / type FLAC__StreamEncoderProgressCallback = unsafe extern "C" fn(encoder: *mut FLAC__StreamEncoder,
[INFO] [stdout] 127 | |     bytes_writter: FLAC__uint64,
[INFO] [stdout] 128 | |     samples_written: FLAC__uint64,
[INFO] [stdout] 129 | |     frames_written: cty::c_uint,
[INFO] [stdout] 130 | |     total_frames_estimate: cty::c_uint,
[INFO] [stdout] 131 | |     client_data: *mut cty::c_void );
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_new`
[INFO] [stdout]    --> src/codec/flac.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn FLAC__stream_decoder_new() -> *mut FLAC__StreamDecoder;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_delete`
[INFO] [stdout]    --> src/codec/flac.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn FLAC__stream_decoder_delete(decoder: *mut FLAC__StreamDecoder);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_init_file`
[INFO] [stdout]    --> src/codec/flac.rs:138:1
[INFO] [stdout]     |
[INFO] [stdout] 138 | / fn FLAC__stream_decoder_init_file(decoder: *mut FLAC__StreamDecoder,
[INFO] [stdout] 139 | |     filename: *const cty::c_char,
[INFO] [stdout] 140 | |     write_callback: FLAC__StreamDecoderWriteCallback,
[INFO] [stdout] 141 | |     metadata_callback: FLAC__StreamDecoderMetadataCallback,
[INFO] [stdout] 142 | |     error_callback: FLAC__StreamDecoderErrorCallback,
[INFO] [stdout] 143 | |     client_data: *mut cty::c_void) -> FLAC__StreamDecoderInitStatus;
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_get_state`
[INFO] [stdout]    --> src/codec/flac.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn FLAC__stream_decoder_get_state(decoder: *const FLAC__StreamDecoder) -> FLAC__StreamDecoderState;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_set_md5_checking`
[INFO] [stdout]    --> src/codec/flac.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn FLAC__stream_decoder_set_md5_checking(decoder: *mut FLAC__StreamDecoder, value: FLAC__bool) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_process_until_end_of_stream`
[INFO] [stdout]    --> src/codec/flac.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn FLAC__stream_decoder_process_until_end_of_stream(decoder: *mut FLAC__StreamDecoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_decoder_finish`
[INFO] [stdout]    --> src/codec/flac.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn FLAC__stream_decoder_finish(decoder: *mut FLAC__StreamDecoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_new`
[INFO] [stdout]    --> src/codec/flac.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn FLAC__stream_encoder_new() -> *mut FLAC__StreamEncoder;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_init_file`
[INFO] [stdout]    --> src/codec/flac.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / fn FLAC__stream_encoder_init_file(encoder: *mut FLAC__StreamEncoder,
[INFO] [stdout] 158 | |     filename: *const cty::c_char,
[INFO] [stdout] 159 | |     progress_callback: FLAC__StreamEncoderProgressCallback,
[INFO] [stdout] 160 | |     client_data: *mut cty::c_void) -> FLAC__StreamEncoderInitStatus;
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_channels`
[INFO] [stdout]    --> src/codec/flac.rs:161:1
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn FLAC__stream_encoder_set_channels(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_bits_per_sample`
[INFO] [stdout]    --> src/codec/flac.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn FLAC__stream_encoder_set_bits_per_sample(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_set_sample_rate`
[INFO] [stdout]    --> src/codec/flac.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn FLAC__stream_encoder_set_sample_rate(encoder: *mut FLAC__StreamEncoder, value: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_process_interleaved`
[INFO] [stdout]    --> src/codec/flac.rs:164:1
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn FLAC__stream_encoder_process_interleaved(encoder: *mut FLAC__StreamEncoder, buffer: *const FLAC__int32, samples: cty::c_uint) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_finish`
[INFO] [stdout]    --> src/codec/flac.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn FLAC__stream_encoder_finish(encoder: *mut FLAC__StreamEncoder) -> FLAC__bool;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `FLAC__stream_encoder_delete`
[INFO] [stdout]    --> src/codec/flac.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn FLAC__stream_encoder_delete(encoder: *mut FLAC__StreamEncoder);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_flac`
[INFO] [stdout]    --> src/codec/flac.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn read_flac(path: &str, tx: mpsc::Sender<Frame>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_flac`
[INFO] [stdout]    --> src/codec/flac.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn write_flac(path: &str, rx: mpsc::Receiver<Frame>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "fde6587e183664132197676349d4f97cdb70a56b95cfa1452b9bf231aa99a4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde6587e183664132197676349d4f97cdb70a56b95cfa1452b9bf231aa99a4c5", kill_on_drop: false }`
[INFO] [stdout] fde6587e183664132197676349d4f97cdb70a56b95cfa1452b9bf231aa99a4c5