[INFO] fetching crate audio_samples 0.1.0...
[INFO] checking audio_samples-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate audio_samples 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate audio_samples 0.1.0
[INFO] finished tweaking crates.io crate audio_samples 0.1.0
[INFO] tweaked toml for crates.io crate audio_samples 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate audio_samples 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate audio_samples 0.1.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 685d094b4ba8739f19aefc28d7e587a136e2ad5e849c4d4b3933c494538a2fa0
[INFO] running `Command { std: "docker" "start" "-a" "685d094b4ba8739f19aefc28d7e587a136e2ad5e849c4d4b3933c494538a2fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685d094b4ba8739f19aefc28d7e587a136e2ad5e849c4d4b3933c494538a2fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685d094b4ba8739f19aefc28d7e587a136e2ad5e849c4d4b3933c494538a2fa0", kill_on_drop: false }`
[INFO] [stdout] 685d094b4ba8739f19aefc28d7e587a136e2ad5e849c4d4b3933c494538a2fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde2d71b604540b5f5bb4514146f6a61ed7411dd016defac8b076e80ae0f5124
[INFO] running `Command { std: "docker" "start" "-a" "cde2d71b604540b5f5bb4514146f6a61ed7411dd016defac8b076e80ae0f5124", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking inventory v0.3.20
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking approx_eq v0.1.8
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]    Compiling pyo3-build-config v0.24.2
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking rustfft v6.4.0
[INFO] [stderr]    Compiling pyo3-ffi v0.24.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.2
[INFO] [stderr]    Compiling pyo3 v0.24.2
[INFO] [stderr]    Compiling numpy v0.24.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling pyo3-macros v0.24.2
[INFO] [stderr]     Checking i24 v2.1.0
[INFO] [stderr]     Checking audio_samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/python/mod.rs:772:55
[INFO] [stdout]     |
[INFO] [stdout] 772 | fn from_numpy(array: &Bound<PyAny>, sample_rate: u32, copy: bool) -> PyResult<PyAudioSamples> {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `I24` is never constructed
[INFO] [stdout]   --> src/python/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) enum AudioSamplesData {
[INFO] [stdout]    |                 ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     I24(AudioSamples<I24>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AudioSamplesData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]     --> src/python/mod.rs:1051:19
[INFO] [stdout]      |
[INFO] [stdout] 1049 | impl PyAudioSamples {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] 1050 |     /// Get a reference to the inner AudioSamplesData for use in submodules
[INFO] [stdout] 1051 |     pub(crate) fn data(&self) -> &crate::python::AudioSamplesData {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dtype_impl` is never used
[INFO] [stdout]    --> src/python/conversions.rs:340:19
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl PyAudioSamples {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 340 |     pub(crate) fn dtype_impl(&self) -> &'static str {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_pylist_f64` is never used
[INFO] [stdout]    --> src/python/utils.rs:371:8
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub fn vec_to_pylist_f64(py: Python, vec: Vec<f64>) -> PyResult<PyObject> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/operations/types.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[derive(Debug, Clone, PartialEq, Copy)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Custom(fn(f64) -> f64),
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |     const fn bytes_per_sample(&self) -> usize {
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyAudioSamples, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:299:23
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn copy(&self) -> Self {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:308:23
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn peak(&self) -> f64 {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:314:22
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn min(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:320:22
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn max(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:326:22
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn rms(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn variance(&self) -> f64 {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:370:26
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn std_dev(&self) -> f64 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn zero_crossings(&self) -> usize {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:382:37
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn zero_crossing_rate(&self) -> f64 {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:442:30
[INFO] [stdout]     |
[INFO] [stdout] 442 |     fn test_method(&self) -> f64 {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_samples` (lib) due to 11 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/python/mod.rs:772:55
[INFO] [stdout]     |
[INFO] [stdout] 772 | fn from_numpy(array: &Bound<PyAny>, sample_rate: u32, copy: bool) -> PyResult<PyAudioSamples> {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `I24` is never constructed
[INFO] [stdout]   --> src/python/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) enum AudioSamplesData {
[INFO] [stdout]    |                 ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     I24(AudioSamples<I24>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AudioSamplesData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]     --> src/python/mod.rs:1051:19
[INFO] [stdout]      |
[INFO] [stdout] 1049 | impl PyAudioSamples {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] 1050 |     /// Get a reference to the inner AudioSamplesData for use in submodules
[INFO] [stdout] 1051 |     pub(crate) fn data(&self) -> &crate::python::AudioSamplesData {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dtype_impl` is never used
[INFO] [stdout]    --> src/python/conversions.rs:340:19
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl PyAudioSamples {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 340 |     pub(crate) fn dtype_impl(&self) -> &'static str {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_pylist_f64` is never used
[INFO] [stdout]    --> src/python/utils.rs:371:8
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub fn vec_to_pylist_f64(py: Python, vec: Vec<f64>) -> PyResult<PyObject> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/operations/types.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[derive(Debug, Clone, PartialEq, Copy)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Custom(fn(f64) -> f64),
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |     const fn bytes_per_sample(&self) -> usize {
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyAudioSamples, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:299:23
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn copy(&self) -> Self {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:308:23
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn peak(&self) -> f64 {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:314:22
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn min(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:320:22
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn max(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:326:22
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn rms(&self) -> f64 {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn variance(&self) -> f64 {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:370:26
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn std_dev(&self) -> f64 {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn zero_crossings(&self) -> usize {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:382:37
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn zero_crossing_rate(&self) -> f64 {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/python/mod.rs:442:30
[INFO] [stdout]     |
[INFO] [stdout] 442 |     fn test_method(&self) -> f64 {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_samples` (lib test) due to 11 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cde2d71b604540b5f5bb4514146f6a61ed7411dd016defac8b076e80ae0f5124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde2d71b604540b5f5bb4514146f6a61ed7411dd016defac8b076e80ae0f5124", kill_on_drop: false }`
[INFO] [stdout] cde2d71b604540b5f5bb4514146f6a61ed7411dd016defac8b076e80ae0f5124
