Dec 05 08:13:46.786 INFO checking riff-wave-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:13:46.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 08:13:47.356 INFO [stdout] 5a859fe021d49605da8868f0d5805b14b266eaba398a668445f05fe5141a4faf
Dec 05 08:13:47.359 INFO running `"docker" "start" "-a" "5a859fe021d49605da8868f0d5805b14b266eaba398a668445f05fe5141a4faf"`
Dec 05 08:13:49.617 INFO [stderr] usermod: no changes
Dec 05 08:13:49.743 INFO [stderr]     Checking decibel v0.1.2
Dec 05 08:13:49.743 INFO [stderr]     Checking riff-wave v0.1.2 (/source)
Dec 05 08:13:52.479 INFO [stderr] warning: unused import: `Read`
Dec 05 08:13:52.481 INFO [stderr]   --> examples/playback.rs:23:37
Dec 05 08:13:52.481 INFO [stderr]    |
Dec 05 08:13:52.482 INFO [stderr] 23 | use std::io::{BufReader, BufWriter, Read, Seek, Write};
Dec 05 08:13:52.482 INFO [stderr]    |                                     ^^^^
Dec 05 08:13:52.482 INFO [stderr]    |
Dec 05 08:13:52.483 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 08:13:52.483 INFO [stderr] 
Dec 05 08:13:52.483 INFO [stderr] warning: unused import: `WaveReader`
Dec 05 08:13:52.484 INFO [stderr]   --> examples/playback.rs:28:17
Dec 05 08:13:52.484 INFO [stderr]    |
Dec 05 08:13:52.484 INFO [stderr] 28 | use riff_wave::{WaveReader, WaveWriter};
Dec 05 08:13:52.484 INFO [stderr]    |                 ^^^^^^^^^^
Dec 05 08:13:52.485 INFO [stderr] 
Dec 05 08:13:52.575 INFO [stderr] warning: function is never used: `get_temporary_file_path`
Dec 05 08:13:52.575 INFO [stderr]   --> examples/playback.rs:80:1
Dec 05 08:13:52.575 INFO [stderr]    |
Dec 05 08:13:52.575 INFO [stderr] 80 | fn get_temporary_file_path(name: &str) -> PathBuf {
Dec 05 08:13:52.575 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:13:52.575 INFO [stderr]    |
Dec 05 08:13:52.576 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 08:13:52.576 INFO [stderr] 
Dec 05 08:13:52.576 INFO [stderr] warning: function is never used: `get_buffered_reader_for_path`
Dec 05 08:13:52.576 INFO [stderr]   --> examples/playback.rs:86:1
Dec 05 08:13:52.576 INFO [stderr]    |
Dec 05 08:13:52.576 INFO [stderr] 86 | fn get_buffered_reader_for_path(path: &Path) -> io::Result<BufReader<File>> {
Dec 05 08:13:52.576 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:13:52.576 INFO [stderr] 
Dec 05 08:13:52.577 INFO [stderr] warning: function is never used: `get_buffered_writer_for_path`
Dec 05 08:13:52.577 INFO [stderr]   --> examples/playback.rs:92:1
Dec 05 08:13:52.577 INFO [stderr]    |
Dec 05 08:13:52.577 INFO [stderr] 92 | fn get_buffered_writer_for_path(path: &Path) -> io::Result<BufWriter<File>> {    
Dec 05 08:13:52.577 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:13:52.577 INFO [stderr] 
Dec 05 08:13:52.577 INFO [stderr] warning: function is never used: `write_test_sine_wave`
Dec 05 08:13:52.577 INFO [stderr]   --> examples/playback.rs:98:1
Dec 05 08:13:52.577 INFO [stderr]    |
Dec 05 08:13:52.577 INFO [stderr] 98 | fn write_test_sine_wave<T>(writer: T, hz: u32, scale: DecibelRatio<f32>) where T: Write + Seek {    
Dec 05 08:13:52.577 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:13:52.577 INFO [stderr] 
Dec 05 08:13:52.578 INFO [stderr] warning: function is never used: `sine_wave`
Dec 05 08:13:52.578 INFO [stderr]    --> examples/playback.rs:108:1
Dec 05 08:13:52.578 INFO [stderr]     |
Dec 05 08:13:52.578 INFO [stderr] 108 | fn sine_wave(n: u32, hz: u32, scale: DecibelRatio<f32>, sample_rate: u32) -> f32 {
Dec 05 08:13:52.578 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:13:52.578 INFO [stderr] 
Dec 05 08:13:53.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Dec 05 08:13:53.518 INFO [stderr] su: No module specific data is present
Dec 05 08:13:54.819 INFO running `"docker" "inspect" "5a859fe021d49605da8868f0d5805b14b266eaba398a668445f05fe5141a4faf"`
Dec 05 08:13:55.111 INFO running `"docker" "rm" "-f" "5a859fe021d49605da8868f0d5805b14b266eaba398a668445f05fe5141a4faf"`
Dec 05 08:13:55.350 INFO [stdout] 5a859fe021d49605da8868f0d5805b14b266eaba398a668445f05fe5141a4faf