Dec 18 12:19:38.656 INFO checking riff-wave-0.1.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:19:38.656 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/riff-wave/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:19:39.068 INFO [stdout] c1bca471a49ba213f7c9fb8a5bf65b416aef00ad6c887e1ef023ae780dc41fd4
Dec 18 12:19:39.074 INFO running `"docker" "start" "-a" "c1bca471a49ba213f7c9fb8a5bf65b416aef00ad6c887e1ef023ae780dc41fd4"`
Dec 18 12:19:40.634 INFO [stderr]     Checking decibel v0.1.2
Dec 18 12:19:40.634 INFO [stderr]     Checking riff-wave v0.1.2 (/opt/crater/workdir)
Dec 18 12:19:42.312 INFO [stderr] warning: unused import: `Read`
Dec 18 12:19:42.312 INFO [stderr]   --> examples/playback.rs:23:37
Dec 18 12:19:42.312 INFO [stderr]    |
Dec 18 12:19:42.312 INFO [stderr] 23 | use std::io::{BufReader, BufWriter, Read, Seek, Write};
Dec 18 12:19:42.312 INFO [stderr]    |                                     ^^^^
Dec 18 12:19:42.332 INFO [stderr]    |
Dec 18 12:19:42.332 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:19:42.332 INFO [stderr] 
Dec 18 12:19:42.332 INFO [stderr] warning: unused import: `WaveReader`
Dec 18 12:19:42.332 INFO [stderr]   --> examples/playback.rs:28:17
Dec 18 12:19:42.332 INFO [stderr]    |
Dec 18 12:19:42.332 INFO [stderr] 28 | use riff_wave::{WaveReader, WaveWriter};
Dec 18 12:19:42.332 INFO [stderr]    |                 ^^^^^^^^^^
Dec 18 12:19:42.332 INFO [stderr] 
Dec 18 12:19:42.414 INFO [stderr] warning: function is never used: `get_temporary_file_path`
Dec 18 12:19:42.414 INFO [stderr]   --> examples/playback.rs:80:1
Dec 18 12:19:42.414 INFO [stderr]    |
Dec 18 12:19:42.414 INFO [stderr] 80 | fn get_temporary_file_path(name: &str) -> PathBuf {
Dec 18 12:19:42.414 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:19:42.414 INFO [stderr]    |
Dec 18 12:19:42.414 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 12:19:42.414 INFO [stderr] 
Dec 18 12:19:42.414 INFO [stderr] warning: function is never used: `get_buffered_reader_for_path`
Dec 18 12:19:42.414 INFO [stderr]   --> examples/playback.rs:86:1
Dec 18 12:19:42.414 INFO [stderr]    |
Dec 18 12:19:42.414 INFO [stderr] 86 | fn get_buffered_reader_for_path(path: &Path) -> io::Result<BufReader<File>> {
Dec 18 12:19:42.414 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:19:42.415 INFO [stderr] 
Dec 18 12:19:42.415 INFO [stderr] warning: function is never used: `get_buffered_writer_for_path`
Dec 18 12:19:42.415 INFO [stderr]   --> examples/playback.rs:92:1
Dec 18 12:19:42.415 INFO [stderr]    |
Dec 18 12:19:42.415 INFO [stderr] 92 | fn get_buffered_writer_for_path(path: &Path) -> io::Result<BufWriter<File>> {    
Dec 18 12:19:42.415 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:19:42.415 INFO [stderr] 
Dec 18 12:19:42.415 INFO [stderr] warning: function is never used: `write_test_sine_wave`
Dec 18 12:19:42.415 INFO [stderr]   --> examples/playback.rs:98:1
Dec 18 12:19:42.415 INFO [stderr]    |
Dec 18 12:19:42.415 INFO [stderr] 98 | fn write_test_sine_wave<T>(writer: T, hz: u32, scale: DecibelRatio<f32>) where T: Write + Seek {    
Dec 18 12:19:42.415 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:19:42.415 INFO [stderr] 
Dec 18 12:19:42.415 INFO [stderr] warning: function is never used: `sine_wave`
Dec 18 12:19:42.415 INFO [stderr]    --> examples/playback.rs:108:1
Dec 18 12:19:42.415 INFO [stderr]     |
Dec 18 12:19:42.415 INFO [stderr] 108 | fn sine_wave(n: u32, hz: u32, scale: DecibelRatio<f32>, sample_rate: u32) -> f32 {
Dec 18 12:19:42.415 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:19:42.415 INFO [stderr] 
Dec 18 12:19:43.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
Dec 18 12:19:43.985 INFO running `"docker" "inspect" "c1bca471a49ba213f7c9fb8a5bf65b416aef00ad6c887e1ef023ae780dc41fd4"`
Dec 18 12:19:44.348 INFO running `"docker" "rm" "-f" "c1bca471a49ba213f7c9fb8a5bf65b416aef00ad6c887e1ef023ae780dc41fd4"`
Dec 18 12:19:44.664 INFO [stdout] c1bca471a49ba213f7c9fb8a5bf65b416aef00ad6c887e1ef023ae780dc41fd4