[INFO] fetching crate riff-wave 0.1.3...
[INFO] checking riff-wave-0.1.3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate riff-wave 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate riff-wave 0.1.3 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riff-wave 0.1.3
[INFO] finished tweaking crates.io crate riff-wave 0.1.3
[INFO] tweaked toml for crates.io crate riff-wave 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate riff-wave 0.1.3 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coreaudio-rs v0.5.0
[INFO] [stderr]   Downloaded decibel v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c91bf2bc1d916957433ef05c7bacd35b0b62154e59b3de679b92ca72296a7f34
[INFO] running `Command { std: "docker" "start" "-a" "c91bf2bc1d916957433ef05c7bacd35b0b62154e59b3de679b92ca72296a7f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91bf2bc1d916957433ef05c7bacd35b0b62154e59b3de679b92ca72296a7f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91bf2bc1d916957433ef05c7bacd35b0b62154e59b3de679b92ca72296a7f34", kill_on_drop: false }`
[INFO] [stdout] c91bf2bc1d916957433ef05c7bacd35b0b62154e59b3de679b92ca72296a7f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f333d7f8fc521dc24d81246cbefb9a08fee0a4fa9a2a82851db07227ce675ceb
[INFO] running `Command { std: "docker" "start" "-a" "f333d7f8fc521dc24d81246cbefb9a08fee0a4fa9a2a82851db07227ce675ceb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking decibel v0.1.2
[INFO] [stderr]     Checking riff-wave v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> examples/playback.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::{BufReader, BufWriter, Read, Seek, Write};
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WaveReader`
[INFO] [stdout]   --> examples/playback.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | use riff_wave::{WaveReader, WaveWriter};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_temporary_file_path` is never used
[INFO] [stdout]   --> examples/playback.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn get_temporary_file_path(name: &str) -> PathBuf {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_buffered_reader_for_path` is never used
[INFO] [stdout]   --> examples/playback.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn get_buffered_reader_for_path(path: &Path) -> io::Result<BufReader<File>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_buffered_writer_for_path` is never used
[INFO] [stdout]   --> examples/playback.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn get_buffered_writer_for_path(path: &Path) -> io::Result<BufWriter<File>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_test_sine_wave` is never used
[INFO] [stdout]   --> examples/playback.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn write_test_sine_wave<T>(writer: T, hz: u32, scale: DecibelRatio<f32>) where T: Write + Seek {    
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]    --> examples/playback.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn sine_wave(n: u32, hz: u32, scale: DecibelRatio<f32>, sample_rate: u32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "f333d7f8fc521dc24d81246cbefb9a08fee0a4fa9a2a82851db07227ce675ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f333d7f8fc521dc24d81246cbefb9a08fee0a4fa9a2a82851db07227ce675ceb", kill_on_drop: false }`
[INFO] [stdout] f333d7f8fc521dc24d81246cbefb9a08fee0a4fa9a2a82851db07227ce675ceb