[INFO] cloning repository https://github.com/huangqingyun/audio-analysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huangqingyun/audio-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqingyun%2Faudio-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqingyun%2Faudio-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e7138604e8a77160ef471deb7bdeeb024ca6d0b
[INFO] checking huangqingyun/audio-analysis against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangqingyun%2Faudio-analysis" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/huangqingyun/audio-analysis
[INFO] finished tweaking git repo https://github.com/huangqingyun/audio-analysis
[INFO] tweaked toml for git repo https://github.com/huangqingyun/audio-analysis written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/huangqingyun/audio-analysis on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/huangqingyun/audio-analysis 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 12a62afd0e3276496994030d76e5843ab340426a8004e577a78dd5420ff7f18a
[INFO] running `Command { std: "docker" "start" "-a" "12a62afd0e3276496994030d76e5843ab340426a8004e577a78dd5420ff7f18a", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `frame_size`
[INFO] [stdout]   --> src/pitch_detector/pyin.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config: PitchDetectorConfig, frame_size: usize, n_states: usize) -> Self {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sample_rate`, `get_max_freq`, and `get_min_freq` are never used
[INFO] [stdout]   --> src/pitch_detector.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl PitchDetectorConfig {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn get_sample_rate(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn get_max_freq(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn get_min_freq(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/pitch_detector.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]  --> src/win_fn/hamming.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Hamming {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     window: Vec<f64>,
[INFO] [stdout] 6 |     kind: WinKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]  --> src/win_fn/hanning.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Hanning {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     kind: WinKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign_checked` is never used
[INFO] [stdout]    --> src/zero_crossing_rate.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn sign_checked<T>(x: T) -> Option<i8>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/zero_crossing_rate.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[warn(dead_code)]
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_size`
[INFO] [stdout]   --> src/pitch_detector/pyin.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config: PitchDetectorConfig, frame_size: usize, n_states: usize) -> Self {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sample_rate`, `get_max_freq`, and `get_min_freq` are never used
[INFO] [stdout]   --> src/pitch_detector.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl PitchDetectorConfig {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn get_sample_rate(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn get_max_freq(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn get_min_freq(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/pitch_detector.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign_checked` is never used
[INFO] [stdout]    --> src/zero_crossing_rate.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn sign_checked<T>(x: T) -> Option<i8>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/zero_crossing_rate.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[warn(dead_code)]
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "9a8c2fa35a230a56b7fc737961e9ca16b83fdfa32d5ec8af376786a3fa2feaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8c2fa35a230a56b7fc737961e9ca16b83fdfa32d5ec8af376786a3fa2feaeb", kill_on_drop: false }`
[INFO] [stdout] 9a8c2fa35a230a56b7fc737961e9ca16b83fdfa32d5ec8af376786a3fa2feaeb