[INFO] cloning repository https://github.com/siddu015/acoustic_echo_cancellation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siddu015/acoustic_echo_cancellation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiddu015%2Facoustic_echo_cancellation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiddu015%2Facoustic_echo_cancellation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecbec876ccd3918484a650138cecc15a8ebcdd55
[INFO] checking siddu015/acoustic_echo_cancellation against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiddu015%2Facoustic_echo_cancellation" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/siddu015/acoustic_echo_cancellation on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/siddu015/acoustic_echo_cancellation
[INFO] finished tweaking git repo https://github.com/siddu015/acoustic_echo_cancellation
[INFO] tweaked toml for git repo https://github.com/siddu015/acoustic_echo_cancellation written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/siddu015/acoustic_echo_cancellation 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc9ba2ed6dff1c9b5909f0f6e73c68b94c49ea122abd86ffd5f73f0a3519d9d
[INFO] running `Command { std: "docker" "start" "-a" "3cc9ba2ed6dff1c9b5909f0f6e73c68b94c49ea122abd86ffd5f73f0a3519d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc9ba2ed6dff1c9b5909f0f6e73c68b94c49ea122abd86ffd5f73f0a3519d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc9ba2ed6dff1c9b5909f0f6e73c68b94c49ea122abd86ffd5f73f0a3519d9d", kill_on_drop: false }`
[INFO] [stdout] 3cc9ba2ed6dff1c9b5909f0f6e73c68b94c49ea122abd86ffd5f73f0a3519d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3e4d3964bc72393935b33a5c177e12aff1ef5aadd33bc5de9f5e10426648819
[INFO] running `Command { std: "docker" "start" "-a" "a3e4d3964bc72393935b33a5c177e12aff1ef5aadd33bc5de9f5e10426648819", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking acoustic_echo_cancellation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut mu = 0.002; // Lower learning rate for better convergence
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_DELAY` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ECHO_DELAY: usize = 4410; // ~100ms delay at 44.1kHz
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_ATTENUATION` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ECHO_ATTENUATION: f32 = 0.5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut mu = 0.002; // Lower learning rate for better convergence
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_DELAY` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ECHO_DELAY: usize = 4410; // ~100ms delay at 44.1kHz
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_ATTENUATION` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ECHO_ATTENUATION: f32 = 0.5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "a3e4d3964bc72393935b33a5c177e12aff1ef5aadd33bc5de9f5e10426648819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e4d3964bc72393935b33a5c177e12aff1ef5aadd33bc5de9f5e10426648819", kill_on_drop: false }`
[INFO] [stdout] a3e4d3964bc72393935b33a5c177e12aff1ef5aadd33bc5de9f5e10426648819
