[INFO] cloning repository https://github.com/trdthg/pitchlib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trdthg/pitchlib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrdthg%2Fpitchlib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrdthg%2Fpitchlib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17ed115ea945d6dbedc9f694102b3221e0103cc6
[INFO] checking trdthg/pitchlib-rs against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrdthg%2Fpitchlib-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trdthg/pitchlib-rs
[INFO] finished tweaking git repo https://github.com/trdthg/pitchlib-rs
[INFO] tweaked toml for git repo https://github.com/trdthg/pitchlib-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trdthg/pitchlib-rs on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trdthg/pitchlib-rs 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking trdthg/pitchlib-rs against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrdthg%2Fpitchlib-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trdthg/pitchlib-rs
[INFO] finished tweaking git repo https://github.com/trdthg/pitchlib-rs
[INFO] tweaked toml for git repo https://github.com/trdthg/pitchlib-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trdthg/pitchlib-rs on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trdthg/pitchlib-rs 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded windows-result v0.1.0
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.15
[INFO] [stderr]   Downloaded rustfft v6.2.0
[INFO] [stderr]   Downloaded jobserver v0.1.28
[INFO] [stderr]   Downloaded alsa v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8
[INFO] running `Command { std: "docker" "start" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking alsa v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking pitchlib-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/main.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |             let num_samples = (duration_secs as f32 * sample_rate) as usize;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8", kill_on_drop: false }`
[INFO] [stdout] 1659f3e2d512f5892cc51e0a5cebc139e9a7d86aae52816c8dd0a4e50574f8d8
