[INFO] cloning repository https://github.com/lukeweston1234/rust-audio-recording-and-playback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeweston1234/rust-audio-recording-and-playback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Frust-audio-recording-and-playback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Frust-audio-recording-and-playback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96ca1fe5e48682c34ede956e2865edddb09d6321
[INFO] checking lukeweston1234/rust-audio-recording-and-playback against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Frust-audio-recording-and-playback" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukeweston1234/rust-audio-recording-and-playback on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukeweston1234/rust-audio-recording-and-playback
[INFO] finished tweaking git repo https://github.com/lukeweston1234/rust-audio-recording-and-playback
[INFO] tweaked toml for git repo https://github.com/lukeweston1234/rust-audio-recording-and-playback written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lukeweston1234/rust-audio-recording-and-playback 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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5679c8cb0f67247624ac314e13f935fe135b3a0447438d0431e5869e3ca2f4c9
[INFO] running `Command { std: "docker" "start" "-a" "5679c8cb0f67247624ac314e13f935fe135b3a0447438d0431e5869e3ca2f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5679c8cb0f67247624ac314e13f935fe135b3a0447438d0431e5869e3ca2f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5679c8cb0f67247624ac314e13f935fe135b3a0447438d0431e5869e3ca2f4c9", kill_on_drop: false }`
[INFO] [stdout] 5679c8cb0f67247624ac314e13f935fe135b3a0447438d0431e5869e3ca2f4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a055f4e145112a8e456408c148d741df03c93bc4bfea29858b7a0adfd58764c4
[INFO] running `Command { std: "docker" "start" "-a" "a055f4e145112a8e456408c148d741df03c93bc4bfea29858b7a0adfd58764c4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking dasp_ring_buffer v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking dasp_window v0.11.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking dasp_peak v0.11.0
[INFO] [stderr]     Checking dasp_rms v0.11.0
[INFO] [stderr]     Checking dasp_interpolate v0.11.0
[INFO] [stderr]     Checking dasp_slice v0.11.0
[INFO] [stderr]     Checking dasp_envelope v0.11.0
[INFO] [stderr]     Checking dasp_signal v0.11.0
[INFO] [stderr]     Checking dasp v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking rust_looper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Metronome` is never constructed
[INFO] [stdout]    --> src/audio.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct Metronome {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metronome` is never constructed
[INFO] [stdout]    --> src/audio.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct Metronome {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "a055f4e145112a8e456408c148d741df03c93bc4bfea29858b7a0adfd58764c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a055f4e145112a8e456408c148d741df03c93bc4bfea29858b7a0adfd58764c4", kill_on_drop: false }`
[INFO] [stdout] a055f4e145112a8e456408c148d741df03c93bc4bfea29858b7a0adfd58764c4