[INFO] cloning repository https://github.com/dooyou21/dingdangdong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dooyou21/dingdangdong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdooyou21%2Fdingdangdong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdooyou21%2Fdingdangdong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bddf15980d755cf18790a9aacc9aeef7b35ba940
[INFO] checking dooyou21/dingdangdong against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdooyou21%2Fdingdangdong" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dooyou21/dingdangdong
[INFO] finished tweaking git repo https://github.com/dooyou21/dingdangdong
[INFO] tweaked toml for git repo https://github.com/dooyou21/dingdangdong written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dooyou21/dingdangdong on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dooyou21/dingdangdong 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 ringbuf v0.4.8
[INFO] [stderr]   Downloaded readkey v0.1.7
[INFO] [stderr]   Downloaded device_query v1.1.3
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.16
[INFO] [stderr]   Downloaded cc v1.2.9
[INFO] [stderr]   Downloaded winnow v0.6.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcff0a2b6b085535acd004cf8bd30fca3ec27974dd7760c697d8987ec6c17af2
[INFO] running `Command { std: "docker" "start" "-a" "dcff0a2b6b085535acd004cf8bd30fca3ec27974dd7760c697d8987ec6c17af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcff0a2b6b085535acd004cf8bd30fca3ec27974dd7760c697d8987ec6c17af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcff0a2b6b085535acd004cf8bd30fca3ec27974dd7760c697d8987ec6c17af2", kill_on_drop: false }`
[INFO] [stdout] dcff0a2b6b085535acd004cf8bd30fca3ec27974dd7760c697d8987ec6c17af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 127d0d4d8cac4de15ef93fdcd8b5525ab7ecee9840917d896251bcb704c58ca2
[INFO] running `Command { std: "docker" "start" "-a" "127d0d4d8cac4de15ef93fdcd8b5525ab7ecee9840917d896251bcb704c58ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling device_query v1.1.3
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking ringbuf v0.4.8
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking dingdangdong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:241:42
[INFO] [stdout]     |
[INFO] [stdout] 241 | ...                   if let Some((note, _, envelope)) = notes.get_mut(&key) {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Square`, `Sawtooth`, and `Triangle` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Oscillator {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 14 |     Sine,
[INFO] [stdout] 15 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Sawtooth,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     Triangle,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Oscillator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:241:42
[INFO] [stdout]     |
[INFO] [stdout] 241 | ...                   if let Some((note, _, envelope)) = notes.get_mut(&key) {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Square`, `Sawtooth`, and `Triangle` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Oscillator {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 14 |     Sine,
[INFO] [stdout] 15 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Sawtooth,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     Triangle,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Oscillator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "127d0d4d8cac4de15ef93fdcd8b5525ab7ecee9840917d896251bcb704c58ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127d0d4d8cac4de15ef93fdcd8b5525ab7ecee9840917d896251bcb704c58ca2", kill_on_drop: false }`
[INFO] [stdout] 127d0d4d8cac4de15ef93fdcd8b5525ab7ecee9840917d896251bcb704c58ca2
