[INFO] cloning repository https://github.com/davidcole1340/dca-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidcole1340/dca-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Fdca-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Fdca-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef12c11aecf4b137368816bccc7e8ae15a404a54
[INFO] checking davidcole1340/dca-rs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Fdca-rs" "/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/davidcole1340/dca-rs
[INFO] finished tweaking git repo https://github.com/davidcole1340/dca-rs
[INFO] tweaked toml for git repo https://github.com/davidcole1340/dca-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidcole1340/dca-rs on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidcole1340/dca-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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601140701cb391c91f1c7c1338eaac12f2833df7d95f5fef79047575c68f8b44
[INFO] running `Command { std: "docker" "start" "-a" "601140701cb391c91f1c7c1338eaac12f2833df7d95f5fef79047575c68f8b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601140701cb391c91f1c7c1338eaac12f2833df7d95f5fef79047575c68f8b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601140701cb391c91f1c7c1338eaac12f2833df7d95f5fef79047575c68f8b44", kill_on_drop: false }`
[INFO] [stdout] 601140701cb391c91f1c7c1338eaac12f2833df7d95f5fef79047575c68f8b44
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812d96639a1bedda5e7ac044c0156676bd7051969f783b69b87b509b078f18ad
[INFO] running `Command { std: "docker" "start" "-a" "812d96639a1bedda5e7ac044c0156676bd7051969f783b69b87b509b078f18ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling opus-sys v0.2.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking opus v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking dca-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let metadata = Metadata::new(opts.in_file.as_str(), opts.bitrate, opts.application, opts.frame_rate, opts.frame_size, opts.chann...
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode`, `volume`, `cover_format`, and `raw` are never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Options {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     mode: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     #[clap(long, default_value = "256", validator = volume_validator)]
[INFO] [stdout] 22 |     volume: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     cover_format: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 35 |     #[clap(long)]
[INFO] [stdout] 36 |     raw: bool,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is 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: `metadata`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let metadata = Metadata::new(opts.in_file.as_str(), opts.bitrate, opts.application, opts.frame_rate, opts.frame_size, opts.chann...
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode`, `volume`, `cover_format`, and `raw` are never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Options {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     mode: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     #[clap(long, default_value = "256", validator = volume_validator)]
[INFO] [stdout] 22 |     volume: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     cover_format: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 35 |     #[clap(long)]
[INFO] [stdout] 36 |     raw: bool,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is 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 11.87s
[INFO] running `Command { std: "docker" "inspect" "812d96639a1bedda5e7ac044c0156676bd7051969f783b69b87b509b078f18ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812d96639a1bedda5e7ac044c0156676bd7051969f783b69b87b509b078f18ad", kill_on_drop: false }`
[INFO] [stdout] 812d96639a1bedda5e7ac044c0156676bd7051969f783b69b87b509b078f18ad