[INFO] fetching crate n_audio 1.0.1...
[INFO] checking n_audio-1.0.1 against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] extracting crate n_audio 1.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate n_audio 1.0.1 on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n_audio 1.0.1
[INFO] finished tweaking crates.io crate n_audio 1.0.1
[INFO] tweaked toml for crates.io crate n_audio 1.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 145 packages
[INFO] [stderr]       Adding alsa v0.6.0 (latest: v0.9.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding coreaudio-rs v0.10.0 (latest: v0.11.3)
[INFO] [stderr]       Adding cpal v0.13.5 (latest: v0.15.3)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
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[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
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[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-riff v0.5.4
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[INFO] [stderr]   Downloaded libpulse-simple-binding v2.28.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190c228f0bf34c9e65859911ed45eda5ab98b2737344b38e5e90b20718301269
[INFO] running `Command { std: "docker" "start" "-a" "190c228f0bf34c9e65859911ed45eda5ab98b2737344b38e5e90b20718301269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190c228f0bf34c9e65859911ed45eda5ab98b2737344b38e5e90b20718301269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190c228f0bf34c9e65859911ed45eda5ab98b2737344b38e5e90b20718301269", kill_on_drop: false }`
[INFO] [stdout] 190c228f0bf34c9e65859911ed45eda5ab98b2737344b38e5e90b20718301269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b988bb956743e9a597630c132d77db0e2a1bf2b7c1fc4782e23b086d6c8e09f
[INFO] running `Command { std: "docker" "start" "-a" "0b988bb956743e9a597630c132d77db0e2a1bf2b7c1fc4782e23b086d6c8e09f", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libpulse-sys v1.21.0
[INFO] [stderr]    Compiling libpulse-simple-sys v1.21.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking symphonia-codec-adpcm v0.5.4
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.4
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[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.4
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[INFO] [stderr]     Checking symphonia-format-mkv v0.5.4
[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.4
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[INFO] [stderr]     Checking symphonia-format-ogg v0.5.4
[INFO] [stderr]     Checking symphonia v0.5.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking libpulse-binding v2.28.1
[INFO] [stderr]     Checking libpulse-simple-binding v2.28.1
[INFO] [stderr]     Checking n_audio v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]   --> src/output.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait AudioOutput {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 13 |     fn write(&mut self, decoded: AudioBufferRef<'_>, volume: f32) -> Result<()>;
[INFO] [stdout] 14 |     fn flush(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]   --> src/output.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait AudioOutput {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 13 |     fn write(&mut self, decoded: AudioBufferRef<'_>, volume: f32) -> Result<()>;
[INFO] [stdout] 14 |     fn flush(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.21s
[INFO] running `Command { std: "docker" "inspect" "0b988bb956743e9a597630c132d77db0e2a1bf2b7c1fc4782e23b086d6c8e09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b988bb956743e9a597630c132d77db0e2a1bf2b7c1fc4782e23b086d6c8e09f", kill_on_drop: false }`
[INFO] [stdout] 0b988bb956743e9a597630c132d77db0e2a1bf2b7c1fc4782e23b086d6c8e09f