[INFO] cloning repository https://github.com/fooker/soundwire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fooker/soundwire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fsoundwire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fsoundwire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5f64bce10c8f413bb6d03e6251f7c236d5142be
[INFO] checking fooker/soundwire against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fsoundwire" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/fooker/soundwire
[INFO] finished tweaking git repo https://github.com/fooker/soundwire
[INFO] tweaked toml for git repo https://github.com/fooker/soundwire written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fooker/soundwire on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fooker/soundwire 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a43d04747b58bc91ad60f4d44b27c80843b0dabaec11563e4bfa895877f75051
[INFO] running `Command { std: "docker" "start" "-a" "a43d04747b58bc91ad60f4d44b27c80843b0dabaec11563e4bfa895877f75051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a43d04747b58bc91ad60f4d44b27c80843b0dabaec11563e4bfa895877f75051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43d04747b58bc91ad60f4d44b27c80843b0dabaec11563e4bfa895877f75051", kill_on_drop: false }`
[INFO] [stdout] a43d04747b58bc91ad60f4d44b27c80843b0dabaec11563e4bfa895877f75051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf52e034843f147a41725d3d3cfe7829d6f00b2e469de7f0ae94db27a2fe95c
[INFO] running `Command { std: "docker" "start" "-a" "baf52e034843f147a41725d3d3cfe7829d6f00b2e469de7f0ae94db27a2fe95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking alsa v0.9.0
[INFO] [stderr]     Checking ringbuf v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking soundwire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_upcasting)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_upcasting)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device` is never read
[INFO] [stdout]   --> src/config.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct DeviceSink {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 63 |     pub device: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceSink` 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: field `device` is never read
[INFO] [stdout]   --> src/config.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct DeviceSource {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 84 |     pub device: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/sink.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Sink {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     pub kind: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `idle` is never used
[INFO] [stdout]   --> src/source.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait SourceCallback: Send {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 23 |     fn data(&mut self, data: &[i16]);
[INFO] [stdout] 24 |     fn idle(&mut self);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device` is never read
[INFO] [stdout]   --> src/config.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct DeviceSink {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 63 |     pub device: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceSink` 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: field `device` is never read
[INFO] [stdout]   --> src/config.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct DeviceSource {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 84 |     pub device: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/sink.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Sink {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     pub kind: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `idle` is never used
[INFO] [stdout]   --> src/source.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait SourceCallback: Send {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 23 |     fn data(&mut self, data: &[i16]);
[INFO] [stdout] 24 |     fn idle(&mut self);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "baf52e034843f147a41725d3d3cfe7829d6f00b2e469de7f0ae94db27a2fe95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf52e034843f147a41725d3d3cfe7829d6f00b2e469de7f0ae94db27a2fe95c", kill_on_drop: false }`
[INFO] [stdout] baf52e034843f147a41725d3d3cfe7829d6f00b2e469de7f0ae94db27a2fe95c