[INFO] fetching crate oddio 0.7.4...
[INFO] checking oddio-0.7.4 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate oddio 0.7.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate oddio 0.7.4
[INFO] finished tweaking crates.io crate oddio 0.7.4
[INFO] tweaked toml for crates.io crate oddio 0.7.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oddio 0.7.4 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oddio 0.7.4 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b
[INFO] running `Command { std: "docker" "start" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking mint v0.5.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking oddio v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stdout] warning: trait `Float` is never used
[INFO] [stdout]  --> src/math/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) trait Float {
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stdout] warning: trait `Float` is never used
[INFO] [stdout]  --> src/math/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) trait Float {
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&mut [[f32; 2]]`
[INFO] [stdout]    --> src/signal.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         signal.sample(1.0, (&mut buf[..]).into());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 114 -         signal.sample(1.0, (&mut buf[..]).into());
[INFO] [stdout] 114 +         signal.sample(1.0, (&mut buf[..]));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 114 -         signal.sample(1.0, (&mut buf[..]).into());
[INFO] [stdout] 114 +         signal.sample(1.0, <&mut [[f32; 2]] as Into<_>>::into((&mut buf[..])));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oddio` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b", kill_on_drop: false }`
[INFO] [stdout] 0f556b9b745eac2213e66edfbceb8b43769eaabdf65541eda21963cb2a2f831b
