[INFO] cloning repository https://github.com/tuzz/audio_mixer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/audio_mixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Faudio_mixer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Faudio_mixer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44e21870208fc92ecbd159d9a7a44501547e1a1d
[INFO] testing tuzz/audio_mixer against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Faudio_mixer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tuzz/audio_mixer
[INFO] finished tweaking git repo https://github.com/tuzz/audio_mixer
[INFO] tweaked toml for git repo https://github.com/tuzz/audio_mixer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tuzz/audio_mixer on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tuzz/audio_mixer 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7683abfeb85dcf39c484ecfdb27c9710f96dd51af13428d1c49636e6a8c32e19
[INFO] running `Command { std: "docker" "start" "-a" "7683abfeb85dcf39c484ecfdb27c9710f96dd51af13428d1c49636e6a8c32e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7683abfeb85dcf39c484ecfdb27c9710f96dd51af13428d1c49636e6a8c32e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7683abfeb85dcf39c484ecfdb27c9710f96dd51af13428d1c49636e6a8c32e19", kill_on_drop: false }`
[INFO] [stdout] 7683abfeb85dcf39c484ecfdb27c9710f96dd51af13428d1c49636e6a8c32e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8be60b551983d2cb1c91120f70c77acc71ffc90691e77dfaffc4842b96383f3
[INFO] running `Command { std: "docker" "start" "-a" "e8be60b551983d2cb1c91120f70c77acc71ffc90691e77dfaffc4842b96383f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling cpal v0.14.2
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling audio_mixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/audio_recorder.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<[f32]> {
[INFO] [stdout]    |                                         ^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<'_, [f32]> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "e8be60b551983d2cb1c91120f70c77acc71ffc90691e77dfaffc4842b96383f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8be60b551983d2cb1c91120f70c77acc71ffc90691e77dfaffc4842b96383f3", kill_on_drop: false }`
[INFO] [stdout] e8be60b551983d2cb1c91120f70c77acc71ffc90691e77dfaffc4842b96383f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9871971654e4b17e22f70a0091ab4fc3d22681a1f2908b9651589159b38bedf
[INFO] running `Command { std: "docker" "start" "-a" "c9871971654e4b17e22f70a0091ab4fc3d22681a1f2908b9651589159b38bedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio_mixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/audio_recorder.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<[f32]> {
[INFO] [stdout]    |                                         ^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<'_, [f32]> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/stopping_when_muted.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `audio_mixer::WavDecoder`
[INFO] [stdout]  --> examples/recording_audio.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use audio_mixer::{AudioMixer, IntoChannels, IntoSampleRate, WavDecoder};
[INFO] [stdout]   |                                                             ^^^^^^^^^^ no `WavDecoder` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/skipping_when_muted.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hound`
[INFO] [stdout]  --> examples/recording_audio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{WavWriter, WavSpec, SampleFormat};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `hound`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `hound`, use `cargo add hound` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `audio_mixer::WavDecoder`
[INFO] [stdout]  --> examples/wav_file.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use audio_mixer::{AudioMixer, IntoChannels, IntoSampleRate, WavDecoder};
[INFO] [stdout]   |                                                             ^^^^^^^^^^ no `WavDecoder` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "recording_audio") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `audio_mixer::OggDecoder`
[INFO] [stdout]  --> examples/ogg_file.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use audio_mixer::{AudioMixer, IntoChannels, IntoSampleRate, OggDecoder};
[INFO] [stdout]   |                                                             ^^^^^^^^^^ no `OggDecoder` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "wav_file") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "stopping_when_muted") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `audio_mixer::OggDecoder`
[INFO] [stdout]  --> examples/buffer_reuse.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use audio_mixer::{AudioMixer, IntoChannels, IntoSampleRate, OggDecoder, ReusableBuffer};
[INFO] [stdout]   |                                                             ^^^^^^^^^^ no `OggDecoder` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "skipping_when_muted") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "ogg_file") due to 1 previous error
[INFO] [stderr] error: could not compile `audio_mixer` (example "buffer_reuse") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/low_pass.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "low_pass") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `audio_mixer::OggDecoder`
[INFO] [stdout]  --> examples/reverse_stereo.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use audio_mixer::{AudioMixer, IntoChannels, IntoSampleRate, OggDecoder};
[INFO] [stdout]   |                                                             ^^^^^^^^^^ no `OggDecoder` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "reverse_stereo") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/buffer_seeking.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "buffer_seeking") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/pan_left_to_right.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "pan_left_to_right") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/pausing_when_muted.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OggDecoder`
[INFO] [stdout]   --> examples/stopping_playback.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |   let decoder = OggDecoder::new(cursor).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `OggDecoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_mixer` (example "stopping_playback") due to 1 previous error
[INFO] [stderr] error: could not compile `audio_mixer` (example "pausing_when_muted") due to 1 previous error
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/audio_recorder.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<[f32]> {
[INFO] [stdout]    |                                         ^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn into_f32_samples<S: Sample>(samples: &[S]) -> Cow<'_, [f32]> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9871971654e4b17e22f70a0091ab4fc3d22681a1f2908b9651589159b38bedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9871971654e4b17e22f70a0091ab4fc3d22681a1f2908b9651589159b38bedf", kill_on_drop: false }`
[INFO] [stdout] c9871971654e4b17e22f70a0091ab4fc3d22681a1f2908b9651589159b38bedf