[INFO] cloning repository https://github.com/connorwalsh/fmsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connorwalsh/fmsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Ffmsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Ffmsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f09aebffab1261f5524a9057ac212988419c0dda
[INFO] testing connorwalsh/fmsynth/f09aebffab1261f5524a9057ac212988419c0dda against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Ffmsynth" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorwalsh/fmsynth on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/connorwalsh/fmsynth
[INFO] finished tweaking git repo https://github.com/connorwalsh/fmsynth
[INFO] tweaked toml for git repo https://github.com/connorwalsh/fmsynth written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/connorwalsh/fmsynth 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49c9eeaae89fcc7a4955dd99c49550ae6df7830f8ced470ac8e53df5917f874
[INFO] running `Command { std: "docker" "start" "-a" "b49c9eeaae89fcc7a4955dd99c49550ae6df7830f8ced470ac8e53df5917f874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49c9eeaae89fcc7a4955dd99c49550ae6df7830f8ced470ac8e53df5917f874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49c9eeaae89fcc7a4955dd99c49550ae6df7830f8ced470ac8e53df5917f874", kill_on_drop: false }`
[INFO] [stdout] b49c9eeaae89fcc7a4955dd99c49550ae6df7830f8ced470ac8e53df5917f874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34df2067b65a4ae0474a2c731cb2d7b12b3cb8dc60836e9361df76b842b31aa2
[INFO] running `Command { std: "docker" "start" "-a" "34df2067b65a4ae0474a2c731cb2d7b12b3cb8dc60836e9361df76b842b31aa2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling fmsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `StreamData` and `UnknownTypeOutputBuffer`
[INFO] [stdout]  --> src/synthesis/pcm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     StreamData,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     UnknownTypeOutputBuffer,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let operator = synthesis::Operator::new(
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frequency`, `amplitude`, and `sample_rate` are never read
[INFO] [stdout]  --> src/synthesis/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Operator {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 6 |     frequency: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     amplitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     sample_rate: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sine` is never constructed
[INFO] [stdout]  --> src/synthesis/waveform.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Sine {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `device` and `stream` are never read
[INFO] [stdout]   --> src/synthesis/pcm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Generator {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     event_loop: EventLoop,
[INFO] [stdout] 15 |     device: Device,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     format: Format,
[INFO] [stdout] 17 |     stream: StreamId,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "34df2067b65a4ae0474a2c731cb2d7b12b3cb8dc60836e9361df76b842b31aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34df2067b65a4ae0474a2c731cb2d7b12b3cb8dc60836e9361df76b842b31aa2", kill_on_drop: false }`
[INFO] [stdout] 34df2067b65a4ae0474a2c731cb2d7b12b3cb8dc60836e9361df76b842b31aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f284da70a7365df355376c2570da6f01dad10e98c1a8a3277e331b65678690
[INFO] running `Command { std: "docker" "start" "-a" "a6f284da70a7365df355376c2570da6f01dad10e98c1a8a3277e331b65678690", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling fmsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `StreamData` and `UnknownTypeOutputBuffer`
[INFO] [stdout]  --> src/synthesis/pcm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     StreamData,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     UnknownTypeOutputBuffer,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let operator = synthesis::Operator::new(
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frequency`, `amplitude`, and `sample_rate` are never read
[INFO] [stdout]  --> src/synthesis/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Operator {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 6 |     frequency: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     amplitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     sample_rate: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sine` is never constructed
[INFO] [stdout]  --> src/synthesis/waveform.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Sine {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `device` and `stream` are never read
[INFO] [stdout]   --> src/synthesis/pcm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Generator {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     event_loop: EventLoop,
[INFO] [stdout] 15 |     device: Device,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     format: Format,
[INFO] [stdout] 17 |     stream: StreamId,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a6f284da70a7365df355376c2570da6f01dad10e98c1a8a3277e331b65678690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f284da70a7365df355376c2570da6f01dad10e98c1a8a3277e331b65678690", kill_on_drop: false }`
[INFO] [stdout] a6f284da70a7365df355376c2570da6f01dad10e98c1a8a3277e331b65678690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aeefaa8219abafdb54ae8e2f76c6651a96088a766aa16e44d462c1b7b9378bd2
[INFO] running `Command { std: "docker" "start" "-a" "aeefaa8219abafdb54ae8e2f76c6651a96088a766aa16e44d462c1b7b9378bd2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unused imports: `StreamData` and `UnknownTypeOutputBuffer`
[INFO] [stderr]  --> src/synthesis/pcm.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     StreamData,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 9 |     UnknownTypeOutputBuffer,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operator`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let operator = synthesis::Operator::new(
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `frequency`, `amplitude`, and `sample_rate` are never read
[INFO] [stderr]  --> src/synthesis/operator.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Operator {
[INFO] [stderr]   |            -------- fields in this struct
[INFO] [stderr] 6 |     frequency: f64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 7 |     amplitude: f64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 8 |     sample_rate: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Sine` is never constructed
[INFO] [stderr]  --> src/synthesis/waveform.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Sine {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `device` and `stream` are never read
[INFO] [stderr]   --> src/synthesis/pcm.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Generator {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 14 |     event_loop: EventLoop,
[INFO] [stderr] 15 |     device: Device,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     format: Format,
[INFO] [stderr] 17 |     stream: StreamId,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fmsynth` (bin "fmsynth" test) generated 5 warnings (run `cargo fix --bin "fmsynth" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fmsynth-ba6a8d483ba1b932)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aeefaa8219abafdb54ae8e2f76c6651a96088a766aa16e44d462c1b7b9378bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeefaa8219abafdb54ae8e2f76c6651a96088a766aa16e44d462c1b7b9378bd2", kill_on_drop: false }`
[INFO] [stdout] aeefaa8219abafdb54ae8e2f76c6651a96088a766aa16e44d462c1b7b9378bd2