[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 against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Ffmsynth" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorwalsh/fmsynth on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-7-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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d48e291ab06707bad9d98eb81169fb6e7507c35224edb11d6400c950529c895
[INFO] running `Command { std: "docker" "start" "-a" "7d48e291ab06707bad9d98eb81169fb6e7507c35224edb11d6400c950529c895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d48e291ab06707bad9d98eb81169fb6e7507c35224edb11d6400c950529c895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d48e291ab06707bad9d98eb81169fb6e7507c35224edb11d6400c950529c895", kill_on_drop: false }`
[INFO] [stdout] 7d48e291ab06707bad9d98eb81169fb6e7507c35224edb11d6400c950529c895
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6310e638590ed3e081bc60aa8814c3d9650827b1795ad77f2f84a7820c7c84c2
[INFO] running `Command { std: "docker" "start" "-a" "6310e638590ed3e081bc60aa8814c3d9650827b1795ad77f2f84a7820c7c84c2", kill_on_drop: false }`
[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`, `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 [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "6310e638590ed3e081bc60aa8814c3d9650827b1795ad77f2f84a7820c7c84c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6310e638590ed3e081bc60aa8814c3d9650827b1795ad77f2f84a7820c7c84c2", kill_on_drop: false }`
[INFO] [stdout] 6310e638590ed3e081bc60aa8814c3d9650827b1795ad77f2f84a7820c7c84c2
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e63ad34c8c6b70eb9a5bf40de50ee791a351c72b2c37f314318749a7ce5445
[INFO] running `Command { std: "docker" "start" "-a" "72e63ad34c8c6b70eb9a5bf40de50ee791a351c72b2c37f314318749a7ce5445", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `StreamData`, `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 [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "72e63ad34c8c6b70eb9a5bf40de50ee791a351c72b2c37f314318749a7ce5445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e63ad34c8c6b70eb9a5bf40de50ee791a351c72b2c37f314318749a7ce5445", kill_on_drop: false }`
[INFO] [stdout] 72e63ad34c8c6b70eb9a5bf40de50ee791a351c72b2c37f314318749a7ce5445
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d58cebb72bdc0a318248cfb6de97b9dad5ffa0f7032d273ec389b25f31ceeee
[INFO] running `Command { std: "docker" "start" "-a" "1d58cebb72bdc0a318248cfb6de97b9dad5ffa0f7032d273ec389b25f31ceeee", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `StreamData`, `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 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fmsynth-5a915ae9d906fda9)
[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" "1d58cebb72bdc0a318248cfb6de97b9dad5ffa0f7032d273ec389b25f31ceeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d58cebb72bdc0a318248cfb6de97b9dad5ffa0f7032d273ec389b25f31ceeee", kill_on_drop: false }`
[INFO] [stdout] 1d58cebb72bdc0a318248cfb6de97b9dad5ffa0f7032d273ec389b25f31ceeee