[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 beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Ffmsynth" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorwalsh/fmsynth on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c580afd0b5fd0f08c1be235ddc15d8a0e16a8c9410053b1b9416ed782fe6b68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c580afd0b5fd0f08c1be235ddc15d8a0e16a8c9410053b1b9416ed782fe6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c580afd0b5fd0f08c1be235ddc15d8a0e16a8c9410053b1b9416ed782fe6b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c580afd0b5fd0f08c1be235ddc15d8a0e16a8c9410053b1b9416ed782fe6b68", kill_on_drop: false }`
[INFO] [stdout] 7c580afd0b5fd0f08c1be235ddc15d8a0e16a8c9410053b1b9416ed782fe6b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e618b1743b823658cf54ae03d3ece6a9b6398c675034620725096d935eedd440
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e618b1743b823658cf54ae03d3ece6a9b6398c675034620725096d935eedd440", kill_on_drop: false }`
[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: field is never read: `frequency`
[INFO] [stdout]  --> src/synthesis/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frequency: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amplitude`
[INFO] [stdout]  --> src/synthesis/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     amplitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]  --> src/synthesis/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sample_rate: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sine`
[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: field is never read: `device`
[INFO] [stdout]   --> src/synthesis/pcm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     device: Device,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/synthesis/pcm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stream: StreamId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "e618b1743b823658cf54ae03d3ece6a9b6398c675034620725096d935eedd440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e618b1743b823658cf54ae03d3ece6a9b6398c675034620725096d935eedd440", kill_on_drop: false }`
[INFO] [stdout] e618b1743b823658cf54ae03d3ece6a9b6398c675034620725096d935eedd440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5d2fb82a8829b569dec12c8116bbf379390ba0f5292e1f01ebcd69c920c536
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b5d2fb82a8829b569dec12c8116bbf379390ba0f5292e1f01ebcd69c920c536", 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: field is never read: `frequency`
[INFO] [stdout]  --> src/synthesis/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     frequency: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amplitude`
[INFO] [stdout]  --> src/synthesis/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     amplitude: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]  --> src/synthesis/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sample_rate: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sine`
[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: field is never read: `device`
[INFO] [stdout]   --> src/synthesis/pcm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     device: Device,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/synthesis/pcm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stream: StreamId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4b5d2fb82a8829b569dec12c8116bbf379390ba0f5292e1f01ebcd69c920c536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5d2fb82a8829b569dec12c8116bbf379390ba0f5292e1f01ebcd69c920c536", kill_on_drop: false }`
[INFO] [stdout] 4b5d2fb82a8829b569dec12c8116bbf379390ba0f5292e1f01ebcd69c920c536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e9b73afe1d9d2f2866a13c33e49e9c80e693ccf4c72ebdec001c5004a40c212
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e9b73afe1d9d2f2866a13c33e49e9c80e693ccf4c72ebdec001c5004a40c212", 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: field is never read: `frequency`
[INFO] [stderr]  --> src/synthesis/operator.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     frequency: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `amplitude`
[INFO] [stderr]  --> src/synthesis/operator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     amplitude: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sample_rate`
[INFO] [stderr]  --> src/synthesis/operator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     sample_rate: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Sine`
[INFO] [stderr]  --> src/synthesis/waveform.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Sine {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `device`
[INFO] [stderr]   --> src/synthesis/pcm.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     device: Device,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stream`
[INFO] [stderr]   --> src/synthesis/pcm.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     stream: StreamId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fmsynth-7c5cf361d441f1c7
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e9b73afe1d9d2f2866a13c33e49e9c80e693ccf4c72ebdec001c5004a40c212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9b73afe1d9d2f2866a13c33e49e9c80e693ccf4c72ebdec001c5004a40c212", kill_on_drop: false }`
[INFO] [stdout] 1e9b73afe1d9d2f2866a13c33e49e9c80e693ccf4c72ebdec001c5004a40c212
