[INFO] cloning repository https://github.com/g-s-k/basic-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/g-s-k/basic-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c763117368f767d87d9b566bb020cd632939a61
[INFO] testing g-s-k/basic-synth against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/g-s-k/basic-synth on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/g-s-k/basic-synth
[INFO] finished tweaking git repo https://github.com/g-s-k/basic-synth
[INFO] tweaked toml for git repo https://github.com/g-s-k/basic-synth written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/g-s-k/basic-synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d205f1caef56438b58c7082068cd32f32a1312bbe85dd1c7f808bc5efe84acab
[INFO] running `Command { std: "docker" "start" "-a" "d205f1caef56438b58c7082068cd32f32a1312bbe85dd1c7f808bc5efe84acab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d205f1caef56438b58c7082068cd32f32a1312bbe85dd1c7f808bc5efe84acab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d205f1caef56438b58c7082068cd32f32a1312bbe85dd1c7f808bc5efe84acab", kill_on_drop: false }`
[INFO] [stdout] d205f1caef56438b58c7082068cd32f32a1312bbe85dd1c7f808bc5efe84acab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b855b390c3bfd1f20f1f904776bc4df7d53d3ac5e0f3e1a40fa2f14772a40d
[INFO] running `Command { std: "docker" "start" "-a" "66b855b390c3bfd1f20f1f904776bc4df7d53d3ac5e0f3e1a40fa2f14772a40d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling midi-msg v0.3.0
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling rodio v0.14.0
[INFO] [stderr]    Compiling basic-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Sine`
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Sine,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pulse`
[INFO] [stdout]    --> src/lib.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     Pulse,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.77s
[INFO] running `Command { std: "docker" "inspect" "66b855b390c3bfd1f20f1f904776bc4df7d53d3ac5e0f3e1a40fa2f14772a40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b855b390c3bfd1f20f1f904776bc4df7d53d3ac5e0f3e1a40fa2f14772a40d", kill_on_drop: false }`
[INFO] [stdout] 66b855b390c3bfd1f20f1f904776bc4df7d53d3ac5e0f3e1a40fa2f14772a40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 919a37890992053ea1a7e08ab2169ad58c9b81764204a1224ddce6ce0c5071f2
[INFO] running `Command { std: "docker" "start" "-a" "919a37890992053ea1a7e08ab2169ad58c9b81764204a1224ddce6ce0c5071f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Sine`
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Sine,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pulse`
[INFO] [stdout]    --> src/lib.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     Pulse,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sine`
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Sine,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pulse`
[INFO] [stdout]    --> src/lib.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     Pulse,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:215:10
[INFO] [stdout]     |
[INFO] [stdout] 215 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "919a37890992053ea1a7e08ab2169ad58c9b81764204a1224ddce6ce0c5071f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919a37890992053ea1a7e08ab2169ad58c9b81764204a1224ddce6ce0c5071f2", kill_on_drop: false }`
[INFO] [stdout] 919a37890992053ea1a7e08ab2169ad58c9b81764204a1224ddce6ce0c5071f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02eae182aacbd13905b17655d68a7c897b7e343f30388be133d8ea3149d65563
[INFO] running `Command { std: "docker" "start" "-a" "02eae182aacbd13905b17655d68a7c897b7e343f30388be133d8ea3149d65563", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Sine`
[INFO] [stderr]    --> src/lib.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     Sine,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:215:10
[INFO] [stderr]     |
[INFO] [stderr] 215 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pulse`
[INFO] [stderr]    --> src/lib.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     Pulse,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Waveform` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:215:10
[INFO] [stderr]     |
[INFO] [stderr] 215 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `basic-synth` (lib) generated 2 warnings
[INFO] [stderr] warning: `basic-synth` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_synth-9bbbecae8f8e77b4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_synth_cli-54ff471501f57777)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests basic_synth
[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] [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] [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" "02eae182aacbd13905b17655d68a7c897b7e343f30388be133d8ea3149d65563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02eae182aacbd13905b17655d68a7c897b7e343f30388be133d8ea3149d65563", kill_on_drop: false }`
[INFO] [stdout] 02eae182aacbd13905b17655d68a7c897b7e343f30388be133d8ea3149d65563