[INFO] fetching crate snd 0.0.0...
[INFO] testing snd-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate snd 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snd 0.0.0
[INFO] finished tweaking crates.io crate snd 0.0.0
[INFO] tweaked toml for crates.io crate snd 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snd 0.0.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding cpal v0.8.2 (available: v0.16.0)
[INFO] [stderr]       Adding float-cmp v0.4.0 (available: v0.10.0)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19b94adb204c96bce7d751dd222dda9c8c8f40e3d11da7d7f072a1ab91969c57
[INFO] running `Command { std: "docker" "start" "-a" "19b94adb204c96bce7d751dd222dda9c8c8f40e3d11da7d7f072a1ab91969c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b94adb204c96bce7d751dd222dda9c8c8f40e3d11da7d7f072a1ab91969c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b94adb204c96bce7d751dd222dda9c8c8f40e3d11da7d7f072a1ab91969c57", kill_on_drop: false }`
[INFO] [stdout] 19b94adb204c96bce7d751dd222dda9c8c8f40e3d11da7d7f072a1ab91969c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3c9805268865e269a00242045185dae515aeef659aec691c68744a0be730924
[INFO] running `Command { std: "docker" "start" "-a" "a3c9805268865e269a00242045185dae515aeef659aec691c68744a0be730924", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling snd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Noise`, `Square`, and `Triangle` are never constructed
[INFO] [stdout]   --> src/synthesizer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum VoiceKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 34 |     Noise,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     Triangle,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "a3c9805268865e269a00242045185dae515aeef659aec691c68744a0be730924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c9805268865e269a00242045185dae515aeef659aec691c68744a0be730924", kill_on_drop: false }`
[INFO] [stdout] a3c9805268865e269a00242045185dae515aeef659aec691c68744a0be730924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d70bec84b0b4971c9215becd847429706e82472558eed693d9357105ec8a3f
[INFO] running `Command { std: "docker" "start" "-a" "82d70bec84b0b4971c9215becd847429706e82472558eed693d9357105ec8a3f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling snd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Noise` and `Square` are never constructed
[INFO] [stdout]   --> src/synthesizer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum VoiceKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 34 |     Noise,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "82d70bec84b0b4971c9215becd847429706e82472558eed693d9357105ec8a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d70bec84b0b4971c9215becd847429706e82472558eed693d9357105ec8a3f", kill_on_drop: false }`
[INFO] [stdout] 82d70bec84b0b4971c9215becd847429706e82472558eed693d9357105ec8a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7dbfbaac18e2581f782516e80dbd803d0ebb31dd141e75cc826788bedc8cbfb
[INFO] running `Command { std: "docker" "start" "-a" "d7dbfbaac18e2581f782516e80dbd803d0ebb31dd141e75cc826788bedc8cbfb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: variants `Noise` and `Square` are never constructed
[INFO] [stderr]   --> src/synthesizer.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub enum VoiceKind {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] 34 |     Noise,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `snd` (bin "snd" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snd-3995af6f2be40bdd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test synthesizer::tests::triangle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7dbfbaac18e2581f782516e80dbd803d0ebb31dd141e75cc826788bedc8cbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dbfbaac18e2581f782516e80dbd803d0ebb31dd141e75cc826788bedc8cbfb", kill_on_drop: false }`
[INFO] [stdout] d7dbfbaac18e2581f782516e80dbd803d0ebb31dd141e75cc826788bedc8cbfb