[INFO] cloning repository https://github.com/taellinglin/lingyue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taellinglin/lingyue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaellinglin%2Flingyue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaellinglin%2Flingyue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b643328f5076936e5a8caefe0f465d9c6894cb7
[INFO] checking taellinglin/lingyue against master#9136560d32440cc7cc0ab78353054c90648c070c for pr-116284
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaellinglin%2Flingyue" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taellinglin/lingyue on toolchain 9136560d32440cc7cc0ab78353054c90648c070c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9136560d32440cc7cc0ab78353054c90648c070c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taellinglin/lingyue
[INFO] finished tweaking git repo https://github.com/taellinglin/lingyue
[INFO] tweaked toml for git repo https://github.com/taellinglin/lingyue written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/taellinglin/lingyue 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" "+9136560d32440cc7cc0ab78353054c90648c070c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded rtaudio v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+9136560d32440cc7cc0ab78353054c90648c070c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d009ba2cacf6c5babcdaa6fb1fb19340f377de26bd0e9cc97e2e317746a9c02
[INFO] running `Command { std: "docker" "start" "-a" "8d009ba2cacf6c5babcdaa6fb1fb19340f377de26bd0e9cc97e2e317746a9c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d009ba2cacf6c5babcdaa6fb1fb19340f377de26bd0e9cc97e2e317746a9c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d009ba2cacf6c5babcdaa6fb1fb19340f377de26bd0e9cc97e2e317746a9c02", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+9136560d32440cc7cc0ab78353054c90648c070c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e9c143198b83cd943fecca27a54300d448aff3a20063b435557b8caf49ea01d9", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `out_device_info`
[INFO] [stdout]   --> src/engine/audio.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let out_device_info = host.get_device_info_by_id(out_device.id).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_device_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_device_info`
[INFO] [stdout]   --> src/engine/audio.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let out_device_info = host.get_device_info_by_id(out_device.id).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_device_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `phasor_inc_a` is never read
[INFO] [stdout]   --> src/engine/audio.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         phasor_inc_a = 2.0 * PI * (110.0 + frequency) / sample_rate as f32;
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `phasor_inc_b` is never read
[INFO] [stdout]   --> src/engine/audio.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         phasor_inc_b = 2.0 * PI * (110.0 + frequency) / sample_rate as f32;
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `phasor_inc_a` is never read
[INFO] [stdout]   --> src/engine/audio.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         phasor_inc_a = 2.0 * PI * (110.0 + frequency) / sample_rate as f32;
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `phasor_inc_b` is never read
[INFO] [stdout]   --> src/engine/audio.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         phasor_inc_b = 2.0 * PI * (110.0 + frequency) / sample_rate as f32;
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_mutex` is never read
[INFO] [stdout]   --> src/engine/audio.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct AudioEngine {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     error_rx: Receiver<RtAudioError>,
[INFO] [stdout] 11 |     stream_mutex: Arc<Mutex<Stream>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream_mutex` is never read
[INFO] [stdout]   --> src/engine/audio.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct AudioEngine {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     error_rx: Receiver<RtAudioError>,
[INFO] [stdout] 11 |     stream_mutex: Arc<Mutex<Stream>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.21s
[INFO] running `Command { std: "docker" "inspect" "e9c143198b83cd943fecca27a54300d448aff3a20063b435557b8caf49ea01d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c143198b83cd943fecca27a54300d448aff3a20063b435557b8caf49ea01d9", kill_on_drop: false }`
[INFO] [stdout] e9c143198b83cd943fecca27a54300d448aff3a20063b435557b8caf49ea01d9