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[INFO] [stdout] 1436cf0f3f3831893159dff101ab933f9c0ddb38
[INFO] building tree3stan-chord/arco against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftree3stan-chord%2Farco" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tree3stan-chord/arco
[INFO] finished tweaking git repo https://github.com/tree3stan-chord/arco
[INFO] tweaked toml for git repo https://github.com/tree3stan-chord/arco written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tree3stan-chord/arco on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
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[INFO] crate git repo https://github.com/tree3stan-chord/arco already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling arco v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]    --> src/audio.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let sample_rate = config.sample_rate.0 as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sine_wave` is never used
[INFO] [stdout]    --> src/audio.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn test_sine_wave(frequency: f32) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_audio` is never used
[INFO] [stdout]    --> src/audio.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn run_audio<T>(device: &Device, config: &StreamConfig, frequency: f32) -> Result<()>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `duration` and `velocity` are never read
[INFO] [stdout]  --> src/sequencer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Note {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 5 |     pub frequency: f32,
[INFO] [stdout] 6 |     pub duration: f32,  // Duration in beats
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 7 |     pub velocity: f32,  // 0.0 to 1.0
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Note` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `tempo_bpm` are never read
[INFO] [stdout]   --> src/sequencer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Melody {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub tempo_bpm: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Melody` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_preset` is never used
[INFO] [stdout]   --> src/presets.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PresetBank {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn remove_preset(&mut self, name: &str) -> Option<Preset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.47s
[INFO] running `Command { std: "docker" "inspect" "44fc1a2c7b7d4eb6544e2cefd85cf174e2e5b397e49022500e80ea77752b0eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fc1a2c7b7d4eb6544e2cefd85cf174e2e5b397e49022500e80ea77752b0eb0", kill_on_drop: false }`
[INFO] [stdout] 44fc1a2c7b7d4eb6544e2cefd85cf174e2e5b397e49022500e80ea77752b0eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09aeb59841570a7bc42bd91b4df155521281a0e489cb5f2759dd0aa85b91f40
[INFO] running `Command { std: "docker" "start" "-a" "b09aeb59841570a7bc42bd91b4df155521281a0e489cb5f2759dd0aa85b91f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling arco v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]    --> src/audio.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let sample_rate = config.sample_rate.0 as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sine_wave` is never used
[INFO] [stdout]    --> src/audio.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn test_sine_wave(frequency: f32) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_audio` is never used
[INFO] [stdout]    --> src/audio.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn run_audio<T>(device: &Device, config: &StreamConfig, frequency: f32) -> Result<()>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `duration` and `velocity` are never read
[INFO] [stdout]  --> src/sequencer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Note {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 5 |     pub frequency: f32,
[INFO] [stdout] 6 |     pub duration: f32,  // Duration in beats
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 7 |     pub velocity: f32,  // 0.0 to 1.0
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Note` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `tempo_bpm` are never read
[INFO] [stdout]   --> src/sequencer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Melody {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub tempo_bpm: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Melody` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_preset` is never used
[INFO] [stdout]   --> src/presets.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PresetBank {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn remove_preset(&mut self, name: &str) -> Option<Preset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b09aeb59841570a7bc42bd91b4df155521281a0e489cb5f2759dd0aa85b91f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09aeb59841570a7bc42bd91b4df155521281a0e489cb5f2759dd0aa85b91f40", kill_on_drop: false }`
[INFO] [stdout] b09aeb59841570a7bc42bd91b4df155521281a0e489cb5f2759dd0aa85b91f40
