[INFO] cloning repository https://github.com/audiodog301/rpidrums [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audiodog301/rpidrums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Frpidrums", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Frpidrums'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7077d389d454d58fb8152c5d7f04d4b96bb1b583 [INFO] checking audiodog301/rpidrums against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Frpidrums" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/audiodog301/rpidrums on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/audiodog301/rpidrums [INFO] finished tweaking git repo https://github.com/audiodog301/rpidrums [INFO] tweaked toml for git repo https://github.com/audiodog301/rpidrums written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/audiodog301/rpidrums 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndk-glue v0.4.0 [INFO] [stderr] Downloaded cpal v0.13.4 [INFO] [stderr] Downloaded num_enum_derive v0.5.6 [INFO] [stderr] Downloaded num_enum v0.5.6 [INFO] [stderr] Downloaded oboe v0.4.4 [INFO] [stderr] Downloaded libloading v0.7.2 [INFO] [stderr] Downloaded ndk v0.4.0 [INFO] [stderr] Downloaded clang-sys v1.3.0 [INFO] [stderr] Downloaded combine v4.6.2 [INFO] [stderr] Downloaded oboe-sys v0.4.4 [INFO] [stderr] Downloaded nix v0.20.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0757ed96b091cd9f87fdedabd28f2385059a9b8213d3922b14e84a356e9d8f48 [INFO] running `Command { std: "docker" "start" "-a" "0757ed96b091cd9f87fdedabd28f2385059a9b8213d3922b14e84a356e9d8f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0757ed96b091cd9f87fdedabd28f2385059a9b8213d3922b14e84a356e9d8f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0757ed96b091cd9f87fdedabd28f2385059a9b8213d3922b14e84a356e9d8f48", kill_on_drop: false }` [INFO] [stdout] 0757ed96b091cd9f87fdedabd28f2385059a9b8213d3922b14e84a356e9d8f48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 302b8c7780e70465e38ace9df1bfe5b2e9cfdb8a4cab3a00b6ef592d7843d201 [INFO] running `Command { std: "docker" "start" "-a" "302b8c7780e70465e38ace9df1bfe5b2e9cfdb8a4cab3a00b6ef592d7843d201", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling cpal v0.13.4 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking nix v0.20.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking alsa v0.5.0 [INFO] [stderr] Checking rpdidrums v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/dsp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/dsp.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 181 - buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] 181 + buffer.push((sample.unwrap() as f32) / (i32::MAX as f32)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/dsp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/dsp.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 181 - buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] 181 + buffer.push((sample.unwrap() as f32) / (i32::MAX as f32)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_format` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let sample_format = supported_config.sample_format(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sine` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_sine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | move |err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `phase`, `freq`, and `sample_rate` are never read [INFO] [stdout] --> src/dsp.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Sine { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | phase: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | freq: f32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_freq` and `process` are never used [INFO] [stdout] --> src/dsp.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Sine { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_freq(&mut self, freq: f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `osc` is never read [INFO] [stdout] --> src/dsp.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Kick { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 74 | osc: Sine, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Kick { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LPF` is never constructed [INFO] [stdout] --> src/dsp.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct LPF { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `process` are never used [INFO] [stdout] --> src/dsp.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 153 | impl LPF { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 154 | pub fn new(feedback: f32, cutoff: f32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | pub fn process(&mut self, input: f32) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buffer` is never read [INFO] [stdout] --> src/dsp.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 172 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 176 | impl Sampler { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | command_sender.send(Instruction::Kick); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = command_sender.send(Instruction::Kick); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | command_sender.send(Instruction::Sample); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = command_sender.send(Instruction::Sample); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_format` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let sample_format = supported_config.sample_format(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sine` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_sine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | move |err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `phase`, `freq`, and `sample_rate` are never read [INFO] [stdout] --> src/dsp.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Sine { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | phase: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | freq: f32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_freq` and `process` are never used [INFO] [stdout] --> src/dsp.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Sine { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_freq(&mut self, freq: f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `osc` is never read [INFO] [stdout] --> src/dsp.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Kick { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 74 | osc: Sine, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Kick { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LPF` is never constructed [INFO] [stdout] --> src/dsp.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct LPF { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `process` are never used [INFO] [stdout] --> src/dsp.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 153 | impl LPF { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 154 | pub fn new(feedback: f32, cutoff: f32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | pub fn process(&mut self, input: f32) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buffer` is never read [INFO] [stdout] --> src/dsp.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 172 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 176 | impl Sampler { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | command_sender.send(Instruction::Kick); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = command_sender.send(Instruction::Kick); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | command_sender.send(Instruction::Sample); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = command_sender.send(Instruction::Sample); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.94s [INFO] running `Command { std: "docker" "inspect" "302b8c7780e70465e38ace9df1bfe5b2e9cfdb8a4cab3a00b6ef592d7843d201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "302b8c7780e70465e38ace9df1bfe5b2e9cfdb8a4cab3a00b6ef592d7843d201", kill_on_drop: false }` [INFO] [stdout] 302b8c7780e70465e38ace9df1bfe5b2e9cfdb8a4cab3a00b6ef592d7843d201 [INFO] checking audiodog301/rpidrums against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Frpidrums" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/audiodog301/rpidrums on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/audiodog301/rpidrums [INFO] finished tweaking git repo https://github.com/audiodog301/rpidrums [INFO] tweaked toml for git repo https://github.com/audiodog301/rpidrums written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/audiodog301/rpidrums 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a410447abc7bd420745e517013e7377f36345d858a0869f3dcccf57cf6198e3f [INFO] running `Command { std: "docker" "start" "-a" "a410447abc7bd420745e517013e7377f36345d858a0869f3dcccf57cf6198e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a410447abc7bd420745e517013e7377f36345d858a0869f3dcccf57cf6198e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a410447abc7bd420745e517013e7377f36345d858a0869f3dcccf57cf6198e3f", kill_on_drop: false }` [INFO] [stdout] a410447abc7bd420745e517013e7377f36345d858a0869f3dcccf57cf6198e3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd9db4228400b5add89b2eb58d699baf330ca0a169ff25cb93ce06a395a33148 [INFO] running `Command { std: "docker" "start" "-a" "fd9db4228400b5add89b2eb58d699baf330ca0a169ff25cb93ce06a395a33148", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling cpal v0.13.4 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking nix v0.20.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking alsa v0.5.0 [INFO] [stderr] Checking rpdidrums v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/dsp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/dsp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/dsp.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 181 - buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] 181 + buffer.push((sample.unwrap() as f32) / (i32::MAX as f32)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/dsp.rs:181:25 [INFO] [stdout] | [INFO] [stdout] 181 | buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 181 - buffer.push(((sample.unwrap() as f32) / (i32::MAX as f32))) [INFO] [stdout] 181 + buffer.push((sample.unwrap() as f32) / (i32::MAX as f32)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_format` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let sample_format = supported_config.sample_format(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_format` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let sample_format = supported_config.sample_format(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sine` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_sine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | move |err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sine` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_sine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | move |err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut sine = Sine::new(250.0, sample_rate); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `phase`, `freq`, and `sample_rate` are never read [INFO] [stdout] --> src/dsp.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Sine { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | phase: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | freq: f32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_freq` and `process` are never used [INFO] [stdout] --> src/dsp.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Sine { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_freq(&mut self, freq: f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `osc` is never read [INFO] [stdout] --> src/dsp.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Kick { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 74 | osc: Sine, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Kick { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LPF` is never constructed [INFO] [stdout] --> src/dsp.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct LPF { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `process` are never used [INFO] [stdout] --> src/dsp.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 153 | impl LPF { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 154 | pub fn new(feedback: f32, cutoff: f32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | pub fn process(&mut self, input: f32) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buffer` is never read [INFO] [stdout] --> src/dsp.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 172 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 176 | impl Sampler { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `phase`, `freq`, and `sample_rate` are never read [INFO] [stdout] --> src/dsp.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Sine { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | phase: f32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | freq: f32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_freq` and `process` are never used [INFO] [stdout] --> src/dsp.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Sine { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_freq(&mut self, freq: f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `osc` is never read [INFO] [stdout] --> src/dsp.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Kick { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 74 | osc: Sine, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Kick { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LPF` is never constructed [INFO] [stdout] --> src/dsp.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct LPF { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | command_sender.send(Instruction::Kick); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = command_sender.send(Instruction::Kick); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `process` are never used [INFO] [stdout] --> src/dsp.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 153 | impl LPF { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 154 | pub fn new(feedback: f32, cutoff: f32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | pub fn process(&mut self, input: f32) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buffer` is never read [INFO] [stdout] --> src/dsp.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct Sampler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 172 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process` is never used [INFO] [stdout] --> src/dsp.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 176 | impl Sampler { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn process(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | command_sender.send(Instruction::Kick); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = command_sender.send(Instruction::Kick); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | command_sender.send(Instruction::Sample); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = command_sender.send(Instruction::Sample); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | command_sender.send(Instruction::Sample); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = command_sender.send(Instruction::Sample); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | command_sender.send(Instruction::Hat); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = command_sender.send(Instruction::Hat); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s [INFO] running `Command { std: "docker" "inspect" "fd9db4228400b5add89b2eb58d699baf330ca0a169ff25cb93ce06a395a33148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd9db4228400b5add89b2eb58d699baf330ca0a169ff25cb93ce06a395a33148", kill_on_drop: false }` [INFO] [stdout] fd9db4228400b5add89b2eb58d699baf330ca0a169ff25cb93ce06a395a33148