[INFO] cloning repository https://github.com/wrbs/software-synth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrbs/software-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrbs%2Fsoftware-synth"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrbs%2Fsoftware-synth'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f11ea90fc623d6aed31afa4afaac01434b09f3c
[INFO] testing wrbs/software-synth against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrbs%2Fsoftware-synth" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrbs/software-synth on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wrbs/software-synth
[INFO] finished tweaking git repo https://github.com/wrbs/software-synth
[INFO] tweaked toml for git repo https://github.com/wrbs/software-synth written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wrbs/software-synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 8c669c4bb7e76adfbc2a43c903e3dd451503d1224ad4cbaa48cd716ae9eea0fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8c669c4bb7e76adfbc2a43c903e3dd451503d1224ad4cbaa48cd716ae9eea0fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cpal v0.11.0 (https://github.com/RustAudio/cpal#f3e7c462)
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1 (https://github.com/RustAudio/cpal#f3e7c462)
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling ghakuf v0.5.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling software-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]  --> src/synth/instrument.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::random;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/synth/mod.rs:117:56
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     self.channel_volumes[c as usize] = (volume as f32 / 127.0)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/ui.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `channel`
[INFO] [stderr]  --> src/midi_file_reader.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                       ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/midi_file_reader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/midi_file_reader.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/midi_file_reader.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/main.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::messages::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ghakuf::messages::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::reader::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ghakuf::reader::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/synth/mod.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Some((t, m)) = todo_stack.last() {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]   --> src/synth/instrument.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/synth/instrument.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/synth/instrument.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/synth/instrument.rs:194:37
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lfo`
[INFO] [stderr]  --> src/synth/osc.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lfo(f: f32, t: f32, val: f32) -> f32 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.89s
[INFO] running `"docker" "inspect" "8c669c4bb7e76adfbc2a43c903e3dd451503d1224ad4cbaa48cd716ae9eea0fb"`
[INFO] running `"docker" "rm" "-f" "8c669c4bb7e76adfbc2a43c903e3dd451503d1224ad4cbaa48cd716ae9eea0fb"`
[INFO] [stdout] 8c669c4bb7e76adfbc2a43c903e3dd451503d1224ad4cbaa48cd716ae9eea0fb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee31f70edf816616365b565ae4d3eb1670324570d0b2895568fe7b0f96029189
[INFO] running `"docker" "start" "-a" "ee31f70edf816616365b565ae4d3eb1670324570d0b2895568fe7b0f96029189"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling software-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]  --> src/synth/instrument.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::random;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/synth/mod.rs:117:56
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     self.channel_volumes[c as usize] = (volume as f32 / 127.0)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/ui.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `channel`
[INFO] [stderr]  --> src/midi_file_reader.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                       ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/midi_file_reader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/midi_file_reader.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/midi_file_reader.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/main.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::messages::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ghakuf::messages::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::reader::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ghakuf::reader::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/synth/mod.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Some((t, m)) = todo_stack.last() {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]   --> src/synth/instrument.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/synth/instrument.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/synth/instrument.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/synth/instrument.rs:194:37
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lfo`
[INFO] [stderr]  --> src/synth/osc.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lfo(f: f32, t: f32, val: f32) -> f32 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "ee31f70edf816616365b565ae4d3eb1670324570d0b2895568fe7b0f96029189"`
[INFO] running `"docker" "rm" "-f" "ee31f70edf816616365b565ae4d3eb1670324570d0b2895568fe7b0f96029189"`
[INFO] [stdout] ee31f70edf816616365b565ae4d3eb1670324570d0b2895568fe7b0f96029189
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e605a2787dcf45af6b82fe91269ce70b27e87f330a1d0906917f5f2e202ea367
[INFO] running `"docker" "start" "-a" "e605a2787dcf45af6b82fe91269ce70b27e87f330a1d0906917f5f2e202ea367"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stdout] 
[INFO] [stderr]  --> src/synth/instrument.rs:3:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | use rand::random;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/synth/mod.rs:117:56
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     self.channel_volumes[c as usize] = (volume as f32 / 127.0)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/ui.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `channel`
[INFO] [stderr]  --> src/midi_file_reader.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                       ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/midi_file_reader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/midi_file_reader.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/midi_file_reader.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/main.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::messages::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ghakuf::messages::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ghakuf::reader::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ghakuf::reader::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/synth/mod.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Some((t, m)) = todo_stack.last() {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]   --> src/synth/instrument.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/synth/instrument.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_sample(&self, note: &Note, time: f32) -> Option<f32> {
[INFO] [stderr]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `freq`
[INFO] [stderr]    --> src/synth/instrument.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/synth/instrument.rs:194:37
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn get_sample(&self, freq: f32, time: f32) -> f32 {
[INFO] [stderr]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lfo`
[INFO] [stderr]  --> src/synth/osc.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lfo(f: f32, t: f32, val: f32) -> f32 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/software_synth-107c1e5ea72a349a
[INFO] running `"docker" "inspect" "e605a2787dcf45af6b82fe91269ce70b27e87f330a1d0906917f5f2e202ea367"`
[INFO] running `"docker" "rm" "-f" "e605a2787dcf45af6b82fe91269ce70b27e87f330a1d0906917f5f2e202ea367"`
[INFO] [stdout] e605a2787dcf45af6b82fe91269ce70b27e87f330a1d0906917f5f2e202ea367