[INFO] updating cached repository https://github.com/isidornygren/ogaboga
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 075c3370c5e3d110af9b6ba44b50cb852ab1068f
[INFO] checking isidornygren/ogaboga against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fogaboga" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isidornygren/ogaboga on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/isidornygren/ogaboga
[INFO] finished tweaking git repo https://github.com/isidornygren/ogaboga
[INFO] tweaked toml for git repo https://github.com/isidornygren/ogaboga written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/isidornygren/ogaboga already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78f63371e79d05e61bb5a96b4f44891738e86eb85879778f1d3e97a2a431257b
[INFO] running `"docker" "start" "-a" "78f63371e79d05e61bb5a96b4f44891738e86eb85879778f1d3e97a2a431257b"`
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking ogaboga v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/sequencer/mod.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/sequencer/generator.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 if (is_half_step) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::effects::Effect`
[INFO] [stderr]  --> src/voice.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::effects::Effect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WaveForm`
[INFO] [stderr]  --> src/voice.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::wave_generator::{WaveBox, WaveForm, WaveGenerator};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/voice_pool.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     _ => return,
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]  --> src/sequencer/generator.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn generate_half_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]   |                                  ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]  --> src/sequencer/generator.rs:7:45
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn generate_half_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]   |                                                ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/sequencer/generator.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn generate_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/sequencer/generator.rs:136:40
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn generate_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]     |                                           ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/effects.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(diffuser: f32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/voice_pool.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         event_loop.play_stream(stream_id);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/sequencer/mod.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/sequencer/generator.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 if (is_half_step) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::effects::Effect`
[INFO] [stderr]  --> src/voice.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::effects::Effect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WaveForm`
[INFO] [stderr]  --> src/voice.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::wave_generator::{WaveBox, WaveForm, WaveGenerator};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/voice_pool.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     _ => return,
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]  --> src/sequencer/generator.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn generate_half_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]   |                                  ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]  --> src/sequencer/generator.rs:7:45
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn generate_half_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]   |                                                ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/sequencer/generator.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn generate_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/sequencer/generator.rs:136:40
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn generate_step(&self, index: usize, len: usize) -> SequenceStep {
[INFO] [stderr]     |                                           ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/effects.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(diffuser: f32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/voice_pool.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         event_loop.play_stream(stream_id);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `sawtooth_wave`, `square_wave`
[INFO] [stderr]  --> examples/random.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ogaboga::waveforms::{sawtooth_wave, square_wave, triangle_wave};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> examples/random.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> examples/random.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `one_bit_noise`, `sawtooth_wave`, `white_noise`
[INFO] [stderr]  --> examples/drum_machine.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     waveforms::{freq_noise, one_bit_noise, sawtooth_wave, square_wave, triangle_wave, white_noise},
[INFO] [stderr]   |                             ^^^^^^^^^^^^^  ^^^^^^^^^^^^^                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> examples/drum_machine.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]   --> examples/drum_machine.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::{thread, time};
[INFO] [stderr]    |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `"docker" "inspect" "78f63371e79d05e61bb5a96b4f44891738e86eb85879778f1d3e97a2a431257b"`
[INFO] running `"docker" "rm" "-f" "78f63371e79d05e61bb5a96b4f44891738e86eb85879778f1d3e97a2a431257b"`
[INFO] [stdout] 78f63371e79d05e61bb5a96b4f44891738e86eb85879778f1d3e97a2a431257b