[INFO] cloning repository https://github.com/isidornygren/ogaboga
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isidornygren/ogaboga" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fogaboga", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fogaboga'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cfd62351f13660d8c8e14c9ce23fd769ac7fd45
[INFO] checking isidornygren/ogaboga against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fogaboga" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isidornygren/ogaboga on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-81/source/Cargo.toml
[INFO] crate git repo https://github.com/isidornygren/ogaboga already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96d844b523a16bd1cddc51376da02c876f788ce3c8efe83dc7de98be40586066
[INFO] running `Command { std: "docker" "start" "-a" "96d844b523a16bd1cddc51376da02c876f788ce3c8efe83dc7de98be40586066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96d844b523a16bd1cddc51376da02c876f788ce3c8efe83dc7de98be40586066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d844b523a16bd1cddc51376da02c876f788ce3c8efe83dc7de98be40586066", kill_on_drop: false }`
[INFO] [stdout] 96d844b523a16bd1cddc51376da02c876f788ce3c8efe83dc7de98be40586066
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01c85e16373543adb02818fc8651c27862a68866d578a5ecc045450dc0e7a233
[INFO] running `Command { std: "docker" "start" "-a" "01c85e16373543adb02818fc8651c27862a68866d578a5ecc045450dc0e7a233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking ogaboga v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/sequencer/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/sequencer/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wave_generator::WaveGenerator`
[INFO] [stdout]  --> src/sequencer/generator.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 |    wave_generator::WaveGenerator,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wave_generator::WaveGenerator`
[INFO] [stdout]  --> src/sequencer/generator.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 |    wave_generator::WaveGenerator,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/voice_pool.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |                _ => return,
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/voice_pool.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |                _ => return,
[INFO] [stdout]    |                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/effects.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn new(diffuser: f32) -> Self {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Db_MINOR` should have an upper case name
[INFO] [stdout]   --> src/scale/mod.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const Db_MINOR: [Note; 7] = [
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `DB_MINOR`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/voice_pool.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |       event_loop.play_stream(stream_id);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/effects.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn new(diffuser: f32) -> Self {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Db_MINOR` should have an upper case name
[INFO] [stdout]   --> src/scale/mod.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const Db_MINOR: [Note; 7] = [
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `DB_MINOR`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/voice_pool.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |       event_loop.play_stream(stream_id);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sawtooth_wave`, `square_wave`
[INFO] [stdout]  --> examples/random.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |    waveforms::{sawtooth_wave, square_wave, triangle_wave},
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> examples/random.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> examples/random.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TuneGenerator`, `one_bit_noise`, `scale::C_MAJOR`, `square_wave`, `white_noise`
[INFO] [stdout]   --> examples/drum_machine.rs:5:4
[INFO] [stdout]    |
[INFO] [stdout] 5  |    scale::C_MAJOR,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 6  |    sequencer::{
[INFO] [stdout] 7  |       generator::{BeatGenerator, SequenceGenerator, TuneGenerator},
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |    waveforms::{freq_noise, one_bit_noise, sawtooth_wave, square_wave, triangle_wave, white_noise},
[INFO] [stdout]    |                            ^^^^^^^^^^^^^                 ^^^^^^^^^^^                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> examples/drum_machine.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]   --> examples/drum_machine.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.96s
[INFO] running `Command { std: "docker" "inspect" "01c85e16373543adb02818fc8651c27862a68866d578a5ecc045450dc0e7a233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c85e16373543adb02818fc8651c27862a68866d578a5ecc045450dc0e7a233", kill_on_drop: false }`
[INFO] [stdout] 01c85e16373543adb02818fc8651c27862a68866d578a5ecc045450dc0e7a233