[INFO] cloning repository https://github.com/Wint3rmute/libretakt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wint3rmute/libretakt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Flibretakt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Flibretakt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91953bc76b3ab71fe23f1a03d557c8045beec644
[INFO] checking Wint3rmute/libretakt against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Flibretakt" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wint3rmute/libretakt on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wint3rmute/libretakt
[INFO] finished tweaking git repo https://github.com/Wint3rmute/libretakt
[INFO] tweaked toml for git repo https://github.com/Wint3rmute/libretakt written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Wint3rmute/libretakt 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1564195324c1cda2481d0315b14bbbe5e003218f297141eb0cc9bcaee9e11b08
[INFO] running `Command { std: "docker" "start" "-a" "1564195324c1cda2481d0315b14bbbe5e003218f297141eb0cc9bcaee9e11b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1564195324c1cda2481d0315b14bbbe5e003218f297141eb0cc9bcaee9e11b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1564195324c1cda2481d0315b14bbbe5e003218f297141eb0cc9bcaee9e11b08", kill_on_drop: false }`
[INFO] [stdout] 1564195324c1cda2481d0315b14bbbe5e003218f297141eb0cc9bcaee9e11b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ee58d203103ea256f1887f9fe0721778e3b28b76b809a0f7d6324999732ded
[INFO] running `Command { std: "docker" "start" "-a" "28ee58d203103ea256f1887f9fe0721778e3b28b76b809a0f7d6324999732ded", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/engine/core.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CurrentStepData`, `SynchronisationController`
[INFO] [stdout]  --> src/persistence.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::sequencer::{CurrentStepData, Sequencer, SynchronisationController, Track};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NUM_OF_VOICES`
[INFO] [stdout]   --> src/sequencer.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::constants::{self, NUM_OF_VOICES};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/engine/core.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CurrentStepData`, `SynchronisationController`
[INFO] [stdout]  --> src/persistence.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::sequencer::{CurrentStepData, Sequencer, SynchronisationController, Track};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NUM_OF_VOICES`
[INFO] [stdout]   --> src/sequencer.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::constants::{self, NUM_OF_VOICES};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_raw`
[INFO] [stdout]    --> src/engine/core.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let sample_raw =
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_raw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_raw`
[INFO] [stdout]    --> src/engine/core.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let sample_raw =
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_raw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_ladder_nonlinear` is never used
[INFO] [stdout]    --> src/engine/ladder_filter.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl LadderFilter {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn run_ladder_nonlinear(&mut self, input: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_ladder_nonlinear` is never used
[INFO] [stdout]    --> src/engine/ladder_filter.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl LadderFilter {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn run_ladder_nonlinear(&mut self, input: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `save_project`
[INFO] [stdout]  --> src/main.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use libretakt::persistence::{load_project, save_project};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `save_project`
[INFO] [stdout]  --> src/main.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use libretakt::persistence::{load_project, save_project};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OutputStream`, `Sink`
[INFO] [stdout]  --> examples/sample_stream.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rodio::{OutputStream, Sink};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracks`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let tracks = load_project();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let provider = Arc::new(SampleProvider::default());
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracks`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let tracks = load_project();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let provider = Arc::new(SampleProvider::default());
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/sample_stream.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |     while let Some(mut sample) = source.next() {
[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: unused `Result` that must be used
[INFO] [stdout]   --> examples/sample_stream.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         stdout.write_all(&sample.to_le_bytes());
[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] 74 |         let _ = stdout.write_all(&sample.to_le_bytes());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "28ee58d203103ea256f1887f9fe0721778e3b28b76b809a0f7d6324999732ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ee58d203103ea256f1887f9fe0721778e3b28b76b809a0f7d6324999732ded", kill_on_drop: false }`
[INFO] [stdout] 28ee58d203103ea256f1887f9fe0721778e3b28b76b809a0f7d6324999732ded
