Dec 04 12:59:30.632 INFO checking nutcase84/piano against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:59:30.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 12:59:31.187 INFO [stdout] 74ff9a1b93a8f2b960351817ba98e44739ddb398971341b5d112f688860e2e4e
Dec 04 12:59:31.195 INFO running `"docker" "start" "-a" "74ff9a1b93a8f2b960351817ba98e44739ddb398971341b5d112f688860e2e4e"`
Dec 04 12:59:32.252 INFO [stderr] usermod: no changes
Dec 04 12:59:32.363 INFO [stderr]     Checking rand v0.5.5
Dec 04 12:59:32.367 INFO [stderr]     Checking vst v0.0.1
Dec 04 12:59:34.631 INFO [stderr]     Checking piano v0.1.0 (/source)
Dec 04 12:59:35.315 INFO [stderr] warning: variable `active_notes` is assigned to, but never used
Dec 04 12:59:35.315 INFO [stderr]   --> src/event.rs:34:10
Dec 04 12:59:35.315 INFO [stderr]    |
Dec 04 12:59:35.315 INFO [stderr] 34 |     let mut active_notes = 0; // could be useful later
Dec 04 12:59:35.315 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 04 12:59:35.315 INFO [stderr]    |
Dec 04 12:59:35.315 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:59:35.315 INFO [stderr]    = note: consider using `_active_notes` instead
Dec 04 12:59:35.315 INFO [stderr] 
Dec 04 12:59:35.315 INFO [stderr] warning: unused variable: `i`
Dec 04 12:59:35.315 INFO [stderr]   --> src/filter.rs:54:7
Dec 04 12:59:35.315 INFO [stderr]    |
Dec 04 12:59:35.315 INFO [stderr] 54 |         for i in 0..buffer_size {
Dec 04 12:59:35.315 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 04 12:59:35.315 INFO [stderr] 
Dec 04 12:59:35.343 INFO [stderr] warning: function is never used: `hammer`
Dec 04 12:59:35.343 INFO [stderr]  --> src/hammer.rs:4:1
Dec 04 12:59:35.343 INFO [stderr]   |
Dec 04 12:59:35.343 INFO [stderr] 4 | pub fn hammer(string: &mut Waveguide, stiffness: f32, size: usize, velocity: f32, position: usize, time: f32) {
Dec 04 12:59:35.343 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.343 INFO [stderr]   |
Dec 04 12:59:35.343 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 12:59:35.343 INFO [stderr] 
Dec 04 12:59:35.343 INFO [stderr] warning: struct is never constructed: `IntegerAllPass`
Dec 04 12:59:35.343 INFO [stderr]  --> src/filter.rs:3:1
Dec 04 12:59:35.343 INFO [stderr]   |
Dec 04 12:59:35.343 INFO [stderr] 3 | pub struct IntegerAllPass { // Generic integer-delay allpass
Dec 04 12:59:35.343 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.343 INFO [stderr] 
Dec 04 12:59:35.343 INFO [stderr] warning: method is never used: `new`
Dec 04 12:59:35.343 INFO [stderr]   --> src/filter.rs:10:2
Dec 04 12:59:35.343 INFO [stderr]    |
Dec 04 12:59:35.343 INFO [stderr] 10 |     pub fn new(gain: f32, size: usize) -> Self {
Dec 04 12:59:35.343 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.343 INFO [stderr] 
Dec 04 12:59:35.343 INFO [stderr] warning: method is never used: `update`
Dec 04 12:59:35.343 INFO [stderr]   --> src/filter.rs:18:2
Dec 04 12:59:35.343 INFO [stderr]    |
Dec 04 12:59:35.343 INFO [stderr] 18 |     pub fn update(&mut self, input: f32) -> f32 {
Dec 04 12:59:35.343 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.343 INFO [stderr] 
Dec 04 12:59:35.407 INFO [stderr] warning: variable `active_notes` is assigned to, but never used
Dec 04 12:59:35.407 INFO [stderr]   --> src/event.rs:34:10
Dec 04 12:59:35.407 INFO [stderr]    |
Dec 04 12:59:35.407 INFO [stderr] 34 |     let mut active_notes = 0; // could be useful later
Dec 04 12:59:35.407 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 04 12:59:35.407 INFO [stderr]    |
Dec 04 12:59:35.407 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:59:35.407 INFO [stderr]    = note: consider using `_active_notes` instead
Dec 04 12:59:35.407 INFO [stderr] 
Dec 04 12:59:35.407 INFO [stderr] warning: unused variable: `i`
Dec 04 12:59:35.407 INFO [stderr]   --> src/filter.rs:54:7
Dec 04 12:59:35.407 INFO [stderr]    |
Dec 04 12:59:35.407 INFO [stderr] 54 |         for i in 0..buffer_size {
Dec 04 12:59:35.407 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 04 12:59:35.407 INFO [stderr] 
Dec 04 12:59:35.443 INFO [stderr] warning: function is never used: `hammer`
Dec 04 12:59:35.443 INFO [stderr]  --> src/hammer.rs:4:1
Dec 04 12:59:35.443 INFO [stderr]   |
Dec 04 12:59:35.443 INFO [stderr] 4 | pub fn hammer(string: &mut Waveguide, stiffness: f32, size: usize, velocity: f32, position: usize, time: f32) {
Dec 04 12:59:35.443 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.443 INFO [stderr]   |
Dec 04 12:59:35.443 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 12:59:35.443 INFO [stderr] 
Dec 04 12:59:35.443 INFO [stderr] warning: struct is never constructed: `IntegerAllPass`
Dec 04 12:59:35.443 INFO [stderr]  --> src/filter.rs:3:1
Dec 04 12:59:35.443 INFO [stderr]   |
Dec 04 12:59:35.443 INFO [stderr] 3 | pub struct IntegerAllPass { // Generic integer-delay allpass
Dec 04 12:59:35.443 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.443 INFO [stderr] 
Dec 04 12:59:35.443 INFO [stderr] warning: method is never used: `new`
Dec 04 12:59:35.443 INFO [stderr]   --> src/filter.rs:10:2
Dec 04 12:59:35.443 INFO [stderr]    |
Dec 04 12:59:35.443 INFO [stderr] 10 |     pub fn new(gain: f32, size: usize) -> Self {
Dec 04 12:59:35.443 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.443 INFO [stderr] 
Dec 04 12:59:35.443 INFO [stderr] warning: method is never used: `update`
Dec 04 12:59:35.443 INFO [stderr]   --> src/filter.rs:18:2
Dec 04 12:59:35.443 INFO [stderr]    |
Dec 04 12:59:35.443 INFO [stderr] 18 |     pub fn update(&mut self, input: f32) -> f32 {
Dec 04 12:59:35.443 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:59:35.443 INFO [stderr] 
Dec 04 12:59:35.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Dec 04 12:59:35.499 INFO [stderr] su: No module specific data is present
Dec 04 12:59:36.307 INFO running `"docker" "inspect" "74ff9a1b93a8f2b960351817ba98e44739ddb398971341b5d112f688860e2e4e"`
Dec 04 12:59:36.596 INFO running `"docker" "rm" "-f" "74ff9a1b93a8f2b960351817ba98e44739ddb398971341b5d112f688860e2e4e"`
Dec 04 12:59:36.879 INFO [stdout] 74ff9a1b93a8f2b960351817ba98e44739ddb398971341b5d112f688860e2e4e